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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 127 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 Lidwina Mita Sari; Amnawadi; Choky Afrizal Maulana; Filipus Rendi; Yoseph Frinadetz Ragan Kedang; Retno Wilujeng; Hidayati Karamina; I Made Indra Agastya
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 Diky Anggi Riyansyah; Andi Masnang; Asmanur Jannah
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 Fadil Fajarindo; Suwardi; Iskandar; Atfritedy Limin; Shiamita Kusuma Dewi
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.
Second-Year Biochar Residue and NPK Fertilizer Effects on Soil Mesofauna and Microbial Activity in Patchouli (Pogostemon cablin Benth.) Any Kusumastuti; Made Same; Nurhasanah; AH. Maftuh Hafidh Zuhdi; Dian Latifathul Mar'ah
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.v4i2.3560

Abstract

Second-year biochar residue represents an understudied aspect of long-term soil amendment management, as its persistence in soil may influence biological communities differently over time. This study aimed to analyze the effects of second-year biochar residue and NPK fertilizer rates on soil mesofauna abundance and soil microbial activity in patchouli (Pogostemon cablin Benth.) cultivation. The experiment was arranged in a split-plot design with three replications. The main plot factor was second-year biochar residue rates (0, 10, and 20 ton ha-1), and the subplot factor was NPK fertilizer rates (0, 350, and 700 kg ha-1). Second-year biochar residue had no significant effect on soil mesofauna population, diversity index, dominance index, or microbial activity, while NPK fertilizer at 700 kg ha-1 significantly increased mesofauna population (24.33 individuals dm-³), diversity index (0.28), and dominance index (0.022). A total of 501 mesofauna individuals were identified, dominated by Acarina (67.3%) and Collembola (28.9%). Correlation analysis revealed strong positive relationships between mesofauna variables and soil physical factors, particularly temperature (r = 0.74) and moisture (r = 0.83), while soil chemical properties showed weak correlations. No significant interactions were observed between biochar residue and NPK fertilizer. These findings indicate that biochar’s stimulatory effects on soil biota diminish substantially after the first year. In contrast, NPK fertilization at 700 kg ha-1 effectively enhances soil mesofauna communities, which serve as indicators of soil biological health in patchouli cultivation systems.
Bahasa Inggris Krishna Aji; Erwin Ladjinga; Endah Widianti; Tri Mulya Hartati; Gunawan Hartono; Tiara Sarastika; Djoko Mulyanto
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.v4i2.3578

Abstract

The phenomenon of environmental degradation threatens various sectors, including agriculture in coastal ecosystems, thereby weakening the land’s carrying capacity. On the other hand, information about soil resources in fluvial-marine landscapes has formed a complex, unique system that influences geomorpho-pedological characteristics. This study aims to (1) investigate variations in soil morphological characteristics under different agricultural practices and (2) interpret the results of soil genesis processes within the framework of geomorpho-pedological evolution in fluvio-marine landscapes. The research was conducted in Tobo Ino Village, Wasile Subdistrict, Subaim, East Halmahera Regency, North Maluku Province, Indonesia. The methodology used was a stratified sampling method to identify soil profiles based on USDA standards for two different land-use practices. This was followed by laboratory-scale physicochemical analysis of the soil in accordance with the Agricultural Instrument Standardization Agency, Ministry of Agriculture, Indonesia. The results show that land use activities affect soil morphology and classification. Fluvaquentic Endoaquepts soil classification is found in rice paddy field practices, while Typic Eutrudepts is found in mixed plantations. Along with similar geomorphological conditions but different soil evolution processes, this results in different land resource management practices. This approach offers a process-based understanding that is essential for sustainable agricultural planning in dynamic coastal-alluvial landscapes in wet tropical regions to achieve the Sustainable Development Goals (SDGs) and the Eight Goals of the Unitary State of the Republic of Indonesia.
Perbandingan Morfologi dan Sifat Fisik-Kimia Tanah Inceptisol pada Dua Lansekap Berbeda Daerah Istimewa Yogyakarta Lulu' Ayu Faezatiy; Riesca Wulanda Citra
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.v4i2.3579

Abstract

Inceptisols are widely distributed soils with significant agricultural potential; however, their characteristics are strongly influenced by landscape and parent material. Understanding these variations is essential for explaining soil-forming processes and supporting appropriate land management. This study aims to compare the morphological and physico-chemical properties of Inceptisols developed under karst and volcanic landscapes in the Special Region of Yogyakarta, Indonesia. A comparative field study was conducted on two representative pedons located in Bedoyo Kulon and Berbah. Soil profile descriptions followed standard soil survey guidelines and were supported by field and laboratory analyses of selected properties, including texture, structure, pH, carbonate content, and organic matter. The results show that Bedoyo Kulon soils are characterized by Ap–Bw1–Bw2 horizons, clay texture, dark reddish-brown color, moderately acidic pH (5–6), and the presence of carbonates in subsurface horizons. In contrast, Berbah soils exhibit Ap–A1–Bw horizons, a sandy loam texture, very dark gray to gray color, a slightly acidic pH (5–5.5), and the absence of carbonates. These differences indicate that parent material and topography play a dominant role in soil development and horizon differentiation. The findings provide insights into pedogenesis in contrasting landscapes and highlight the need for site-specific soil management strategies to improve soil fertility and sustainability.
Integrasi Geopedologi dan Evaluasi Lahan untuk Mendiagnosis Kendala Tanah bagi Tanaman Jagung pada Lanskap Riparian Tropika Bagus Adi Nugroho; Donny Dhonanto; Odit Ferry Kurniadinata; Penny Pujowati
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.v4i2.3608

Abstract

Maize (Zea mays L.) production in tropical riparian landscapes is strongly governed by spatial variability in soil–landscape interactions that control drainage conditions, rooting depth, and nutrient availability. This study aims to delineate geopedological landforms, evaluate maize suitability using a limiting-factor approach, and diagnose key landform-specific soil constraints. A GIS-supported geopedological framework with land suitability evaluation to spatially diagnose soil constraints affecting maize cultivation along the Kelinjau River, East Kalimantan, Indonesia. The study area was stratified into two geopedological landform units (permanently waterlogged peaty floodplains and undulating sandy terraces) using terrain analysis derived from digital elevation model (DEM) data, high-resolution satellite imagery, and field surveys. Climatic, soil physical and chemical, hydrological, and terrain characteristics were quantified using field observations, laboratory analyses, and geospatial datasets, and maize suitability was assessed using a land-characteristic–crop-requirement matching approach based on the principle of limiting factors. The results indicate that climatic and topographic conditions are spatially uniform and generally favorable for maize cultivation, whereas soil-related variables exert dominant control on suitability outcomes. Both landform units were classified as marginally suitable (S3). On peaty floodplains, low nutrient availability (particularly phosphorus) constitutes the primary limitation, while sandy terraces are constrained by impeded drainage, shallow effective soil depth, and nutrient deficiencies. These findings highlight the importance of landform-based spatial stratification in revealing process-driven soil limitations and demonstrate that integrating geopedology with spatial land evaluation enhances the diagnosis of constraints on maize suitability, thereby supporting targeted and sustainable land management in heterogeneous riparian landscapes.

Page 13 of 13 | Total Record : 127

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