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1	Agriculture	ABS-268
Strategy for Development of Chili Agroindustri Products as Food Sovereignty Support in Daerah Istimewa Yogyakarta Dwi Aulia Puspitaningrum 1, MM Azimatun Nur 2 , Budi Widayanto 3 Agribusiness Department, Faculty of Agriculture UPN Veteran Yogyakarta, Indonesia(1,3) Chemical Engineering Department, Faculty of Industrial Engineering UPN Veteran Yogyakarta (2) Abstract ABSTRACT This study investigates the internal and external factors affecting the chili agroindustry in Daerah Istimewa Yogyakarta (DIY), Indonesia-a key economic product that influences the region^s socio-economic welfare from production to distribution. Despite various management strategies, the chili agroindustry faces recurring challenges such as price fluctuations, supply chain inefficiencies, sustainability issues, and market structure instability. The research aims to identify critical factors influencing this industry and develop strategic solutions to enhance its performance. Utilizing a descriptive case study approach, data were collected through Focus Group Discussions (FGD), interviews, observations, and records, and analyzed using Internal Factor Evaluation (IFE), External Factor Evaluation (EFE), the Internal-External (IE) Matrix, SWOT analysis, and the Quantitative Strategic Planning Matrix (QSPM). The findings reveal that with an EFE score of 2.97 and an IFE score of 3.10, the chili agroindustry falls into the ^grow and build^ category on the IE matrix, suggesting intensive strategies like market penetration and integration strategies, particularly backward integration, as the most effective for improving the chili agroindustry in DIY. Keywords: Chili Agroindustri, strategy, External Factor, Internal Factor, Intensive, Integration. Keywords: Chili Agroindustri, strategy, External Factor, Internal Factor, Intensive, Integration. Share Link | Plain Format | Corresponding Author (Dwi Aulia Puspitaningrum)

2	Agriculture	ABS-269
Adoption Of Integrated Farming Through Organic Waste Processing: The Role Of Knowledge, Attitude And Sustainability Commitment Siwi Hardiastuti Endang Kawuryan, Dyah Sugandini, Didi Saidi, Muktiarya Yodhatama, Trisna Adisti Universitas Pembangunan Nasional ^Veteran^ Yogyakarta Abstract This study analyses the integrated farming system adoption model, which is influenced by knowledge, attitude, and commitment to sustainability. The object of this study is the integrated farming system carried out by farmers in Sleman Regency. Respondents in this study were farmers who had implemented an integrative framing system in their agricultural practices. Farmers in Sleman generally grow rice and vegetables. In Sleman, farmers primarily cultivate vegetables and grains. Most of these farmers work in rice fields they inherited from their parents, and they own less than one hectare of land. To collect data for this study, questionnaires are distributed as part of a respondent survey procedure. Purposive sampling is the method used for sampling. Sleman Regency, Special Region of Yogyakarta, Indonesia, was home to 100 farmers whose responses were effectively gathered for data analysis. PLS-SEM was the data analysis method employed. The data analysis^s conclusions demonstrated the validity and dependability of the instruments utilized. The adoption paradigm of IFS is appropriate and suitable. Knowledge and mindset impact the adoption of IFS. Adoption of the IFS is positively impacted by sustainability commitment. Keywords: knowledge, attitude, commitment to sustainability, adoption of integrative farming system Share Link | Plain Format | Corresponding Author (Dyah Sugandini)

3	Agriculture	ABS-31
The effect of accession differences of sacha inchi (Plukenetia volubilis L.) seeds M. Fauzan F. Al Hamdi, Maftuh Kafiya, Darban Haryanto, Irham Maulana UPN Veteran Yogyakarta Abstract Sacha inchi (Plukenetia volubilis) is a plant originating from South America that can be processed into sacha inchi oil. Sacha inchi oil contains eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) which have positive impacts on human health. This study aimed to determine the effect of seed storage time on sacha inchi seed germination. The study was conducted in the experimental field of the Agrotechnology Study Program, UPN Veteran Yogyakarta from July 1 to August 31, 2024. The design used was a Completely Randomized Block Design with one factor and three replications. The factor was the accessions consisted of 3 accessions: Bogor, Cimahi and Lampung. The results of observations showed that seeds from Cimahi accessions had the highest germination percentage (16%) and germination speed (0.75 %/etmal), while seeds from Lampung accessions had the lowest germination percentage (0%) and germination speed (0%/etmal). The results of the tetrazolium test showed that seeds from Cimahi showed respiration activity in their embryos which was marked by the appearance of a red color, seeds from Bogor showed a red color on almost the entire surface, while seeds from Lampung showed the faintest red color among the others. Sacha inchi seeds are thought to have a dormancy phase of 2 months after being harvested. Keywords: embryo, germination percentage, germination speed, sacha inchi, tetrazolium test Share Link | Plain Format | Corresponding Author (Muhammad Fauzan Farid Al Hamdi)

4	Agriculture	ABS-32
Consumer Purchasing Decision towards eggs in Yogyakarta Province Dhika Cahyasita (a), Dinda Dewi Aisyah (a*), Mochamad Mussoddaq (b), Putri Indah Ariyani (a), Ribet Kusandy (a), Erlangga Java Fanboy (a) a) Agribusiness Department, Faculty of Agriculture, UPN Veteran Yogyakarta, Jl. SWK Jl. Ring Road Utara No.104, Depok, Sleman, Indonesia 55283 b) Environmental Engineering, Faculty of Mineral Technology, UPN Veteran Yogyakarta, Jl. SWK Jl. Ring Road Utara No.104, Depok, Sleman, Indonesia 55283 Abstract Affordable food that has accessibility to the community is an essential need. Especially for people who live in areas with relatively low minimum wages such as the province of Yogyakarta. This study aims to see consumer decisions on purchasing eggs in the Special Region of Yogyakarta Province. Primary data from a total of 100 respondents spread across Kulon Progo, Sleman, Bantul, Gunung Kidul and Yogyakarta City were collected through interviews based on structured questionnaires. The data analysis applied in this study uses descriptive statistics. The results of the analysis show a tendency for consumers to buy eggs as a side dish with rice as the main motivation in purchasing eggs. In addition, the attributes most considered by consumers in purchasing eggs are the price and type of eggs which are only distinguished between broiler chicken eggs and kampung chicken eggs. Post-purchase evaluation of eggs shows that most consumers are satisfied with their purchases so far. Keywords: consumer behaviour- decision making- chicken egg- food Share Link | Plain Format | Corresponding Author (Dinda Dewi Aisyah)

5	Agriculture	ABS-38
Analysis on Product Quality of Brie Cheese using Six Sigma Maftuh Kafiya, Liana Fatma Leslie Pratiwi, Indah Kartika Sandhi UPN Veteran Yogyakarta Abstract The study aimed to determine the sigma value in the quality control of brie cheese, identify the factors that caused defective products and minimize defective products to improve the quality of production process. This research used Six Sigma method based on the define, measure, improve, control (DMAIC) approach. The data collection is carried out by observation and interviews. The type of defect in brie cheese that was observed is growth percentage of fungi in the cover of brie cheese under 80%, the colour tendency to dark yellow, and the crumbly texture. The factors that cause defects in brie cheese are the temperature and RH which are not optimal in the cooking environment. The proposed advice is that producers must create an optimal temperature and RH environment when the aging takes place, especially at the age of 1 week. Moreover, checking the temperature and RH of the cleaning environment needs to be carried out regularly by the production team. Keywords: brie cheese, defect product, quality control Share Link | Plain Format | Corresponding Author (Maftuh Kafiya)

6	Agriculture	ABS-47
Genetic Analysis of Cayenne Pepper M1 Population from Gamma Irradiation Treatment Based on Generative Characters Rima Margareta Retnyo Gumelar (a*), Amalia Nurul Huda (a), Nailan Nabila (a), Ratih Setyowati (a), Lilis Yuliana (a), Twicsar Layuklinggi (a) a)Faculty of Agriculture, UPN Veteran Yogyakarta, Indonesia *rima.margareta[at]upnyk.ac.id Abstract Genetic variability is the basic for developing new improved varieties. Genetic variability can be increased through mutation techniques. The aim of this study was to analyze the genetic diversity of the M1 cayenne pepper population resulting from gamma-ray irradiation based on generative characters. The genetic analysis carried out involved estimating genetic variability and broad-sense heritability. The research was conducted in the experimental field of of the Agrotechnology Study Program, UPN Veteran Yogyakarta, using 148 mutant genotypes (M1) and three comparison varieties. The experimental design used was an Augmented Design. The results show that the characteristics number of fruit per plant, fruit weight per plant, weight per fruit, stalk length, fruit diameter, thick fruit had broad genetic variability and a high broad-sense heritability. Keywords: Mutation- genetic variability- cayenne pepper Share Link | Plain Format | Corresponding Author (Rima Margareta Retnyo Gumelar)

7	Agriculture	ABS-52
Clustering Melon based on Fruit Quality in Lines Development Amalia Nurul Huda (a*), Ardela Nurmastiti (b), Nailan Nabila (a), Rima Margareta Retnyo Gumelar (a) (a) Agroteknologi, UPN ^Veteran^ Yogyakarta, Jl. Padjajaran Jl. Ring Road Utara No.104, DIY, Indonesia *amalia.nurul[at]upnyk.ac.id (b) Agribisnis, UPN ^Veteran^ Yogyakarta, Jl. Padjajaran Jl. Ring Road Utara No.104, DIY, Indonesia Abstract Melon is a horticultural commodity of high economic value. Hybrid melon varieties are widely developed by seed companies and researchers in Indonesia. The variety of melons plays an important role in plant breeding. The research aims to find out the classification of F2 melon populations based on the variety of fruit quality. Research was conducted in July - September 2023 in Tegal using greenhouse. Based on analysis, there are three large groups of melons based on the characteristics of the quality of the fruit. Clustering on melons can be an information in determining the direction of lines development in melon breeding. Keywords: breeding- cluster analysis- cucumis melo Share Link | Plain Format | Corresponding Author (Amalia Nurul Huda)

8	Agriculture	ABS-67
Indonesia and Philippine MSMEs: A Comparison Antik Suprihanti1*, Jerome D. Soriano2, Andreas Mahendro Kuncoro3, Rika Ernawati4, and Erna Kurniawati5 Department of Agribusiness, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran, Yogyakarta, Indonesia1- Faculty of Business and Management, Tarlac Agricultural University, Philippines2- Department of Technical Industry, Faculty of Industrial Technic, Universitas Pembangunan Nasional Veteran, Yogyakarta Indonesia3 Abstract This research aimed to describe the profile of micro, small, and medium enterprises (MSMEs) of Indonesia and the Philippines based on variables such as the number and classification of establishments, contribution to the national economy, geographical location, sectoral distribution, problems, challenges, and responsive government policy and support. The data used in this research were the annual reports of MSMEs from the Department/Ministry of Trade, as well as related websites, and surveys. The analytical method used was descriptive. Data showed that MSMEs in both countries have the same role in contributing to the national economy, have similarities in the problems and challenges. However, there were differences in the diversity of products and programs. There extent of the government^s efforts to support MSMEs in market development, especially in developing product quality to penetrate international markets. Differences in government policies reflected differences in strategic priorities in supporting MSMEs to reach high levels. In both countries there are synergies between the government through related departments and universities to encourage MSMEs. However, in Indonesia assistance also comes from companies through Corporate Social Responsibility (CSR) Programs and the focus was on increasing access to export markets by developing the soft skill of the entrepreneurs, as well as financing and digitalization for the MSMEs. Meanwhile, in the Philippines, improving the product quality major comes from the government was initiated to increase domestic and export volume. Keywords: comparison, descriptive analysis, Indonesia, MSMEs, Philippine Share Link | Plain Format | Corresponding Author (Antik Suprihanti)

9	Agriculture	ABS-83
The Effect of Coconut Shell Biochar and Sheep Manure on Corn Plant Growth Susila Herlambang (a*), Danang Yudhiantoro (b), Muammar Gomareuzzaman (c), Roy zihan Maulana Gifari (a), and Lidya Teresa Sitinjak(a) a) Department of soil science, Faculty of Agriculture, universitas pembangunan nasional veteran Yogyakarta, Indonesia * susilaherlambang[at]upnyk.ac.id b) Department of Management, Faculty of Business Economics,universitas pembangunan nasional veteran Yogyakarta, Indonesia c) Department of Environmental Engineering, Faculty of Mineral Technology,universitas pembangunan nasional veteran Yogyakarta, Indonesia Abstract The corn plant or Zea mays L. is a monoecious plant where the male flowers are located separately from the female flowers on one plant. Organic material is material that comes from fresh waste and/or has undergone decomposition and functions as a source of nutrition and/or soil improvement (soil amelioration). Biochar is a processed material from organic waste which functions as a supplier of soil carbon. Meanwhile, sheep manure is known to contain the macro nutrients N, P, K and various essential minerals, sheep manure also contains various types of bacteria, both beneficial bacteria and harmful bacteria. The aim of this research is to utilize organic waste from solid sheep manure as a source of nutrients and process coconut shell waste into biochar (active biological charcoal) which functions as a temporary transit space for nutrients. This research was carried out in the experimental garden of the Faculty of Agriculture, Veteran National Development University, Yogyakarta, with the type of soil used being Entisol which comes from the sandy land of Samas Beach, Yogyakarta without any shade above it. This research uses survey techniques and descriptive methods, with the research stages starting from taking samples of Entisol directly. The design that will be used in the research is a Completely Randomized Design (CRD) with two factors. The first factor, namely coconut shell biochar (B) which consists of 4 treatments and the second factor, namely solid sheep manure (K) which consists of 4 treatments. Each treatment will be repeated three times, so that a total of 48 experimental units are obtained. Soil analysis was carried out at the Soil Laboratory of the Faculty of Agriculture and FTIR and SEM analysis was carried out at MIPA UGM Yogyakarta. The treatment of adding coconut shell biochar with a dose of 20 tons/ha with solid sheep manure with a dose of 5 tons/ha (B3K2) showed the highest value, namely 141.7 cm. Significant results regarding the number of corn plant leaves occurred in the treatment of coconut shell biochar at a dose of 0 tons/ha with solid sheep manure at a dose of 7.5 tons/ha (B0K3), namely with a total of 13 leaves Keywords: Biochar- Organic Manure- Soil- Waste Organic Share Link | Plain Format | Corresponding Author (susila herlambang)

10	Agriculture	ABS-85
EXPLORATION AND PATHOGENICITY TEST OF ENTOMOPATHOGENIC NEMATODES FROM VARIOUS SUGARCANE CULTIVATION LOCATIONS IN YOGYAKARTA AGAINST THE WHITE GRUB (Lepidiota stigma) Chimayatus Solichah (a*), Rukmowati Brotodjojo (a), Seto Agung Kuncoro (a), Sari Virgawati (a), Heti Herastuti (a) a) UPN Veteran Yogyakarta *maya.s[at]upnyk.ac.id Abstract White grub (Lepidiota stigma) is a major pest in sugarcane plantations. Entomopathogenic nematodes are expected to be able to become biological agents in controlling this pest. The initial stage in implementing biological control techniques is exploration. Many sugarcane plantations in Yogyakarta are cultivated on sandy soil so that it is suitable for nematodes living environment. This research aims to identify types of entomopathogenic nematodes in sugarcane plantations in Yogyakarta and determine the level of its pathogenicity on L. stigma mortality. This research was carried out at the Plant Protection Laboratory of UPN ^Veteran^ Yogyakarta. The research method used one factor Completely Randomized Design (CRD) with 7 replications. The treatment used was nematode isolates obtained from each plot of sugarcane cultivation land consisting of the Madukismo, Jangkang, and Banyuroto sugarcane plantations. The observation data was analyzed using Analysis of Variance (ANOVA) and if there were significant differences, it was continued with Duncan^s Multiple Range Test (DMRT) with a significance level of 5%. The results showed that in the three sugarcane cultivation fields, entomopathogenic nematodes of the type Steinernema sp. were found. The three nematode isolates from different locations were able to cause L. stigma mortality with levels of pathogenicity that were not significantly different. Keywords: Exploration, Entomopathogenic Nematodes, Sugarcane, White Grub, Lepidiota stigma Share Link | Plain Format | Corresponding Author (Chimayatus Solichah)

11	Agriculture	ABS-103
Soil Carbon Research Development in Indonesia Amid the Emerging Global Climate Change Movement Ahmad Rif^an Khoirul Lisan*1, Dwi Amalia 2, Tesa Oktafira Dewanti 1, Aldy Putra Pratama 1, Rizki Amanda Putra 2 1 Soil Science Department, Faculty of Agriculture, UPN Veteran Yogyakarta 2 Chemical Engineering Department, Faculty of Industrial Engineering, UPN Veteran Yogyakarta Abstract Since 1975, climate change has been a major focus, with climate actions increasing globally since 2014 across governments, NGOs, private enterprises, and citizens. Terrestrial carbon sequestration, particularly in soils, is essential for reducing atmospheric greenhouse gases. This study examines the development of soil carbon research in Indonesia within the global climate change movement, through a literature review of selected Google Scholar articles. The criteria for inclusion were: research conducted in or about Indonesia, discussion of soil, soil carbon sequestration or storage, and global warming. This review identified 51 articles, with the earliest from 2002. Research on soil carbon sequestration in Indonesia has steadily increased, focusing on various environments: natural forests or agroforests, peatlands, mangroves or coastal wetlands, paddy fields, and open or public spaces. While many Indonesian researchers have contributed, most studies were funded internationally. Notably, recent research has expanded from traditional natural or rural environments to urban settings, such as green spaces and campus areas. Keywords: Carbon, climate change, GHG, movement, soil Share Link | Plain Format | Corresponding Author (Ahmad Rifan Khoirul Lisan)

12	Agriculture	ABS-109
Strategy to Increase Farmers^ Income through Community-Based Organic Waste Management Hendro Widjanarko1*, Bambang Sugiarto1, Endah Wahyurini1, Dhiani Dyahjatmayanti2, Humam Santosa Utomo1 1 Universitas Pembangunan Nasional Veteran Yogyakarta 2 STTKD Yogyakarta Abstract This research was conducted to formulate, implement and evaluate strategies for increasing farmers^ income through processing organic waste into organic fertilizer. The approach used in this study is qualitative and quantitative. The study was conducted on farmer groups in Wukirsari village, Bantul, Yogyakarta. This research involved farmer groups and the Wukirsari village government. Data was collected using focus group discussions, in-depth interviews, and questionnaires. The results of this research found that processing waste into organic fertilizer has been proven to reduce farmers^ operational costs and increase farmers^ income. The average reduction in fertilizer costs reached 32% and the average increase in farmer income was 28%. The study results show that the implementation of a strategy for collectively processing waste into organic fertilizer improves farmers^ welfare. Keywords: Wukirsari, waste management, organic fertilizer, welfare Share Link | Plain Format | Corresponding Author (Humam Santosa Utomo)

13	Agriculture	ABS-124
RESPONSIBILITY OF PSB (Photosynthetic Bacteria) AND JAKABA ON THE GROWTH OF BANANA KEPOK BUNG Rina Srilestari, Ari Wijayani, Suwardi, Krisnandini Wahyu Pratiwi, Jacqueline Olivia Permata, Aisyah Rizta Oktaviana, Maura Bennyta Department of Agrotechnology, Faculty of Agriculture, UPN ^Veteran^ Yogyakarta, Indonesia. Abstract The post-acclimatization growth of banana kepok Bung is influenced by nutrition. Nutrients must be able to be absorbed by plant roots that are not yet so strong and perfectly formed. POC will be effective because of its nutrient content that easily decomposed. The study^s primary goal was to obtain kepok banana bung seedlings from tissue culture with good growth in the field using PSB and POC Jakaba. The study used a split plots design in a field experiment, the main plot representing the concentration of PSB (10, 15, 20 ml/ L with subplots measuring the consentration of jakaba (10, 20, 30 ml/L). Data were analyzed for diversity at the 5% level and further tested with DMRT at the 5% level. There is an interaction in the treatment combination of PSB concentration 10 ml/L with Jakaba 10 ml/L on plant height and number of leaves. Keywords: Banana, Photosynthetic Bacteria, Jakaba Share Link | Plain Format | Corresponding Author (Rina Srilestari)

14	Agriculture	ABS-135
THE EFFECT OF MANGO LEAF EXTRACT AS A BIOHERBICIDE AGAINST THE GROWTH OF BILLY GOAT WEED (Ageratum conyzoides - Asteraceae )Please Just Try to Submit This Sample Abstract Abdul Rizal AZ, Pangestu Harist Pratama, Dyah Arbiwati, Lelanti Peni Wirarti Agrotechnology Department, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta. Soil Science Department, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta Abstract Billy Goat Weed is an invasive and dangerous weed that causes a decrease in crop yields, so its existence needs to be controlled. Mango leaf extract has the potential as a bioherbicide to control weeds. The purpose of this study is to determine the best concentration of mango leaf extract to control billy goat weed. The study was conducted at the Plant Protection Laboratory and Greenhouse, Faculty of Agriculture, UPN ^Veteran^ Yogyakarta. Completely Randomized Design single factor with nine treatments, namely control (without control), mango leaf extract concentration of 10%, 20%, 30%, 40%, 50%, 60%, 70%, and 80%. The result showed that the Mango leaf extract has a significant effect in inhibiting weed growth and a concentration of 80% provides the best control compared to other treatments. Keywords: billy goat weed., Concentration, Mango leaf extract, weeds. Keywords: Keywords: billy goat weed., Concentration, Mango leaf extract, weeds. Share Link | Plain Format | Corresponding Author (Abdul Rizal AZ)

15	Agriculture	ABS-138
Characterization of Neopestalotiopsis sp. Causing Scab on Guava (Psidium guajava L. Cultivar Kristal) in Wonogiri Indonesia Azizah Ridha Ulilalbab(a*), Miftahul Ajri(a), Danar Wicaksono(a), Mofit Eko Poerwanto(a), Aura Dhamira(b), Seto Agung Kuncoro(a) a) Department of Agrotechnology, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta, Indonesia *azizah.ridha[at]upnyk.ac.id b) Department of Agribusiness, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta, Indonesia Abstract Crystal guava is one of the most popular fruit with high demand widely grown in the tropics area, especially in Indonesia. However it is affected by pathogen causing scab on guava fruit that could decrease product quality. This study aimed to identify the causal agent of scab on guava crystal fruit in Watulembu District, Wonogiri Indonesia. This method are isolation and identification of scab on guava pathogen through Koch^s Postulate application. The symptoms observed were brown lesions surrounded by dark brown borders, corky, scab on fruits matured. Based on morphological and molecular characterization showed that Neopestalotiopsis sp was causal agent of scab on guava. The morphological colony were shown with white blackish mycelium with granular and velvety colony texture included to fast group of mycelial growth rate. They had fusoid conidia with straight curved at ends. Pathogenicity test showed that incubation period of the fungal was 7 days after inoculation on fruits matured. The DNA amplification results was at 550 bp for Neopestalotiopsis. Keywords: crystal guava- Neopestalotiopsis sp.- characterization- scab Share Link | Plain Format | Corresponding Author (Azizah Ridha Ulilalbab)

16	Agriculture	ABS-142
THE QUALITY OF COMPOST FROM ORGANIC WASTE SLURRY ENRICHED WITH LIVESTOCK WASTE, MAGGOT AND TRICHODERMA, AND ITS EFFECT ON THE GROWTH OF RICE PLANTS IN REGOSOL SOIL Didi Saidi, Tuti Setyaningrum, Sugandini, Sri Dwi Ari Ambarwati, Daniel Alfanito Setyawan Tambun UPN VETERAN YOGYAKARTA Abstract Abstract. This research was conducted to determine the characteristics of compost from a combination of organic waste slurry with livestock waste, Maggot and Trichoderma on rice growth and production. The research was carried out in 2 stages, namely Stage 1 the compost making process with 5 types of combination of organic waste slurry with livestock waste, K1: Organic waste slurry, K2: Organic waste slurry and livestock waste (3: 1), K3: Organic waste slurry and livestock waste (2 : 2 ), K4: organic waste slurry and livestock waste (1 : 3), K5: Livestock waste. with 3 types of bioactivators, B0: No bioactivators, B1: Maggot/BSF, B2: Trichoderma. Stage 2. Testing the quality of compost using a Completely Randomized Design with treatment: K0: Soil without compost- K1 - K15 (from a combination of garbage slurry, livestock waste and bioactivators)- K16: Soil with ponska fertilizer (NPK). Each treatment was repeated 3 times. Data processing uses Sidik variance (Anova, 5%) and Duncan^s test (5%). The research results showed that the combination of organic waste slurry with livestock waste, Maggot and Trichoderma had an effect on the characteristics of the compost and increased rice growth and production. The highest quality of livestock waste is found in Chicken livestock waste with a carbon content of 25.29% and a nitrogen content of 2.51%, the quality of the livestock waste mixture has the highest phosphorus content (4.23%). A mixture of goat, chicken and cow livestock waste can improve the quality of waste slurry compost and meets standards. The best compost quality was achieved by treating organic waste and livestock waste compost (3:1) with Maggot bioactivator (BSF). The mixture of waste slurry with livestock waste and bioactivators affects plant height, number of tillers, plant root weight, rice straw weight, number of rice panicles and rice weight. Keywords: compost quality, organic waste slurry, livestock waste, Maggot, Trichoderma, rice, Regosol Share Link | Plain Format | Corresponding Author (Didi Saidi)

17	Agriculture	ABS-144
COMPOST QUALITY FROM A MIXTURE OF ORGANIC CAMPUS WASTE AND ANIMAL WASTE AND ITS INFLUENCE ON CORN PLANTS IN REGOSOL SOIL Darban Haryanto, Didi Saidi, Bambang Sugiarto UPN Veteran Yogyakarta Abstract The campus is a place for people to gain knowledge in higher education, from human activities and the environment in the form of plants, it will produce waste in the form of organic and inorganic waste. Organic waste is waste from human activities which continues to increase and has an impact on environmental pollution, organic waste in the form of food waste, paper waste and leaf waste, etc. Organic waste management must aim to improve public health and environmental quality and make waste a resource with economic value. This research aims to determine the decomposition process of campus organic waste using Bioactivators so that the decomposition time is faster, to determine and improve the quality of compost from organic waste and to determine its effect on the growth of sweet corn and the fertility of Regosol soil. The research was carried out in 2 stages, namely Stage 1, Decomposition process of campus organic waste with a combination of livestock waste: Factor 2 types of bioactivators: a. Mixed culture (EM4), b. Pure culture (lignolytic), c. Trichoderma. Stage 2. Testing the quality of compost using the method used is a Completely Randomized Design with treatments: K0: Soil without compost- K1: Soil with quality 1 compost- K2: Soil with quality 2 compost- K3: Soil with quality 3 compost- K4: Soil with quality 4 compost- K5: Soil with quality 5 compost- K6:: Soil with ponska fertilizer (NPK). Observational data was analyzed using variance (Anova) at a confidence level of 95%. To test differences between treatments, Duncan^s multiple range test (DMRT) was used with a significance level of 5%. The research results showed that compost and organic waste in a ratio of 50%:50% had the best corn plant height, for the best bioactivator by providing magot bioactivator, the highest N content analysis was obtained from straw waste. Keywords: Key words: decomposition, organic waste, bioactivator, Regosol, sweet corn Share Link | Plain Format | Corresponding Author (Darban Haryanto Darban)

18	Agriculture	ABS-145
Evaluating the Effects of Sargassum Extract on the Early Growth Stages of Lokananta True Shallot Seed Tuti Setyaningrum(a), Arif Umami (a), Ari Wijayani (a), Annasta Febryanti (a), Siswanti (b) a) Department of Agrotechnology, UPN Veteran Yogyakarta b) Department of Chemical Engineering, UPN Veteran Yogyakarta Abstract True Shallot Seed (TSS) is a planting material with advantages in quantity and quality of bulb production compared to bulb seeds. However, farmers are reluctant to use TSS because it takes longer in the nursery. Therefore, cultivation technology is needed to shorten the time for TSS to become ready-to-plant seeds. One technology that can be used is natural ZPT contained in Sargassum seaweed to stimulate plant growth. This study aimed to determine the effect of Sargassum extract on Lokananta TSS. The study used a completely randomized design with nine treatments including S0 (control/without sargassum), S1 (Sargassum Extract- Autoclave 5 ml/L), S2 (Sargassum Extract- Autoclave 10 ml/L), S3 (Sargassum Extract- Autoclave 15 ml/L), S4 (Sargassum Extract- Autoclave 20 ml/L), S5 (Sargassum Extract- Enzyme 5 ml/L), S6 (Sargassum Extract- Enzyme 10 ml/L), S7 (Sargassum Extract- Enzyme 15 ml/L), S8 (Sargassum Extract- Enzyme 20 ml/L). All treatments were carried out with three replications. The data obtained were then analyzed using ANNOVA and continued with the DMRT test. The results showed that TSS treated with sargassum had faster growth than the control. Keywords: True Shallot Seed, Sargassum, Extract, Lokananta Share Link | Plain Format | Corresponding Author (Arif Umami)

19	Agriculture	ABS-146
Morphological Identification of Impatiens balsamina L. Seeds from Different Sources Ni Kadek Ema Sustia Dewi (a*), Ami Suryawati (a), Sri Kuning Retno Dewandini (b), Nabila Maharani(a), Eko Dewi Wulandari (a) (a) Agrotechnology Study Program, Faculty of Agriculture, UPN Veteran Yogyakarta, Indonesia (b) Agribusiness Study Program, Faculty of Agriculture, UPN Veteran Yogyakarta, Indonesia Abstract Impatiens balsamina L., commonly known as balsam, is a member of the Balsaminaceae family widely used in traditional ceremonies in Bali. Besides cultivation techniques, the success in producing balsam flowers is influenced by the use of high-quality seeds. Understanding the morphological identity of seeds is essential prior to conducting seed quality analysis. This study aims to determine the morphological characteristics of seeds from different sources. The research involved sampling seeds from various sources, including farmer-produced seeds, uncertified commercial seeds, and certified commercial seeds. The observed parameters included qualitative and quantitative morphological traits. The results indicate that certified commercial balsam seeds exhibit the most uniform colour, uncertified commercial seeds have the widest size, and seeds from local farmers have the longest length. Keywords: seed morphology, balsam, certification, ethnobotany Share Link | Plain Format | Corresponding Author (Ni Kadek Ema Sustia Dewi)

20	Agriculture	ABS-153
Monitoring of Soil Moisture Based on Remote Sensing Imagery to Support the Carrying Capacity of Agricultural Land in Sleman Regency Tiara Sarastika (a*), Uli Ulfa (b), Yusuf Susena (c) Adam Derbyan^syah (a), Yona Septiyasari (a), Amara Seva Azalikha (a) a) Soil Science, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta, Indonesia *tiara.sarastika[at]upnyk.ac.id b) Geophysics Engineering, Faculty of Technology and Minerals, Universitas Pembangunan Nasional Veteran Yogyakarta, Indonesia c) Department of Geographic Information Science, Faculty of Geography, Universitas Gadjah Mada, Indonesia Abstract Soil is a natural medium that supports living creatures^ lives, including plants. Soil moisture influences plants^ process of absorbing nutrients. Information on soil moisture plays an important role in sustainable agriculture, especially regarding the carrying capacity of agricultural land. Fast and accurate determination of soil moisture values is important for research because it is essential to assist the process of planning, implementing, monitoring, and evaluating activities in the agricultural sector. Estimates of soil moisture values based on remote sensing technology were obtained through Sentinel-1 SAR imagery analysis. This research aims to 1) monitor soil moisture data over a certain period, and 2) analyze the relationship between soil moisture data and the carrying capacity of agricultural land. Estimating soil moisture values using Soil Moisture Index (SMI) analysis and correlated with field sample. Soil moisture data monitoring results show that moisture levels in July 2023 and June 2024 have low soil moisture conditions, while August 2023 to May 2024 have medium-high soil moisture conditions. The correlation of 0.3700 indicates a weak to moderate positive relationship between SMI and field soil moisture. Soil moisture estimates using remote sensing technology can be used to formulate useful policies in the agricultural sector, especially the carrying capacity of land for plant growth and development. Keywords: humidity, Sentinel-1 image, land carrying capacity Share Link | Plain Format | Corresponding Author (Tiara Sarastika)

21	Agriculture	ABS-161
Impact of climate change on the agricultural sector and adaptation strategies (case study in Bantul district, Yogyakarta) Liana Fatma Leslie Pratiwi, Ali Hasyim Al Rosyid, Siti Rokhimah, Rachmad Yuniartha, Muhammad Wafa Fahrefi Nila, Indriyana Wulan Agustin, Ichsan Nur Cahyanto, Adelia Rachel Ayu Sawitri, Muhammad Akbar Syauqi 1 Agribusiness Study Program, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta 2 Accounting Study Program, Faculty of Economic and Business, Universitas Pembangunan Nasional Veteran Yogyakarta Padjajaran Street 104, Condongcatur, Depok, Sleman, Yogyakarta, Indonesia Abstract This study aims to analyze the impact of climate change on the agricultural sector and develop adaptation strategies to overcome the impact of climate change on the agricultural sector. The basic method used is descriptive analytical. The location of the study was taken by purposive sampling by selecting Pandak District as one of the agricultural areas that has a large area and high food crop productivity in Bantul Regency. The analytical method used to analyze and examine the adaptation strategies carried out by farmers as an effort to minimize the negative impact of climate change on farming used quantitative and qualitative descriptive analysis techniques. The results of the study showed that the impact of climate change causes a decrease in agricultural production and even crop failure. The main factors of climate change are rainfall patterns, extreme climate events (floods and droughts), and plant pests. Farmers implement adaptation strategies in the form of using superior plants, arranging planting times and patterns, and water management technology. Keywords: adaptation strategies, agriculture, climate change, farmer Share Link | Plain Format | Corresponding Author (Liana Fatma Leslie Pratiwi)

22	Agriculture	ABS-162
Leachate Characteristics of Vinasse Made from Sorghum Stem Juice and Molasses in the Columns of Several Clay-Textured Soils Mohammad Nurcholisa)*, Eko Amiaji Yuliantoa), Sari Virgawatia), Fahmi Herwinastwan Prakosa a), Firdaus Muhammad Fauzi a), Faida Anisa Aviagab), Suhadic) a)Master Program, Department of Soil Science, Universitas Pembangunan Nasional Veteran Yogyakarta, Indonesia nurcholis[at]upnyk.ac.id b)Bachelor Program, Department of Soil Science, Universitas Pembangunan Nasional Veteran Yogyakarta, Indonesia c)Ethanol Factory, PT Madubaru, Yogyakarta, Indonesia Abstract Vinasse as a by-product of processing plant materials into bioethanol is a renewable energy source, which it can be obtained from sugar-producing plants. Vinasse contains nutrients and organic content that can support its use as liquid organic fertilizer on agricultural land in Indonesia. The aim of this research was to determine the leaching process of vinasse and the leachate results in various types of clay-textured soil. In this research, leaching process was performed to vinasse in columns of five types of clay-textured soil. There were five soil samples collected from the field, and then air-dried and sieved through a diameter of 2 mm. There were two kinds of vinasse, from ethanol production using sorghum stem juice as raw material and form molasses as waste of sugar industry, with control using distilled water. The leach column was constructed using PVC tube with a diameter of 11.4 cm and a height of 30 cm, and it was filled with 1 kg soil. The analyses carried out were leaching time, percent volume of liquid leached, pH, electrical conductivity (EC), Eh, chemical oxygen demand (COD), and biological oxygen demand (BOD). The results of this research showed that the leaching time of vinasse from molasses can reach 5 hours. The volume of vinasse leach from sorghum was the highest (>90%). The pH of the vinasse increased after passing through the soil column. The highest EC of the leached vinasse is from molasses, namely around 15 mS. The COD and BOD values of vinasse increased after passing through the soil column. Keywords: bioethanol, leaching, liquid organic fertilizer, sweet sorghum, vinasse Share Link | Plain Format | Corresponding Author (Mohammad Nurcholis)

23	Agriculture	ABS-170
The Relationship Between Primary Nutrient Concentrations and Environmental Damage in the Disaster-Prone Area of &#8203-&#8203-Mount Merapi Julianto E. A (a*), Susila Herlambang (b) Herwin Lukito (c) UPN Veteran Yogyakarta Abstract The eruption of Merapi provides economic benefits in the form of increased soil fertility and an abundance of sand and stone materials. Over time, mining began to encroach on yards, becoming increasingly wild and not using good rules or governance. The result is that environmental damage is prone to occur in the form of land criticality. The study was conducted to identify the level of land criticality on the slopes of Merapi. The output is to provide recommendations for land rehabilitation in order to realize sustainable development. The results of the study show that the study area whose land is classified as very critical is 696.43 Ha or 4.48%. Critical land is 133.02 Ha or 0.85%. Furthermore, the area classified as somewhat critical/moderate is 80.35 Ha or 0.52%. Land classified as potentially critical is 527.17 Ha. Finally, non-critical land is still the largest, namely 14.123 Ha. Recommendations for critical land rehabilitation consist of vegetation and civil engineering. The selection of vegetation uses vegetation that already exists in the area (local/in situ) as much as possible. General civil engineering recommendations use a terracing system (bench terraces including flat bench terraces, back bench terraces, sloping bench terraces, garden terraces, broken bench terraces). Rehabilitation of critical land in riverbank areas using civil engineering with flood, control and/or river bank protection and vegetation by planting grass. Areas with all slopes and accompanied by signs of ravines, the recommendation is to block the ravines using civil engineering while vegetation is to plant grass. Keywords: mitigation, environmental damage, critical land, eruption disaster, slopes of Mount Merapi Share Link | Plain Format | Corresponding Author (EA Julianto)

24	Agriculture	ABS-179
Morphological Characterization of Melon (Cucumis melo L.) Varieties Meldo UPNVY1 and Meldo UPNVY2 with Substrate Hydroponic System Bambang Supriyanta, Mangaras Yanu Florestiyanto, Budiarto, Maryana, Ahmad Fadoli, Dian Fashiha UPN Veteran Yogyakarta Abstract Melon (Cucumis melo, L), is a horticultural plant with high economic value and is in demand by the community, has a business prospect that is increasingly in demand along with the increase in fresh fruit consumption, especially premium melons, because they have a relatively higher price level. This makes many farmers, especially millennial farmers interested and take advantage of this opportunity by intensively cultivating melon plants hydroponically. Formation of superior melon varieties can be one solution in an effort to meet consumer tastes. The desired superior characters can be initiated with characterization activities. Characterization aims to describe all plant characters, both qualitative and quantitative characters possessed by melon plants, so that the characteristic characters of a genotype can be identified in the formation of new superior varieties. The purpose of this study was to obtain a brief description of the morphological characters, both qualitative and quantitative, of the Meldo UPNVY1 and UPNVY2 varieties compared to other commercial varieties. The research was conducted at the Green House CV. SG Agroniaga in Dusun Ngasem, Krakitan, Bayat, Klaten in May - July 2024. The study was a field experiment using a Completely Randomized Design (CRD) consisting of 8 treatments with 3 replications. The treatments consisted of 8 melon genotypes, namely Meldo UPNVY1, Meldo UPNVY2, Dalmation, TajMahal, Alisa, Apollo, Sweet D25, and Honey Globe. Qualitative data were analyzed descriptively based on the description for melon from the Union for The Protection of New Varieties of Plants (UPOV), while quantitative characters were analyzed by analysis of variance at the 5% level and continued with the Duncan Multiple Range test. The results showed that there were unique qualitative characters in Melon Meldo UPNVY1, namely having an orange base color with dense dark green spots, greenish white flesh color and a sweetness level reaching 15 brix. Meanwhile, Melon Meldo UPNVY2 has an orange base color with a few dark green dots, the color of the fruit flesh is a white-orange gradation with a fruit weight reaching 2 kg. Keywords: melon, characterization, hydroponic, breeding Share Link | Plain Format | Corresponding Author (Bambang Supriyanta)

25	Agriculture	ABS-182
THE DIVERSITY OF ARTHROPODS ON PEPPER (Piper nigrum L.) IN BANJARNEGARA, CENTRAL JAVA USING A SWEEP NET Ratna Ika Rahayu, Mofit Eko Poerwanto, Azizah Ridha Ulilalbab, Miftahul Ajri, Danar Wicaksono, Siwi Hardiastuti Endang K., Ali Hasyim Al-Rosyid, Liana Fatma Leslie Pratiwi UPN Veteran Yogyakarta Abstract Pepper (Piper nigrum L.) is a superior plantation commodity that has high economic value and the potential to increase foreign exchange. Pepper commodities need to be rejuvenated and control measures and efforts to mitigate pests comprehensively so that they do not become a source of inoculum that can threaten the stability of land productivity. The objective of this research is to determine the diversity index of insects in pepper plantations in Banjarnegara, Central Java. Sampling using purposive sampling technique using a sweep net. The field used for the research consisted of 3 fields and 3 sampling sites per field. The observation was carried out every 2 weeks from May 2024 to July 2024. Arthropods are caught by swinging the net. The net is swung 10 times to the right and left while moving forward 10 steps. The collected data will be analyzed using the Shannon-Weiner (H^) diversity index formula. The Shannon-Wienner diversity index of arthropods in 3 pepper fields in Banjarnegara at the first, third, fifth, and ninth weeks have medium diversity. The dominant arthropod found in 3 pepper fields in Banjarnegara are natural enemy (Diaditus, Iridomyrmex, Micrargus, Anoplolepis, and Oxyopes)- Pest but are not major pest of pepper (Leptocorisa, Microtechnites, and Drosophila)- and other (Cricotopus). Keywords: Pepper, Arthropods, Diversity, Banjarnegara Share Link | Plain Format | Corresponding Author (Danar Wicaksono)

26	Agriculture	ABS-185
Morphological and Morphometric Identification of Entomopathogenic Nematodes from Sugarcane Plantation in Yogyakarta Miftahul Ajri, Seto Agung Kuncoro, Chimayatus Solichah, Septi Sri Rahmawati, Ayu Kumala Sari, Azizah Ridha Ulilalbab Faculty of Agriculture, UPN Veteran Yogyakarta, Indonesia Abstract Entomopathogenic nematodes are biological agents proven effective in killing insect pests. Entomopathogenic nematodes can infect and kill hosts quickly because they can form a symbiosis with symbiont bacteria. This study aims to identify the morphology and morphometry of entomopathogenic nematodes found in various sugarcane plantations in Yogyakarta. The entomopathogenic nematode isolates identified were the results of soil extraction-isolation in sugarcane fields in three places, namely Jangkang (EPN_UPN1), Banyuroto (EPN_UPN2), and Madukismo (EPN_UPN3). The results of the study showed that the nematodes found in the three locations had the same morphology: stoma has a narrow buccal capsule without teeth, a slightly smooth cuticle, a pharynx consisting of three parts with visible metacorpus, a vulva located in the middle, and a conical tapering tail. Based on the results of morphometric observations, EPN_UPN1 (n=5): L=1289.5, a=24.7, b=6.1, c=9.4, vulva=51.3%, W=52.2, Nerve ring=23.3, ES=215.14, T=137.9, ABD=27.3- EPN_UPN2 (n=4): L=1269.3, a=24.0, b=5.6, c=11.3, vulva=51.7% W=52.9, Nerve ring=27.3, ES=226.3, T=113.0, ABD=25.9- EPN_UPN3 (n=6): L=1196.2, a=29.1, b=5.2, c=10.4, vulva=53.0%, W=42.1, Nerve ring=22.5, ES=231.4, T=114.7, ABD=20.9. Based on the morphology and morphometry characteristics, the entomopathogenic nematode species refers to Rhabditis sp. Keywords: Biological control, pests, identification, pest control, taxonomy Share Link | Plain Format | Corresponding Author (Miftahul Ajri)

27	Agriculture	ABS-189
ANALYSIS OF RICE PRODUCTIVITY AND SUSTAINABLE FOOD SECURITY IN BANTUL DISTRICT Jamzani Sodik, Eko Murdiyanto, dan Wahyu Dwi ArtaningtyasPlease Just Try to Submit This Sample Abstract UPN Veteran Yogyakarta Abstract This study aims to determine how much rice production in Bantul regency year 2017- 2023, and to find out how the level of productivity of paddy fields. The initial idea of this study was due to the increasing population in Bantul District from 2017-2023 which led to the conversion of paddy fields to settlements, this would reduce the resources of agricultural land for rice production. This study uses a descriptive method with a quantitative approach, while the data needed in this study is secondary data obtained from BPS Bantul Regency and analyzed using Microsoft Excel by comparing the demand (demand) and the supply (supply). To find out the level of productivity of paddy fields used the carrying capacity of agricultural land formula. Based on the results of the analysis, it is found that from the side of the demand or need for rice in 2023, it can be calculated based on the population and physical consumption figures of 97939,61223 tons. While the results of calculations in terms of availability or production of rice in the Bantul Regency in 2023 amounted to 11197.69707 tons. So if we compare the needs with availability, Bantul Regency has a deficit which means that the number of rice needs in the Bantul Regency in 2023 is below the demand or demand rate. Furthermore, if seen from the productivity level of paddy fields in 2023 based on rice production or availability, it shows that Bantul Regency has a deficit with availability of 0.014279007 tons, this figure is below the minimum physical consumption figure of Bantul Regency population of 0.124 or equivalent to 342 gr/person/day. Productivity based on the carrying capacity of agricultural land also experienced a deficit, the value of a indicates 0.0000001458, less than 1 (a <1) which means that the Bantul Regency is no longer capable of food self-sufficiency. Keywords: Productivity, Rice Fields, Rice Production, Rice Needs Keywords: Productivity, Rice Fields, Rice Production, Rice Needs Share Link | Plain Format | Corresponding Author (Jamzani Sodik Sodik)

28	Agriculture	ABS-191
Identification of Morphological Character of Periwinkle Genotypes (Catharantus roseus) Endah Wahyurini (a*), Ami Suryawati (a), Lelanti Peniwiratri (b), Dea Afirsta (a) a) Agrotechnology, Faculty Agriculture, Pembangunan Nasional Veteran Yogyakarta Univesity, Indonesia Jl. SWK 104, Condongcatur, Depok, Sleman, Yogyakarta 55283 *endah.wahyurini[at]upnyk.ac.id b)Soil Science, Faculty Agriculture, Pembangunan Nasional Veteran Yogyakarta Univesity, Indonesia Abstract Breeders need to know the morphological characteristics and heritability values of periwinkle plants to increase genetic diversity, selection to improve the quality and quantity of ornamental plants. The problem faced is that the utilization of periwinkle genotype diversity is less than optimal in selecting crossbred parents for germplasm preservation. This research aims to obtain genetic diversity based on morphology, as well as high heritability values. The research method used a field experiment in a one-factor Completely Randomized Design. The treatments were 8 periwinkle genotypes, namely:Vinca Sultan Mandarin Orange, Vinca Tattoo Papaya, Vinca Sunstorm Light Blue, Vinca Pink Blush, Vinca White,Vinca Victory Blue, Vinca Pink Curly Hallo dan Vinca Ningrum Black Hallo. The results showed that genotype had a significant effect on the growth of plant height, number of leaves and stem diameter. The Vinca Pink Blush periwinkle was significantly taller and had more leaves than the other genotypes. In terms of stem diameter, there was no significant difference between treatments. High heritability values are found in plant height characters Keywords: periwinkle, genotype, morphological characterization Share Link | Plain Format | Corresponding Author (Endah Wahyurini)

29	Agriculture	ABS-194
Spatiotemporal Study of Land Use Change Based on Geographic Information Systems in Gunungkidul Regency Septi Sri Rahmawati (a*), Ratih Setyowati (a), Ramlah (b), Salsabila Nur Azizah (a), Muhammad Yusuf (a), Ahmad Saikhu (c), Samsul Kamal (a) a) Department of Soil Science, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta, Indonesia b) Institut Teknologi Pembangkit Tenaga Listrik, Jakarta, Indonesia c) Perguruan Taman Siswa, Yogyakarta, Indonesia Abstract Improvements in the standard of quality and quantity of living necessities have led to competition for the use of agricultural and non-agricultural land. This has resulted in uncontrolled land use changes. Uncontrolled changes in land use can cause land degradation that threatens food security. Additionally, changes in land use put pressure on the environment. One effort to maintain the sustainability of these land resources is by studying the direction of land change developments that have occurred in the years prior. This study analyzes the spatio-temporal changes in land use in Gunungkidul Regency during the period from 2015 to 2023. Land use data was obtained from Sentinel 2 and Landsat satellite imagery and analyzed spatio-temporally using Geographic Information Systems (GIS). The findings indicate that significant changes occurred in the conversion of agricultural land into residential areas. The most substantial changes occurred in Wonosari Sub-district as the administrative center of Gunungkidul Regency, forming a pattern centered on service centers and spreading linearly along the access to these centers. Land changes also occurred in the northern and southern parts with a dispersed pattern. This research provides important information for better spatial planning and management in the future. Keywords: Spatio-temporal- Land use change- LULC- Gunungkidul- GIS Share Link | Plain Format | Corresponding Author (Septi Sri Rahmawati)

30	Agriculture	ABS-195
Incidence of Downy Mildew Disease (Pseudoperonospora cubensis) on Watermelon with Various Fertilizer Compositions on Coastal Sandy Soils in Pandeglang Regency, Banten Dallen Fauzi Alvinda, Mofit Eko Poerwanto*, Partoyo, Dyah Rachmawati Lucitasari, Siwi Hardiastuti, Danar Wicaksono, Azizah Ridha Ulilalbab, Miftahul Ajri, Mawar Kusumawardani Faculty of Agriculture, UPN Veteran Yogyakarta, Indonesia Abstract This research aims to examine the incidence of watermelon plant disease in coastal sandy land using various fertilizer compositions. Coastal sandy soils has different characteristics compared to general agricultural land, requiring a specific approach to pest and disease management as well as fertilizer application. The research was conducted in three villages, namely Ponggehaur Village, Coneang Village, and Bengkok Village, over one growing season. The research method included direct observation in experimental fields that received different fertilizer treatments. The fertilizers used in this study consisted of conventional and Cosmocel fertilizers. The observed parameters were the incidence of disease in five different fertilizer treatments. The data obtained was analyzed using Analysis of Variance (ANOVA) with a significance level of &#945- = 5%. Fertilizer compositions did not affect the powdery mildew disease incidence in Coneang and Bangkok villages. Watermelons planted in Ponggehaur Village with 50% conventional fertilizer and 100% Cosmocel have the lowest powdery mildew disease incidence. Keywords: Fertilizer compositions, disease incidence, watermelon, coastal sand land Share Link | Plain Format | Corresponding Author (Mofit Eko Poerwanto)

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