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All Journal Jurnal Ilmu Tanah dan Sumber Daya Lahan
Morista, Nanda
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Agriculture, Biological Sciences & Forestry

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Studi Komparasi Status Kesuburan Tanah pada Beberapa Umur Tanaman Kelapa Sawit di Desa Salatiga Kecamatan Mandor Kabupaten Landak Morista, Nanda; Sulakhudin, Sulakhudin; Riduansyah, Riduansyah
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol. 12 No. 1 (2026): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v12i1.103296

Abstract

Inceptisol soils in West Kalimantan exhibit marginal characteristics including acidic pH and low nutrient availability, which potentially limit oil palm productivity. This study aimed to analyze soil fertility status in oil palm plantations aged 2, 7, and 13 years in Salatiga Village, Mandor District, Landak Regency, and to formulate appropriate fertilization recommendations. A field survey method was employed with composite soil sampling at 0-30 cm depth from each plant age, analyzed descriptively and statistically using ANOVA test (α=0.05). Results indicated acidic soil conditions (pH 5.00-5.43), low cation exchange capacity (6.83-10.13 cmol(+)/kg), and low to moderate base saturation (34.35-46.46%). Organic carbon content varied from moderate (2.25%) to high (4.17%), with the highest value at 13-year-old plantation. Available phosphorus was very high across all locations (18.65-107.34 ppm), while exchangeable potassium, calcium, and magnesium were classified as low. Statistical analysis revealed significant differences in sand fraction (p=0.050) and clay content (p=0.038) among locations. Soil fertility status across all plant ages was categorized as low, with CEC and total K as the main limiting factors. Recommended fertilization rates were Urea 1.62-3.16 kg/tree, SP-36 1.40-1.62 kg/tree, KCl 2.19-2.62 kg/tree, and liming at 0.238-0.899 ton/ha to enhance oil palm productivity. Keyword: Inceptisol; oil palm; soil fertility; fertilization
Co-Authors Riduansyah Riduansyah, Riduansyah Sulakhudin Sulakhudin