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All Journal Agromet Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Jurnal Sosial Ekonomi Pertanian Jurnal Sumberdaya Lahan JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Sumberdaya Lahan Jurnal Tanah dan Iklim
Yiyi Sulaeman
Balai Besar Penelitian Dan Pengembangan Sumberdaya Lahan Pertanian, Jl. Tentara Pelajar No. 12, Cimanggu, Bogor 16114.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Social Sciences

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Integrated rice husk biochar and compost to improve acid sulfate soil properties and corn growth Maharani, Puspita Harum; Maftu'ah, Eni; Sulaeman, Yiyi; Napisah, Khairatun; Masganti, Masganti; Mukhlis, Mukhlis; Anwar, Khairil; Ningsih, Rina Dirgahayu; Chairuman, Novia
Journal of Degraded and Mining Lands Management Vol. 12 No. 4 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.124.8097

Abstract

Acid sulfate soils are of poor quality and characterized by extreme acidity, nutrient deficiency, and high Al and Fe toxicity. Developing soil amendments from local resources is crucial to reduce input costs. This study investigated the effect of the integrated soil amendments (biochar, compost, and lime) on corn growth and the acid sulfate soil quality. Using randomized block design, this study tested nine type soil amendments, namely A (100% rice husk ash), B (100% rice husk biochar), C (100% compost), D (100% dolomite), H (100% humate), ACD (30% rice husk ash + 30% compost + 40% dolomite), BCD (30% rice husk biochar + 30% compost + 40% dolomite), AHD (30% rice husk ash + 30% humate + 40% dolomite), BHD (30% rice husk biochar+30% humate+40% dolomite), and control (no amendment). The application of soil amendments significantly increased soil pH (31%), available P (310%), reduced exchangeable Al (19%), and increased corn growth (163%). The BCD amendment type increased available phosphorus from 10 to 43 mg kg-1, reduced exchangeable Al from 3.45 to 2.01 cmol(+) kg-1, and enhanced corn growth and leaves' P level. Integrating rice husk biochar and compost could reduce the need for agricultural lime, improve acid sulfate soil quality, and enhance land productivity. This combination has the potential to be an effective soil amendment for degraded acid sulfate soils, thereby further boosting land productivity and promoting agricultural sustainability.
IDENTIFIKASI LAHAN KRITIS SKALA 1:25.000 BERBASIS CITRA SENTINEL 2 DAN DEMNAS RESOLUSI 8 METER (STUDI KASUS SUB DAS CIKAPUNDUNG JAWA BARAT) Zachrani, Annindya Ovieta; Rayes, Mochtar Luthfi; Sulaeman, Yiyi
Jurnal Tanah dan Sumberdaya Lahan Vol. 11 No. 2 (2024)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2024.011.2.4

Abstract

Critical land is a condition of land that is no longer able to carry out its functions properly because it has experienced physical, chemical, and biological damage. One area that has the potential to experience critical land problems is the Cikapundung Sub-watershed, West Java. This research aims to identify the existence of critical land in the Cikapundung Sub-watershed area by integrating the Geographic Information System, Sentinel-2 Imagery, and DEMNAS as well as mapping the distribution of land criticality levels in the Cikapundung Sub-watershed at a detailed scale (1:25,000). The research was carried out from May to August 2023. The research was carried out using spatial analysis methods by overlaying thematic maps of each critical land parameter consisting of maps of land cover, erosion, and slope. The results of overlaying all critical land parameter maps were then analyzed using a scoring method to classify the level of land criticality and create a critical land distribution map in the Cikapundung Sub-watershed area. The results of identifying critical land in the Cikapundung Sub-watershed area produced five classes of land criticality, namely uncritical, potentially critical, rather critical, critical, and very critical. The identification results show that there are 4210.94 ha (13.83%) of land identified as critical land in the Cikapundung Sub-watershed area. The results of mapping the level of land criticality in the Cikapundung Sub-watershed show that the Cikapundung Sub-watershed area which is included in the forest area is dominated by the moderately critical land criticality class, while the Cikapundung Sub-watershed area which is outside the forest area is dominated by the uncritical land criticality class.
Characteristics and utilization of black soils in Indonesia Sulaeman, Yiyi; Sukarman, Sukarman; Neswati, Risma; Nurdin, Nurdin; Basuki, Tony
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 1 (2023): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i1.70343

Abstract

Black soils store a high amount of soil organic carbon (SOC) and play a crucial role in climate change, food security, and land degradation neutrality. However, data and information regarding black soils in tropical regions, including Indonesia, are limited. This study aimed to characterize and identify the utilization of black soils in Indonesia based on legacy soil survey data.  We collated 142 soil pedon samples of Mollisols from articles, technical reports, and existing datasets. The site information (site position, elevation, land use type, parent material) and selected physicochemical properties were stored in a spreadsheet, from which exploratory data analysis was conducted.  The result showed that the median SOC content was 1.53%, ranging from 0.6 to 8.2 %; cation exchange capacity was 30 cmol kg-1, ranging from 9 to 95 cmol kg-1; base saturation was 87%, ranging from 11 to 100 %; and bulk density was 1.21 g cm-3, ranging from 1.13 to 1.36 g cm-3. Other soil characteristics (particle size distribution, exchangeable bases, pH, pore, and water retention) varied with horizon type and land use/land cover. The black soils have been used for paddy fields, dryland farming, and gardens with low management intensity. Main cultivated crops include rice (Oryza sativa), corn (Zea mays), cassava (Manihot esculenta), sweet potato (Ipomoea batatas), and nutmeg (Myristica fragrans), clove (Syzygium aromaticum), coconut (Cocos nucifera), and cocoa (Theobroma cocoa).  Threats to black soil functions include soil erosion, carbon loss, and nutrient imbalance. Soil and water conservation measures, integrated soil nutrient management, and agroforestry are among the best land management practices for black soils.
A technology package to improve growth and yield of sweet sorghum in ex-coal mining land, East Kalimantan, Indonesia Munawwarah, Tarbiyatul; Sulaeman, Yiyi
Journal of Degraded and Mining Lands Management Vol. 10 No. 2 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.102.4281

Abstract

Huge ex-coal mining land provides the soil for crop development, yet soil improvement is required. Fertilizer and soil organic matter application and liming are standard practices to improve soil productivity. The integrated crop and land management (ICLM) package offers alternative technology to increase growth and crop yield. This study aimed to evaluate an ICLM technological package to improve sweet sorghum growth and production in the ex-coal mining land. The sweet sorghum of Bioguma 1 Agritan variety was used as the indicator crop. The ICLM was composed of mixed organic fertilizers (1,000 kg granule organic fertilizer ha-1, 10 kg Procal soil amendment ha-1, 10 kg Kayabio biofertilizer ha-1, and 5 kg NPK fertilizer    ha-1), mixed inorganic fertilizers (300 kg NPK ha-1, 50 kg Urea ha-1, 10 kg Procal soil amendment ha-1, and 10 kg Kayabio biofertilizer ha-1), and local bio-activators. The field trial used a group-randomized design with four frequencies of bio-activator application and five replications. Mixed organic fertilizer was used to cover the planting holes, where previously, the seed was soaked by a bio-activator and put into holes. The mixed fertilizer was applied to a 14-day-old plant using the hole punch method (tugal). Results of this study showed that local bio-activator significantly affected the sorghum growth and yield. The best frequency of bio-activator application was three times spraying. ICLM are prospective technology to improve soil condition, crop growth, and crop yield in ex-coal mining land.
Biochar for sustainable rehabilitation of degraded lands: Mechanisms, applications, environmental benefits, and future perspectives Maftu’ah, Eni; Maharani, Puspita Harum; Sulaeman, Yiyi; Mukhlis, Mukhlis; Napisah, Khairatun; Hairani, Anna; Ningsih, Rina D.; Sunardi, Sunardi; Utami, Sri Nuryani H.; Siswadi, Siswadi
Journal of Degraded and Mining Lands Management Vol. 13 No. 4 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.134.11313

Abstract

Land degradation poses a growing global environmental concern that threatens soil productivity, ecosystem services, biodiversity, and climate resilience. Biochar is generated by thermochemically processing biomass in an oxygen-restricted environment and is a viable nature-based solution for soil degradation and sustainable land management. This review synthesizes recent knowledge on the qualities of biomass-derived biochar, mechanisms for improving soil properties, and its application in different degraded lands, including mine-degraded lands, peatlands, saline and sodic soils, drylands, and eroded agricultural lands. Biochar enhances soil quality and contributes to restoring ecosystems through improved soil aggregation, water and nutrient storage, enhanced cation exchange capacity, soil pH and microbial functioning, and by reducing soil acidity and bioavailability of toxic substances. Furthermore, the use of agricultural and forest residues as feedstock for biochar production helps maintain carbon in the soil over extended periods, reduces greenhouse gases, improves water quality, and supports a circular bioeconomy. However, biochar performance is influenced by several factors, including feedstock characteristics and pyrolysis conditions, soil properties, and environmental considerations. Economic feasibility, quality standardization, and governmental support remain major concerns. The review emphasizes the various functions of biochar in the reclamation of degraded lands and indicates the future research needs to foster sustainable land management and climate change mitigation.
Co-Authors . HIKMATULLAH Ahmad Nirwan Aldo Holyman Anna Hairani B. MINASNY Baba Barus Basuki, Tony Budi Mulyanto Cahyana, Destika D Djaenudin Darmawan Debora Kana Hau Dedi Nursyamsi deRosari, Bernard Destika Cahyana Eloise Mason Elsa Almalia Eni Dwi Wahjunie Eni Maftuah Geru, Apolinaris S Ginanjar Ika Septiawan HUSEIN SUGANDA Husnain Husnain Jacob Nulik Khairil Anwar Kukuh Murtilaksono Kusumo Nugroho M Giri Wibisono M Noor Maftu'ah, Eni Maftu’ah, Eni Maharani, Puspita Harum MAMAT H.S MAMAT H.S Mas Teddy Sutriadi Masganti Masganti Masganti Masganti Masganti Masganti Mochammad Munir Mochtar Luthfi Rayes Muhammad Noor Mukhlis Mukhlis Munawwarah, Tarbiyatul Napisah, Khairatun Ningsih, Rina Dirgahayu Novia Chairuman Nurdin . Nurhayati Nurhayati Nurwakhid Nurwakhid Rina D. Ningsih Risma Neswati, Risma Ropik S. S Soemarno Saefoel Bachri Siswadi Siswadi Sri Nuryani Hidayah Utami Sukarman Sukarman Sukarman Sukarman Sunardi Sunardi Utami, Sri Nuryani H. Vicca K Wahida Annisa Yusuf Yanti Rina Darsani Zachrani, Annindya Ovieta