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All Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Akta Agrosia Jurnal Silva Tropika Jurnal Pengabdian kepada Masyarakat Nusantara Salus Publica Jurnal Riset Kajian Teknologi dan Lingkungan
Yulfita Farni
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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EVALUASI STATUS UNSUR HARA MAKRO PRIMER DI DESA IBRU KECAMATAN MESTONG KABUPATEN MUARO JAMBI Permata, Winda; Farni, Yulfita; Mastur, Agus Kurniawan; Junedi, Heri; Zuhdi, Mohd
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.15

Abstract

Soil fertility status is a key factor in determining the sustainability and productivity of agricultural systems, especially in areas with acidic soils such as Ultisols and Inceptisols. Land management without accurate nutrient status information can lead to misapplied fertilizers, low input efficiency, and continued soil fertility decline. This study aims to evaluate the status of primary macronutrients nitrogen (N), phosphorus (P), and potassium (K) in Ibru Village, Mestong Subdistrict, Muaro Jambi Regency as a basis for developing recommendations for more appropriate and sustainable land management. The study was conducted using a soil survey method with a 350 × 350 m grid at a 1:25,000 map scale. Land units were determined by overlaying soil texture, slope gradient, and land-use maps, yielding 12 Homogeneous Land Units (SLH) representing shrubland, oil palm, and rubber plantations. Disturbed soil samples were collected at 0–30 cm depth and analyzed for soil pH, organic C, total N, total P, and total K. The results showed that most of the soils were classified as very acidic to acidic (pH 3.82–5.83), with low to high organic C content (1.08–5.18%), low to moderate total N (0.12–0.29%), generally very low total P due to fixation in acidic soil conditions, and total K ranging from very low to high. These findings emphasize the importance of survey-based soil fertility evaluation and homogeneous land units as a basis for site-specific nutrient management.
PENGARUH PEMBERIAN BIOCHAR KULIT KOPI DAN KOTORAN AYAM TERHADAP BEBERAPA SIFAT KIMIA ULTISOL DAN HASIL KACANG TANAH Indriani, Atika; Wiskandar; Farni, Yulfita
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.12

Abstract

Ultisol is a type of soil that has a low pH, high aluminum saturation, and low nutrient content. This study aims to examine the effect of coffee husk biochar and chicken manure on the chemical properties of Ultisol and determine the optimal dose to increase peanut yield. The study used a Randomized Block Design (RBD), with six levels of treatment (B0: Control; B1: 15 t ha-1 Biochar; B2: 10 t ha-1 Biochar + 5 t ha-1 Chicken Manure; B3: 7.5 t ha-1 Biochar + 7.5 t ha-1 Chicken Manure; B4: 5 t ha-1 Biochar + 10 t ha-1 Chicken Manure; B5: 15 t ha-1 Chicken Manure), replicated four times. The observed parameters included soil pH, Organic-C, Available-P, and peanut dry seed yield. The data were analyzed using ANOVA and continued with the Duncan Multiple Range Test (DMRT) at the level of 5%. The results of the study showed that the application of coffee husk biochar and chicken manure had a significant effect on improving the chemical properties of Ultisol, such as increasing soil pH to 5.80 (B4), Organic-C to 3.00% (B2), and increased the Available-P to 35.31 ppm (B4). In addition, in the B3 and B4 treatments, the seed yield increased by 4.20 and 4.22 t ha-1. The recommended optimum dose is a combination of 7.5 t ha-1 of coffee husk biochar and 7.5 t ha-1 of chicken manure (B3).
Co-Authors Anjali, Diwani Asmadi Saad Cory Wulan Endriani Endriani, Endriani Ferry, M Heri Junedi Indriani, Atika Jauhar Khabibi Lisani, Lisani Listyarini , Diah Listyarini, Diah Mastur, Agus Kurniawan Mia Aina Najati, Laila Tsalisa Najla Anwar Fuadi Nova Susanti Noviriani, Selli Permata, Winda Riana Anggraini, Riana Siti Mechram Sunarti Sunarti Sunarti Suseno, Rahayu Wiskandar Zuhdi, Mohd