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All Journal Jurnal Ilmu Pertanian jurnal Ilmu Pertanian (Agricultural Science) Fish Scientiae : Jurnal Ilmu-Ilmu Perikanan dan Kelautan Acta Solum
Muhammad Syarbini
Faculty Of Agriculture, Lambung Mangkurat University Jln. A. Yani Km 35.5, Banjarbaru, Kalimantan Selatan 70714, Indonesia
Agriculture, Biological Sciences & Forestry

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Penilaian Tingkat Kekeritisan Lahan Pertambangan dan Beberapa Pengguanaan Lahan Lainnya di Kalimantan Selatan Subiq Kurniawan; Meldia Septiana; Muhammad Syarbini
Acta Solum Vol 2 No 3 (2024): Juli 2024
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v2i3.2569

Abstract

Critical land is land that is no longer productive from an agricultural perspective, because management and use do not consider land management requirements and soil conservation principles. This research aims to assess the level of criticality of land based on the level of erosion that occurs at various coal mining land locations in several districts in South Kalimantan. This research is non-experimental research using exploratory descriptive methods. The data collected is secondary data obtained through official publications from the Environmental Service and related agencies from several environmental documents of coal mining companies that have received approval from the authorized Agency. The secondary data used is the data needed to calculate the amount of erosion which is used as a basis for evaluating land criticality. These data include: soil texture, permeability, bulk density, rainfall, slope and slope length, management factors, land cover vegetation factors and soil organic C. Erosion estimation uses the Universal Soil Loss Equation (USLE) method. The results of erosion calculations using USLE show that in open mine land in Banjar Regency it is 233.9 tons ha-1 year-1, while in Tanah Laut Regency is 173.1 tons ha-1 year-1 and in Kotabaru Regency is 275.1 tons ha-1 year-1. The level of criticality of land in the mining area is at a critical and very critical level compared to natural land and cultivated land due to differences in erosion values ​​and also the thickness of the soil solum studied.
Kajian Sifat Fisika Tanah Ultisol Pra dan Pasca Penanaman Padi Sawah Muhammad Holqi Rahmadani; Muhammad Syarbini; Akhmad Rizalli Saidy
Acta Solum Vol 3 No 1 (2024): November 2024
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i1.2658

Abstract

This research is motivated by the conversion of many rice fields in Indonesia for various purposes, such as residential areas, offices, industries, tourism, transportation, and other uses. The environmental change focused on in this study is the conversion of Ultisol land into paddy fields. The aim of the research is to determine the differences in soil physical properties, including grain density, bulk density, soil porosity, permeability, and soil aggregate stability in Ultisol that have been subjected to inundation. The study follows a Completely Randomized Design (CRD) with a single factor. The factor tested is the origin of Ultisol soil taken from five different districts in South Kalimantan. Soil samples represent the distinct districts, and each district is replicated five times. Paired t-test is employed to observe the differences in the physical properties of inundated and non-inundated Ultisol. Incubation and physics analysis are carried out at the Greenhouse of the Soil Department and the Physics, Chemistry, and Biology Laboratory of the Soil Department, Faculty of Agriculture, Lambung Mangkurat University. The results indicate that inundation in Ultisol soil does not significantly affect soil density and soil porosity. Inundation, however, significantly differs in soil bulk density, permeability, and soil aggregate stability. Changes in soil physical properties are not correlated with plant dry weight.
Penambahan Fraksi Pasir dan Amelioran terhadap Sifat Fisika dan Kimia Tanah Salin yang Sudah Dilindi Arif Rahman; Ismed Fachruzi; Muhammad Syarbini
Acta Solum Vol 3 No 1 (2024): November 2024
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i1.2845

Abstract

Several problems arise so that saline soil is rarely used for plant cultivation, including: (1) low organic C in saline soil, (2) low N and K elements, (3) high pH, ​​(4) high Na+ content and (5) high plant osmotic pressure. This research aims to determine the effect of adding sand, applying processed organic fertilizer from fishery waste, and chicken manure on improving several physical and chemical properties of saline soil. This research used a factorial Completely Randomized Design (CRD) with two factors. Where factor A consists of: A1 = additional sand 25% of 1 kg soil weight (250 g); A2 = 35% additional sand from 1 kg of soil weight (350 g) and factor B consists of: B1 = Organic fertilizer from fishery waste is increased to 5% of 1 kg of soil weight (50 g); B2 = Chicken manure is increased to 5% of 1 kg of soil weight (50 g). Results show that the combination of adding 350 g of sand and applying chicken manure showed the best results for leaching dissolved salts and increasing soil pH.
Co-Authors Abdur Rahman Akhmad Murjani Akhmad Rizalli Saidy Arif Rahman Bambang Joko Priatmadi Bambang Joko Priatmadi Ismed Fachruzi Kamiliah Wilda Maya Pahlawati Meldia Septiana Mijani Rahman Muhammad Hasan Muhammad Holqi Rahmadani Muhammad Mahbub Ratna Ratna Ratna Taher Resti Aulia Subiq Kurniawan