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All Journal Indonesian Journal of Geography Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Journal of Environmental Science and Sustainable Development Farmers: Journal of Community Services
Budiman, Subhan Arif
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Energy Engineering Environmental Science Social Sciences Other

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Land suitability for chili on the slopes of Raung Indonesia, towards sustainable agriculture Basuki, Basuki; Setiawati, Tri Candra; Hermiyanto, Bambang; Budiman, Subhan Arif; Sari, Vega Kartika
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9385

Abstract

Red chili consumption in Indonesia is recorded to increase by 6.78% or 40.42 thousand tons in 2024 from 1,650.75 thousand tons in 2022, while productivity in 2025 is projected to increase by 6.78%, while chili productivity in 2024 is 1,386.45 thousand tons. 37% of the land area in the Kesambi Sub-watershed is marginal and has potential for horticultural cultivation. The research aims to align land and chili cultivation management on the slopes of Mount Raung, Indonesia, toward sustainable agriculture and national food self-sufficiency. The method used is through data collection, both laboratory data and land biophysical data that are adjusted to match the suitability with plant growth requirements. The results of the study showed that the actual land suitability of red chili plants at 78.87% or 2,558.48 ha was dominated by the marginally suitable class (S3), and 21.13% or 685.58 ha were in the unsuitable category (N), with the most inhibiting factors being erosion hazards, nutrient retention, and air availability. Efforts to improve land quality to produce optimal production for crop achievement through the addition of agricultural fertilizers such as NPK, the provision of organic matter and dolomite, and slope improvement by making “gulud” terraces or providing mulch so that the potential land was achieved to 67.11% or 2,177.01 ha dominated by class S3, 21.13% or 685.58 ha were categorized as unsuitable class (N), and 11.76% or 381.47 ha were categorized as quite suitable class (S2).
Analysis of soil quality in various land uses in the Central Rembangan micro-watershed, Indonesia Hermiyanto, Bambang; Budiman, Subhan Arif; Basuki, Basuki; Hafizh, Muhammad; Maharani, Marcellia; Hadi, Syamsul
Journal of Degraded and Mining Lands Management Vol. 13 No. 3 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.133.10333

Abstract

Land degradation due to land use change threatens soil quality and watershed function in Java, Indonesia. This study aimed to evaluate soil quality across various land-use types in the Central Rembangan micro-watershed, East Java, Indonesia, using the Soil Quality Index (SQI) approach based on Principal Component Analysis (PCA). Soil samples were collected from 18 Land Mapping Units (LMUs). The LMU represents a combination of three types of land use, namely rice fields, plantations, and dryland agriculture. The LMU includes six slope classes, namely 0-3%, 3-8%, 8-15%, 15-25%, 25-40%, and >40%. The PCA analysis identified nine key indicators as the Minimum Data Set (MDS). These indicators include soil porosity, permeability, total nitrogen, exchangeable Mg, C/N ratio, soil pH, particle specific gravity, electrical conductivity (EC), and cation exchange capacity (CEC). The SQI value ranges from 0.50 to 0.77. The SQI value shows a significant difference between land use types at p<0.10. The rice field system has the highest SQI value of 0.68±0.09. The plantation system has an SQI value of 0.61±0.06. The dryland agricultural system has an SQI value of 0.57±0.09. Spatial analysis showed that 60% of micro-watershed areas have good soil quality. The good soil quality areas are located in the upstream part which is dominated by forest and plantations. As many as 40% of micro-watershed areas have moderate soil quality. Soil porosity and soil permeability are major contributors to soil quality in all types of land use.
The evaluation of land use cover changes through the composite approach of Landsat 8 and the land use capability index for the Bedadung watershed Basuki, Basuki; Hermiyanto, Bambang; Budiman, Subhan Arif; Alfarisy, Fariz Kustiawan
Journal of Degraded and Mining Lands Management Vol. 10 No. 4 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.104.4659

Abstract

Land use changes become a problem that contributes to the decline in the watershed function and performance. Bedadung watershed divides Jember Regency, which has upstream from Mount Raung and a downstream Indonesian Ocean. During the last ten years in Jember, there has been a flood from the overflow of the Bedadung river, which is unable to accommodate water from upstream. It is alleged that the cause of flooding in upstream of the Bedadung watershed is land cover and land capability that has changed. The purpose of this study was to assess land use changes using a composite approach to Landsat 8 imagery and land capability index for the upstream of the Bedadung watershed. The results showed that land cover of the Kesambi sub-watershed during 1995-2020, forest decreased by 34.74%, settlements and open land decreased by 47.25%, dry land increased by 120%, while plantations and rainfed rice fields were fixed. The decrease in forest area can disrupt the water cycle, thereby increasing runoff volume and water discharge, causing flooding downstream of the Bedadung watershed and upstream of the Bedadung watershed. Land capability evaluation of the upstream of Kesambi sub-watershed, area of Bedadung watershed was mostly in class III, covering 5782.9 hectares (85.53%), class IV covering 214.8 hectares (3.18%), class VI covering 379.7 hectares (5.62%), and class VII covering 383.9 hectares (5.68%) with limiting factors of effective soil depth, land slope/slope, erosion sensitivity, and drainage. Areas with class III land capability covering land mapping units 1, 2, 3, 6, and 7 can be utilized as agricultural with good conservation technology, while land mapping units 4.5, and 8 are only capable for forest areas.
Peningkatan Pengetahuan dan Keterampilan Kelompok Tani Kampung Proklim melalui Pelatihan Pembuatan Plant Growth Promoting Rhizobacteria (PGPR) dan Pupuk Organik Cair (POC) Berbasis Limbah Jerami Padi di Desa Suci, Kabupaten Jember Ihsannudin, Ihsannudin; Budiman, Subhan Arif; Galuh, Senki Desta; Faidah, Ainun; Setiawati, Beta Rianul; Angelia, Ade Angelia Maizul; Putri, Dessy Melia Eka
Farmers : Journal of Community Services Vol 7, No 2 (2026): Farmers: Journal of Community Services
Publisher : Unpad Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/fjcs.v7i2.72308

Abstract

Perubahan iklim dan penggunaan pupuk anorganik secara terus-menerus mendorong perlunya penerapan teknologi budidaya yang lebih ramah lingkungan dan berkelanjutan. Salah satu upaya yang dapat dilakukan adalah memanfaatkan limbah jerami padi menjadi Pupuk Organik Cair (POC) serta mengembangkan Plant Growth-Promoting Rhizobacteria (PGPR) sebagai alternatif input pertanian. Kegiatan pengabdian ini dilaksanakan pada Kelompok Tani Tani Harapan di Desa Suci, Kabupaten Jember, dengan tujuan meningkatkan pengetahuan dan keterampilan petani dalam pembuatan serta pemanfaatan POC dan PGPR. Metode yang digunakan meliputi penyuluhan, demonstrasi, praktik langsung, serta evaluasi melalui pre-test dan post-test yang dianalisis secara deskriptif dan menggunakan uji Wilcoxon Signed-Rank. Selama kegiatan, peserta menunjukkan antusiasme yang tinggi dan terlibat aktif dalam setiap tahapan pelatihan. Hasil evaluasi menunjukkan adanya peningkatan pengetahuan pada seluruh materi yang diberikan, terutama mengenai proses pembuatan, fungsi, dan aplikasi PGPR maupun POC. Analisis statistik juga menunjukkan bahwa peningkatan tersebut signifikan (p < 0,05). Kegiatan ini tidak hanya meningkatkan kapasitas petani dalam memanfaatkan limbah jerami padi sebagai input pertanian yang bernilai tambah, tetapi juga mendukung penerapan pertanian berkelanjutan melalui pemanfaatan sumber daya lokal dan pengurangan ketergantungan terhadap pupuk anorganik.
LAND CONVERSION, FOOD SECURITY, AND DEFORESTATION IN INDONESIA: EVIDENCE FROM FARMER-LEVEL DECISIONS Rondhi, Mohammad; Yanuarti, Rizky; Suwandari, Anik; Aji, Joni Murti Mulyo; Rokhani, Rokhani; Kuntadi, Ebban Bagus; Budiman, Subhan Arif; Mori, Yasuhiro; Kondo, Takumi; Srisompun, Orawan
Journal of Environmental Science and Sustainable Development Vol. 9, No. 1
Publisher : UI Scholars Hub

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

Abstract

Agricultural land conversion (ALC) creates a dual sustainability challenge: the loss of productive farmland to urban expansion and the conversion of forested land into new agricultural areas. Farmland loss may reduce food production capacity, while forest conversion for agriculture may increase environmental degradation. These facts create a structural policy dilemma for Indonesia: safeguarding food security while simultaneously preventing deforestation. This study examines the patterns and drivers of land conversion in Indonesia over the past decade, with a focus on its implications for food security and deforestation. Using Indonesian Farmers Income Survey (Survei Pendapatan Petani, SPP) from 2004 (n = 316,669) and 2014 (n = 415,874), where the unit of analysis is the agricultural household, descriptive analysis and logistic regression were employed to explore the determinants of land conversion decisions. In this study, a land conversion decision is defined as any change in land-use status initiated by the household, which encompasses both the conversion of existing agricultural land to non-agricultural purposes and the expansion into new agricultural land from non-agricultural or forested areas. Land tenure, income, education, gender, and market access significantly influence land conversion decisions. More importantly, the results reveal a distinct regional duality: farmland conversion to non-agricultural uses is concentrated in Java, whereas agricultural expansion into forested areas is more prevalent outside Java. This duality highlights the contrasting land-use pressures faced by densely populated urban areas and sparsely populated rural regions, indicating that Indonesia faces two different land-use policy problems: protecting the remaining farmland in Java and preventing agricultural expansion into forested landscapes outside Java. These findings demonstrate that land conversion in Indonesia follows distinct regional pathways that generate different food security and deforestation risks. Consequently, region-specific land-use policies are needed to protect productive farmland in Java while reducing pressure on forest ecosystems outside Java.
Co-Authors Abdillah, Moc. Reza Wahyu Alfarisy, Fariz Kustiawan Andang Subaharianto Angelia, Ade Angelia Maizul Anik Suwandari Aryo Fajar Sunartomo Avenido, Cheska Andrea C Basuki , Desta, Senki Dwi Fitri Yudiantoro Ebban Bagus Kuntadi Faidah, Ainun Hermiyanto, Bambang Ika Purnamasari Joni Murti Mulyo Aji Kustianto, Muhammad Aldian Dwi Laily Mutmainnah Lenny Luthfiyah Maharani, Marcellia Mandala, Marga Maulia, Dina Mohammad Nurcholis, Mohammad Mohammad Rondhi Muhammad Hafizh Panapanaan, Ansherine M Putri, Dessy Melia Eka Regar, Arthur FC Ristiyana, Suci Rokhani Rokhani Rosyady, Muhammad Ghufron Safitri, Mahardika Setiawati, Beta Rianul Setiawati, Tri Candra Srisompun, Orawan Syamsul Hadi Takumi Kondo, Takumi Tika, Sukma Agustin Dyan Tri Wahyu Saputra Vega Kartika Sari Vivi Fitriani Yagus Wijayanto Yanuarti, Rizky Yasuhiro Mori, Yasuhiro