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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Lahan Suboptimal AGRIVITA, Journal of Agricultural Science Jurnal Agroekoteknologi Jurnal Wasian Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Segara Klorofil: Jurnal Penelitian Ilmu-Ilmu Pertanian Akta Agrosia Journal of Environmental Science and Sustainable Development Berkala Penelitian Hayati SRIWIJAYA JOURNAL OF ENVIRONMENT BIOVALENTIA: Biological Research Journal Jurnal Locus Penelitian dan Pengabdian Jurnal Wasian Journal of Smart Agriculture and Environmental Technology
Rujito Agus Suwignyo
Department Of Agronomy, Faculty Of Agriculture, Sriwijaya University, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Veterinary

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Spatial-Temporal Analysis of Land Cover Change and Flood Risk Detection in North Musi Rawas District, South Sumatra, Indonesia: Approach Gis and Sentinel Imagery Fitra, Mahturai Rian; Suwignyo, Rujito Agus; Putranto, Dinar DA.; Mardiansyah, Wijaya
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 7 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i7.4067

Abstract

This study aims to analyze the dynamics of land cover changes in North Musi Rawas Regency in the period 2017–2023 and triggers for flood risk using remote sensing and Geographic Information Systems (GIS) approaches. The research methods include Sentinel-2 satellite imagery classification using supervised classification techniques, accuracy validation, and spatial-temporal analysis to identify land conversion patterns and their relationship to hydrological dynamics. The results of the analysis show significant conversion of agricultural land vegetation (9,769 ha), built-up land (194 ha), shrubs (15,011 ha), and swamps (514.17 ha), which are driven by urbanization factors, expansion of the agricultural sector, and environmental degradation. These changes contribute to increased flood risk, with the area affected by the medium risk category reaching 133,586 ha, especially in Karang Dapo, Rupit, and Rawas Ilir Districts, while the low-risk area covers 31,397 ha. Meanwhile, areas with better vegetation cover show higher flood mitigation capacity. This study confirms that changes in land cover have a close correlation with increased flood risk, so that land management policies based on spatial data and the use of remote sensing technology are needed to support disaster mitigation and adaptation strategies more effectively
OPTIMALISASI LAHAN GAMBUT MELALUI IMPLEMENTASI IP 200 SEBAGAI PENGGANTI POLA TANAM SONOR DI DESA PERIGI KABUPATEN OKI PROVINSI SUMATERA SELATAN Harun, Umar; Agus Suwignyo, Rujito; Ramadhani, Fitri; Marlina, Marlina; Sefrila, Marlin; Rusdan, Risna; Habibulloh, Habibulloh; Kurnianingsih, Astuti; irmawati, Irmawati
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 8, No 11 (2025): MARTABE : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v8i11.4370-4381

Abstract

Lahan gambut yang luas dengan cadangan air tanah yang cukup dan iklim tropis yang memungkinkan kegiatan budidaya dapat dilakukan sepanjang tahun. Namun, potensi tersebut belum dapat dimanfaatkan secara optimal karena masih banyak petani yang menerapkan sistem sonor, yaitu pola tanam tradisional yang hanya mengandalkan air hujan dan dilakukan sekali tanam dalam setahun. Kegiatan pengabdian dilakukan di Desa Perigi terletak di Kecamatan Pangkalan Lampam, Kabupaten Ogan Komering Ilir, Provinsi Sumatera. Pelaksanaan pengabdian akan dilaksanakan secara komprehensif terdiri dari beberapa terminologi kegiatan seperti sosialisasi, pelatihan, penerapan/adopsi teknologi, pendampingan dan evaluasi serta keberlanjutan program. Kegiatan pengabdian kepada masyarakat di Desa Perigi dilakukan untuk memperkenalkan sistem budidaya intensif berkelanjutan di lahan gambut melalui penerapan pola tanam IP 200, sebagai solusi atas permasalahan rendahnya produktivitas dan praktik budidaya tidak ramah lingkungan seperti pembakaran lahan dan sistem sonor. Kegiatan ini melibatkan 5 petani mitra dalam satu kelompok tani, dan memperoleh respons positif dari petani non-mitra yang menunjukkan antusiasme terhadap teknologi yang diperkenalkan. Tahapan kegiatan mencakup sosialisasi, pelatihan, dan pendampingan teknis, dengan penerapan penanaman jagung di musim kemarau dan padi di musim hujan. Hasil kegiatan menunjukkan bahwa pendekatan bertahap yang disesuaikan dengan kebutuhan petani serta kondisi ekologis lahan gambut efektif meningkatkan intensitas tanam dan kesadaran akan pertanian berkelanjutan. Efek sosial yang terjadi menunjukkan potensi replikasi program di wilayah gambut lainnya. Kegiatan ini diharapkan menjadi model percontohan dalam pengelolaan lahan gambut yang produktif, aman, dan berkelanjutan.
Priming Benih Padi (Oryza sativa L.) dengan Zn untuk Meningkatkan Vigor Bibit pada Cekaman Terendam Sulaiman, Sulaiman; Suwignyo, Rujito Agus; Hasmeda, Mery; Wijaya, Andi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 44 No. 1 (2016): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (508.525 KB) | DOI: 10.24831/jai.v44i1.12486

Abstract

Seed priming has been widely used to improve seedling vigor of several crops  such as corn, wheat, and rice. Seed priming with zinc to increase seedling tolerance on submergence stress had never been evaluated. The objective of this research was to identify agronomical and physiological characteristics of several rice genotypes during seedling stage at submergence stress following zinc priming treatment. This research used factorial randomized block design with three replications. The first factor was rice genotypes and second factor was zinc solution of ZnSO4.7H2O. Seeds were soaked with Zn solution at different concentrations namely 0, 2.5, dan 5.0 mM respectively for 24 hours. After that the seeds were germinated on soil media in side the plastic box. Fourteen days-old seedling were submerged in water for 5 days and then return to normal condition for recovery. Parameters being observed included seedling dry weight, shoot carbohydrate, and leaves chlorophyl which were measured after 10 days of recovery. Seedling height was measured once a week from 2nd to 4th week. Results showed that intolerant genotypes to submergence stress grew faster but seedling dry weight, shoot carbohydrate and leaves chlorophyll content were lower compared to those tolerant genotypes. Local and national varieties which were not tolerant to submergence stress could be improved by priming treatment with 5.0mM zinc.Keywords: abiotic-stress, seeds- priming
Morfofisiologi Ratun Padi Sistem Tanam Benih Langsung di Lahan Pasang Surut Mareza, Evriani; Djafar, Zainal Ridho; Suwignyo, Rujito Agus; Wijaya, dan Andi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 44 No. 3 (2016): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.004 KB) | DOI: 10.24831/jai.v44i3.12908

Abstract

ABSTRACTThe morphophysiology of ratoon is different from the main plant of rice and was influenced by location and cultivation.This research was intended to evaluate morphophysiology characters of rice ratoon planted by direct seeding system in tidal swamp at various stubble cutting height. The experiment was conducted in November 2013-April 2014 at tidal swamp overflow type B in Telang Sari Village, District of Tanjung Lago, Banyuasin, South Sumatra Province. The experiment used randomized block design with 5 replications. Treatment was stubble cutting height 10, 20, 30, 40 and 50 cm above the soil surface. Rice was planted at 4 m x 5 m plot, the distance between plot 1 m. Data were analyzed by test of variance and 5% HSD test. Morphophysiological characters of rice ratoon were influenced by stubble cutting height. Cutting height of 20-40 cm above soil surface increased the ratoon number of tillers per hill, leaf area per hill, dry weight per hill, percentage of empty grains per panicle, grain weight per hill and percentage ratoon/main crop production per hill. The higher stubble cutting, the lower the number of leaves per tiller, leaf area per tiller, carbohydrate content, and number of grains per panicle of ratoon, however it accelerated age of flowering and harvesting. Keywords: direct seeding system, ratoon system, rice growth and production, stubble cutting height
THE CRAB SILVOFISHERY SYSTEM AS A CONSERVATION STRATEGY IN MANGROVE RESTORATION AREA: A CASE STUDY ON THE COAST OF BANYUASIN, SOUTH SUMATRA Apriyanto, Apriyanto; Suwignyo, Rujito Agus; Ulqodry, Tengku Zia; Sarno, Sarno; Aryawati, Riris; Muhtadi, Muhtadi; Purnomo, Herry; Okarda, Beni
Journal of Environmental Science and Sustainable Development Vol. 8, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Anthropogenic activities such as logging and converting mangrove forests into plantations have degraded coastal ecosystems and reduced their ecological stability. Silvofishery is a restoration system that balances the ecological and economic functions of mangroves. In Marga Sungsang Village, South Sumatra, mangrove restoration was integrated with mud crab (Scylla spp.) cultivation through a crab silvofishery system. This study aimed to analyze the contribution of mangrove restoration with a mud crab silvofishery system to mud crab growth. The study was conducted from August 2024 to January 2025. Growth parameters included carapace length, width, and body weight. Analyses covered absolute growth and the correlation between carapace width and body weight. Results showed that in non-mangrove ponds, Scylla tranquebarica males exhibited negative allometry (prominent carapace width), while females showed positive allometry (prominent body weight). Scylla paramamosain showed negative allometry in both sexes. In contrast, in mangrove ponds, both species showed positive allometry for both sexes, indicating higher weight gain. These findings suggest that mangrove vegetation provides optimal habitat conditions by increasing nutrient availability, protecting crabs during molting, and improving substrate quality. The results not only demonstrate the bioecological relationship between mangrove vegetation and mangrove crab growth but also highlight the role of crab silvofishery systems in supporting food security, mitigating climate change, and conserving coastal ecosystems. These results align with the Sustainable Development Goals (SDGs), specifically goal 2 (end hunger, achieve food security and improved nutrition, and promote sustainable agriculture), goal 13 (climate action), and goal 14 (life below water). Although informative, this study was limited by temporal observations conducted only at the start of seed stocking and at harvest. Further research with continuous monitoring and environmental parameter analysis is needed. The findings can support mangrove restoration policies that integrate vegetation recovery with sustainable community-based aquaculture and promote blue economy development.
Co-Authors , Munandar Andi Wijaya ANDI WIJAYA Andi Wijaya Andi Wijaya Apriyanto, Apriyanto Ardiyan Saptawan Asmawati Asmawati Astuti Kurnianingsih Damayanti, Rosa Daniel Happy Putra Deni Priatna Priatna Dr. Susilawati Susilawati Dwi Putro Priadi Entis Sutisna Halimi Evriani Mareza, Evriani Fauziyah Firdaus Sulaiman, Firdaus Fitra, Mahturai Rian Fitri Ramadhani Gribaldi Gribaldi Habibulloh, Habibulloh Hasmeda, Mery Hermialingga, Septi Herry Purnomo Hesty Sihombing I. Rahmawati Irmawati Irmawati Irmawati Irmawati Jati, Winggi Anggun M. Umar Harun M. Umar Harun Marlina Marlina Maulidya, Azzah Mery Hasmeda Mery Hasmeda Moh Rasyid Ridho Muhardiyanto, Cahya Muhtadi Muhtadi Munandar Munandar Munandar Munandar Okarda, Beni Oktatora, Emilia Priatna, Deni Priatna Putranto, Dinar DA. Putri, Sheila Izdihar Hendra Riris Aryawati Risna rusdan Sarno Sarno Sarno Sarno Sefrila, Marlin Septi Hermialingga Septi Hermialingga Sopiana, Rina Sulaiman Sulaiman Susilawati, Susilawati Tengku Zia Ulqodry Tengku Zia Ulqodry Umar Harun, Umar Vina Fitriana Wijaya Mardiansyah, Wijaya Wijaya, dan Andi Zaidan Panji Negara Zainal Ridho Djafar Zainal Ridho Djafar Zulkifli Dahlan