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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Sri Hafnida Ritonga
Universitas Islam Sumatera Utara
Agriculture, Biological Sciences & Forestry Humanities Education Engineering Languange, Linguistic, Communication & Media Mathematics Other

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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.
Perlindungan Hukum Ketenagakerjaan Bagi Petani Terdampak Perubahan Iklim Di Desa Agroekoedutourism Dalam Perspektif Keadilan Iklim: Pengabdian Safrida; Nurhayati; Satrio Joko Wibowo; Sri Hafnida Ritonga; Elisabeth Sitepu; Mhd. Rizwan
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 5 No. 1 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 5 Nomor 1 (Juli 2026 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v5i1.7296

Abstract

Artikel ini mengkaji persoalan perlindungan hukum ketenagakerjaan bagi petani yang terdampak perubahan iklim di Desa Agroekoedutourism, dengan menempatkan isu tersebut dalam kerangka keadilan iklim (climate justice). Penulis berangkat dari kenyataan bahwa perubahan iklim berupa pergeseran pola curah hujan, kekeringan berkepanjangan, banjir, dan cuaca ekstrem telah mengganggu produktivitas pertanian dan mengancam keberlanjutan pekerjaan petani, sementara regulasi ketenagakerjaan yang ada masih berorientasi pada hubungan kerja formal sehingga belum menjangkau kerentanan khas yang dialami petani. Dengan metode penelitian hukum normatif, artikel ini menganalisis bahan hukum primer, sekunder, dan tersier untuk menilai kesesuaian regulasi yang berlaku dengan prinsip keadilan iklim. Hasil kajian menunjukkan bahwa kerangka hukum perlindungan ketenagakerjaan bagi petani masih parsial dan sektoral, sehingga penulis merekonstruksi model perlindungan hukum berbasis empat pilar, yaitu pilar preventif, adaptif, sosial, dan partisipatif, guna mewujudkan ketahanan kerja dan kesejahteraan petani secara berkelanjutan.
Co-Authors Elisabeth Sitepu Indra Gunawan Mhd. Rizwan Nurhayati Nurhayati Nurhayati Rahmi Dwi Handayani Rambe Safrida Satrio Joko Wibowo Wanda Saputra