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All Journal Neraca: Jurnal Pendidikan Ekonomi JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT Acta Solum
Muhammad Syarbini
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science

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Journal : Acta Solum

 1 
Jerapan Isotermal Fosfat Pada Tanah Ultisol Muhammad Asnandi; Fadly Hairannoor Yusran; Muhammad Syarbini
Acta Solum Vol 1 No 2 (2023): Maret 2023
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v1i2.1812

Abstract

The distribution area of mineral soil in Indonesia reaches 148 million ha. The acid mineral soil in South Kalimantan for Ultisol reaches 886.186 ha. Ultisols have low fertility and P availability. The low availability of P in the soil is caused by P being absorbed. Isothermal absorption is very useful for measuring P adsorption in the soil due to strong P fixation by Fe and Al in Ultisol soils. Many researchers have suggested determining the amount of P required to reach an optimum level for maximum crop yield to quantitatively describe isothermal adsorption, the most popular of which are Langmuir, Freundlich, and the Brunauer-Emmett-Teller (BET) equations. The purpose of this study was to determine the isothermal adsorption limit of P and describe quantitatively the isothermal adsorption in Ultisols in Banjarbaru City using the Langmuir, Freundlich, and BET equations. From the research results, it can be concluded that P adsorption on Ultisols in Gunung Kupang Village, Cempaka District, Banjarbaru City follows the BET Equation. The high and low P adsorption indicated the availability of P. In other words, the fixation activity of acid mineral soils could result in a smaller amount of available P for plants.
Pengaruh Pemberian Lumpur Padat Limbah Pabrik Kelapa Sawit Terhadap Ketersediaan Hara Pada Tanah Podsolik Dan Produksi Tanaman Jagung: The Effect of Providing Solid Sludge from Palm Oil Mill Waste on Nutrient Availability in Podsolic Soil and Corn Plant Production Fidela Shabrina; Muhammad Syarbini; Abdul Hadi
Acta Solum Vol. 3 No. 2 (2025): Maret 2025
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i2.2917

Abstract

Podzolic soil fertility and health are generally low due to its poor physical and chemical properties. Consequently, the use of organic soil amendments is essential to improve these properties and provide essential nutrients. Palm oil mill sludge solid waste is rich in nitrogen, phosphorus, potassium, magnesium and calcium which makes it a suitable fertilizer. This study aimed to evaluate the effect of palm oil mill sludge solid waste application on the availability of nitrogen, phosphorus and potassium in podzolic soil and corn (Zea mays) production. The experiment was conducted in a pot using a single factor Completely Randomized Design (CRD). The findings showed that application of palm oil mill sludge solid waste to podzolic soil increased the availability of nutrients N-NH4+, N-NO3-, available P and available K and the fresh and dry weight of corn plants. However, it did not increase soil pH. Treatment P4 (20 t ha-1) produced the highest values ​​of N-NH4+, N-NO3-, available P, available K and the fresh and dry weight of corn plants, making it the most effective treatment for the utilization of palm oil mill sludge on Podzolic soil.
Co-Authors Abdul Hadi Abdul Hadi Fadly Hairannoor Yusran Fidela Shabrina Maria Sari L. Panjaitan Muhammad Asnandi