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All Journal Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian Jurnal Biologi Tropis JURNAL PERTANIAN PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Agroteknika Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Dikdimas : Jurnal Pengabdian Kepada Masyarakat
Noviyanto, Amir
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences Veterinary

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Empowering the Giri Muda Farmers Group through Biochar Production Training from Agricultural Waste in Ponjong, Gunungkidul Bimantio, Mohammad Prasanto; Noviyanto, Amir; Jaya, Galang Indra
DIKDIMAS : Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 3 (2025): DIKDIMAS : JURNAL PENGABDIAN KEPADA MASYARAKAT VOL 4 NO 3 DESEMBER 2025
Publisher : Asosiasi Profesi Multimedia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/dikdimas.v4i3.545

Abstract

Background: The agricultural areas of Ponjong, Gunungkidul, are dominated by marginal drylands with low soil fertility and organic matter content. Farmers often rely on chemical fertilizers and open burning of crop residues, leading to soil degradation and environmental pollution. Biochar technology offers an eco-friendly solution to improve soil health and reduce waste.Aims: This study aims to strengthen the capacity of the Giri Muda Farmers Group in producing and applying biochar derived from agricultural waste and promoting sustainable soil management practices through participatory technology transfer.Methods: The program was implemented through participatory stages including preparation, socialization, training, demonstration, and field application. The rotary pyrolysis unit was introduced for efficient biochar production using rice straw and maize stalks as feedstock. Evaluation was conducted using pre- and post-tests, observation, and interviews.Results: Farmers demonstrated a 38% improvement in knowledge scores, and 100% of participants were able to operate the pyrolysis equipment independently. Field trials showed improved soil aggregation, higher moisture retention, and more vigorous maize seedling growth on biochar-amended plots. The farmers also committed to continuing biochar production collectively.Conclusion: The community service program successfully transferred appropriate pyrolysis technology to local farmers, improving soil quality, resource efficiency, and community empowerment. The initiative demonstrates that biochar production from agricultural waste can simultaneously address environmental issues and strengthen rural livelihoods.
Optimization of Biochar Application for Improving Soil Water Holding Capacity Sidiq, Muhamad Fajar; Widyasaputra, Reza; Jaya, Galang Indra; Bimantio, Mohammad Prasanto; Noviyanto, Amir; Jati, Moh Galih Purnama; Prasetyo, Bintang Wahyu; Nugraha, Arief Almuqhori Eka
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11493

Abstract

Water scarcity limits soil productivity, but applying biochar can effectively enhance soil water retention in vulnerable areas. This study evaluated the effects of biochar types and application rates on the maximum moisture content of sandy soils in Gunungkidul, Indonesia. A completely randomized design was used to test rice husk and blotong biochar, alongside raw rice husk and a control, at varying application rates. Maximum soil moisture capacity was experimentally measured to determine treatment efficacy. Results indicated that biochar application significantly influenced soil moisture retention. Among the treatments, a lower application rate of rice husk biochar provided the most substantial improvement in water holding capacity compared to the control. Conversely, higher rates of biochar or the use of raw materials were less effective and, in some cases, reduced water retention. Conclusively, optimizing both the biochar feedstock and its application rate is critical; specific low-dose biochar applications can optimally enhance soil moisture retention, offering a practical strategy for sustainable agricultural management in semi-arid regions.
Quantification of Total Biomass and Carbon Stock in Oil Palm Plantations Based on Compartments: Main Stand and Understory Vegetation Al-faruq, Khoirul Ummah; Yuniasih, Betti; Noviyanto, Amir
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11568

Abstract

Oil palm plantations play a role in carbon storage; however, field-based information on biomass and carbon stock distribution among vegetation compartments remains limited. This study aimed to estimate biomass and carbon stocks of oil palm plantations based on main stand components and understory vegetation across immature (TBM), prime mature (TM Prime), and old mature (TM Old) growth phases. Field measurements were conducted in Central Kalimantan using plot sampling with a planting density of approximately 143 trees ha⁻¹. Main stand biomass was estimated non-destructively using compartment-based allometric equations, while understory biomass was measured destructively. The results showed an increase in biomass from approximately 94 kg tree⁻¹ at the TBM stage to 486–517 kg tree⁻¹ at the TM Prime stage and 495–582 kg tree⁻¹ at the TM Old stage, following a sigmoid growth pattern. Carbon stock was predominantly contributed by the oil palm main stand (5290.59 t C ha⁻¹), whereas understory vegetation contributed only a minor proportion (0.247 t C ha⁻¹). These findings provide transparent empirical data to support greenhouse gas accounting within the Indonesian Sustainable Palm Oil (ISPO) framework.
Co-Authors Al-faruq, Khoirul Ummah Alan Handru Annisa Yusuf, Wahida Avianto, Yovi Bimantio, Mohammad Prasanto Fatturahman Ridwan, Nur Fauzi, Firman Rahmat Galang Indra Jaya Hernowo Hernowo Jajang Agus Sonjaya JAKA WIDADA Jati, Moh Galih Purnama Jaya, Galang Indra Keviana, Agesty Nugraha, Arief Almuqhori Eka Nusantara, Alfonsus Eka Bara Prasetyo, Bintang Wahyu Pratama, Ananta Bayu Putri, Diyona Raharjo, Dedy Tri Reza Widyasaputra Saipul Abbas Sidiq, Muhamad Fajar Sidiq, Muhammad Fajar Sri Nuryani Hidayah Utami Suparyanto, Teddy Valensi Kautsar, Valensi Yuniasih, Betti