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All Journal Jurnal Pertanian Terpadu Jurnal Ilmu Peternakan Terapan Journal of Agriprecision & Social Impact
Muhammad Rizki Fadillah
Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Immunology & microbiology Social Sciences Veterinary

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Pertumbuhan dan Produksi Siratro (Macroptilium atropurpureum) Bermikoriza yang Diberi Mikroorganisme Lokal Pada Tanah Topsoil dan Tanah Overburden Fadillah, Muhammad Rizki; Daru, Taufan Purwokusumaning; Mayulu, Hamdi; Safitri, Apdila; Ardiansyah, Ardiansyah
Jurnal Pertanian Terpadu Vol 13 No 2 (2025): Jurnal Pertanian Terpadu Jilid XIII Nomor 2 Desember 2025
Publisher : Sekolah Tinggi Pertanian Kutai Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36084/jpt..v13i2.687

Abstract

Efforts to develop livestock in East Kalimantan can be carried out by utilizing post-coal mining land. However, the low level of soil fertility and the limited availability of topsoil as a cover soil on post-mining land are constraints that must be considered. Efforts that can be made include planting mycorrhizal cover crops and applying local microorganism-based organic fertilizers (MOL). The experiment was conducted by planting mycorrhizal legume seeds (Siratro) on topsoil and overburden soil placed in 10 kg polybags. Each type of soil was supplemented with local microorganisms (MOL) at concentrations of 0 mL, 10 mL, 20 mL, and 30 mL per litre of water. The experimental results showed that soil type influenced plant height, but both soil type and MOL concentration influenced the fresh weight and dry weight of Siratro plant crowns, as well as VAM root colonization, where higher MOL concentrations reduced Siratro crown production. Root colonization by VAM with increasing MOL concentration in topsoil showed a negative effect, where higher MOL concentrations resulted in lower VAM colonization on plant roots. Conversely, in overburden soil, increasing MOL concentration could increase VAM colonization.
Adaptation of Tropical Forage Grasses to Moderate Shade in Coal Mine Reclamation Systems Purwokusumaning Daru, Taufan; Ardhani, Fikri; Mayulu, Hamdi; Ardiansyah, Ardiansyah; Fadillah, Muhammad Rizki; Maulida, Septiana
Journal of Agriprecision & Social Impact Vol. 3 No. 1 (2026): March: JAPSI (Journal of Agriprecision & Social Impact)
Publisher : CV. Komunitas Dunia Peternakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62793/japsi.v3i1.103

Abstract

Coal mining activities in East Kalimantan have significantly contributed to regional economic development, but they have also resulted in extensive land degradation that requires effective reclamation strategies. The integration of forage crops in reclaimed mine lands offers an opportunity to simultaneously support ecological restoration and livestock production. However, the performance of forage grasses under shaded conditions created by revegetation trees remains insufficiently understood. This study aimed to evaluate the physiological responses, morphological characteristics, and nutritional quality of two forage grass species, Brachiaria humidicola and Stenotaphrum secundatum, grown under shaded conditions on reclaimed coal mine land. The experiment was conducted at the PT Kitadin Embalut reclamation site, East Kalimantan, using a split-plot design with two shading levels (0% and 50%) as the main plots and two grass species as subplots. Each treatment was replicated six times. Variables measured included dry matter yield, leaf-to-stem ratio, chlorophyll content (a, b, and total), crude protein, and crude fiber content. The results showed that a 50% shading level significantly influenced physiological and morphological responses of the grasses. Stenotaphrum secundatum exhibited a marked increase in chlorophyll content under shaded conditions, indicating a stronger acclimation to low light environments compared with Brachiaria humidicola. Shading also reduced the leaf-to-stem ratio in both species. However, dry matter production was not significantly affected by shading, suggesting that both grasses were able to maintain biomass accumulation under moderate shade conditions. Shading slightly reduced crude protein and crude fiber contents.
Growth performance and production efficiency of indigenous chickens in different dietary of protein levels and rearing duration Rizkuna, Akhmat; Fajrih, Nurul; Aldiyanti, Amani; Yusuf, Roosena; Fadillah, Muhammad Rizki
Jurnal Ilmu Peternakan Terapan Vol 9 No 2 (2026): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jipt.v9i2.6502

Abstract

Feed cost represents the largest component of poultry production, making feed efficiency a key determinant of economic sustainability. Indigenous chickens are economically and culturally important but exhibit relatively slow growth and suboptimal feed utilization. This study evaluated the effects of different dietary protein regimens on growth performance of indigenous chickens, focusing on feed conversion ratio (FCR), feed efficiency (FE), and performance index (PI). A total of 168 day-old chicks were reared for 10 weeks in a completely randomized design (four treatments, six replicates). The treatments consisted of: T0 (22% crude protein for 3 weeks followed by 15% for 7 weeks), T1 (18% for 4 weeks followed by 16% for 6 weeks), T2 (18% for 2 weeks, 16% for 4 weeks, and 14% for 4 weeks), and T3 (18% for 3 weeks, 16% for 3 weeks, and 14% for 4 weeks). Dietary protein level significantly affected FCR and FE (P<0.05). T0 produced the lowest FCR (3.35) and highest FE (37.20%), whereas T2 and T3 showed higher FCR values (4.47) and lower FE (25–28%). Results indicate that adequate protein supply during the starter phase is critical to long-term feed efficiency. Diets with balanced protein levels and appropriate energy–protein ratios improve nutrient utilization and overall production performance in indigenous chickens.
Co-Authors Akhmat Rizkuna Amani Aldiyanti ARDIANSYAH ARDIANSYAH Fajrih, Nurul Fikri Ardhani Hamdi Mayulu Maulida, Septiana Roosena Yusuf, Roosena Safitri, Apdila Taufan Purwokusumaning Daru, Taufan Purwokusumaning