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Akhmad Rizalli Saidy
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Acta Solum
Published by Universitas Lambung Mangkurat
ISSN : -     EISSN : 29875145     DOI : https://doi.org/10.20527/actasolum.v1i2
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Acta Solum is a journal that publishes authoritative and original refereed articles on topics relevant to soil science. Acta Solum encourages the exchange of information between environmental managers, pure and applied scientists, and national and international authorities on soil science.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tanah
Articles 123 Documents
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The Use of Bicomat and Tithonia Compost on Chemical Properties of Post-Mining Group-C Soil After Bok Choy Cultivation Sari, Lidwina Mita; Amnawadi; Maulana, Choky Afrizal; Rendi, Filipus; Kedang, Yoseph Frinadetz Ragan; Wilujeng, Retno; Karamina, Hidayati; Agastya, I Made Indra
Acta Solum Vol. 4 No. 2 (2026): March 2026
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v4i2.3398

Abstract

In mining areas, improper soil management frequently leads to soil degradation and the depletion or loss of N, P, and K nutrients. Bicomat is known as an effective amendment for improving physical properties in the short term, whereas its effects on chemical properties generally become evident only in the long term. The purpose of this study was to determine the effect of combining Bicomat and Tithonia compost on the chemical properties of Group-C post-mining soil after planting mustard greens. This study was conducted from October to December 2024 at the Science Technopark of Tribhuwana Tunggadewi University, Malang City, at an altitude of approximately 450 meters above sea level. The study employed a non-factorial Randomized Block Design (RBD) with 8 treatments and 3 replications. The tested treatments consisted of: KT1 (Non-Mining Soil Control), KT2 (Group-C Mining Soil Control), T1P1B1 (Soil 1, 200 g fertilizer, 10 t ha⁻¹ Bicomat), T1P1B2 (Soil 1, 200 g fertilizer, 20 t ha⁻¹ Bicomat), T1P2B2 (Soil 1, 300 g fertilizer, 20 t ha⁻¹ Bicomat), T2P1B1 (Soil 2, 200 g fertilizer, 10 t ha⁻¹ Bicomat), T2P1B2 (Soil 2, 200 g fertilizer, 20 t ha⁻¹ Bicomat), and T2P2B2 (Soil 2, 300 g fertilizer, 20 t ha⁻¹ Bicomat). The results showed that the combination of Bicomat and compost had a significant effect on improving the chemical properties of the Group-C post-mining soil. The best results for nitrogen, phosphorus, and potassium were obtained from treatment T1P2B2, while treatments T1P1B1 and T2P1B1 yielded the best results for organic C.
Nutrient Uptake and Yield of Peanuts (Arachis hypogaea L.) under Different NPK Forms and Doses Riyansyah, Diky Anggi; Masnang, Andi; Jannah, Asmanur
Acta Solum Vol. 4 No. 2 (2026): March 2026
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v4i2.3570

Abstract

Fertilization is important in peanut cultivation through the use of fertilizers tailored to crop requirements. This study aimed to determine the effects of NPK fertilizer form and dosage on nutrient uptake and peanut yield. The experiment was arranged in a Randomized Block Design with a 2 × 2 factorial pattern and eight replications, resulting in 32 experimental units. The treatments consisted of two factors: the first was fertilizer form, with granular and blended options. The second factor was NPK fertilizer dosage, with two levels: 200 kg ha⁻¹ and 250 kg ha⁻¹. The results showed a significant interaction between fertilizer form and dosage on plant height at 25 days after planting and net pod weight. The highest plant height reached 14.8 cm in the blending form treatment and a dose of 250 kg ha-¹, while the best net pod weight was 2,681.8 kg ha⁻¹, obtained from blending fertilizer at a dosage of 200 kg ha⁻¹. In the blended fertilizer form, N and K nutrient uptake were higher than in the granular form. Uptake of P tended to be similar across both fertilizer forms and dosages. Fertilizer dosage significantly affected crop productivity, with the highest yield obtained at 250 kg ha⁻¹.
Amelioration of Ultisol Acidity Using Coal Ash and Lignite-Enriched Compost Fajarindo, Fadil; Suwardi; Iskandar; Limin, Atfritedy; Dewi, Shiamita Kusuma
Acta Solum Vol. 4 No. 2 (2026): March 2026
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v4i2.3614

Abstract

Prolonged use of Ultisols can degrade soil quality, notably by increasing acidity. To address this, proper management practices such as adding lime, compost, coal ash, and lignite are essential. This study evaluated the ability of coal ash and lignite-enriched compost to reduce Ultisol’s acidity. A split-plot experiment was conducted with main treatments including compost (K), compost combined with FABA (Fly and bottom ash) (KF), and compost with FABA plus lignite (KFL), all at a rate of 50 tons per hectare. Sub-plot involved different application methods: broadcasting and banding (in crop rows). Results indicated that banded application of KFL raised soil pH to 5.50. Additionally, banded application significantly enhanced cation exchange capacity (CEC) and base saturation (BS) by 11.94 me 100 g⁻¹ and 45.51%, respectively, while decreasing exchangeable Al by 0.208 me 100 g⁻¹ compared to broadcasting.

Page 13 of 13 | Total Record : 123

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