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All Journal JURNAL AGRILAND Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Penelitian Kelapa Sawit Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Pengabdian Mitra Masyarakat
Rahmi Dwi Handayani Rambe
Universitas Islam Sumatera Utara
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics

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Comparative Effectiveness of Organic Fertilizer Types on Soybean Growth, Yield, and Soil Health in Sustainable Cultivation Systems Indra Gunawan; Rahmi Dwi Handayani Rambe; Wanda Saputra; Nurhayati Nurhayati; Sri Hafnida Ritonga
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 6 (2025): December 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i6.2338-2347

Abstract

Limitations in productivity and adverse impacts of chemical fertilizers highlight the need for sustainable solutions in soybean cultivation in Indonesia. This study aims to evaluate the effectiveness of organic fertilizers as an alternative to chemical fertilizers in sustainable agriculture-based soybean cultivation. The experimental method employed a Completely Randomized Design (CRD) with six treatments: control (no fertilizer), chemical fertilizer, goat manure, compost, biochar, and a combination of POC + compost. The parameters observed included plant height, number of effective root nodules, yield components (number of pods, weight of 100 seeds, yield per polybag), as well as changes in soil chemistry after harvest. The results showed that the treatment of goat manure (P2) and a combination of POC + compost (P5) gave the best results in improving soybean growth and yield. Both also showed significant improvements in soil pH, C-organic content, total nitrogen, and availability of P and K. In addition to increasing crop yields, organic fertilizers have also been proven to support increased soil microbial activity through the formation of effective root nodules. Thus, organic fertilizers have proven to be an effective and environmentally friendly alternative in replacing chemical fertilizers. The use of organic fertilizers can promote productive, efficient, and sustainable soybean farming.
Co-Authors Budi, Rahmad Setia Chairani Siregar Dedi Kusbiantoro Indra Gunawan Mahyuddin Dalimunthe Mhd. Nuh Mindalisma Mindalisma Muhammad Hafizh Nudia Yultisa Nurhayati Nurhayati Rahmat Yusril Mahendra Sri Hafnida Ritonga Syamsafitri Syamsafitri Tubagus Hutriadi Wanda Saputra Yayuk Purwaningrum Yenni Asbur