M. Rusli Alibasyah
Program Studi Ilmu Tanah, Fakultas Pertanian, Universitas Syiah Kuala

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Perubahan Beberapa Sifat Fisika dan Kimia Gambut Jambo Aye - Aceh Utara Akibat Perlakuan Berbagai Kedalaman Drainase Hairul Basri; M. Rusli Alibasyah; Lilis Indriansyah
Jurnal Agrista Vol 10, No 1 (2006): Volume 10 Nomor 1 April 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Change of Some Phisycial and Chemical Properties of Peat Soil of Jambo Aye- Aceh Utara and due to Depths of Dranage TreatmentABSTRACT. The objective of this research was to evaluate the change of physical and chemical properties of peat soil of Jambo Aye Aceh Utara due to the depth of drainage treatments. The research was set according to randomized completely design with three replication. Pipes of alluminium with length of 100 cm and diameter of 30 cm was used to set the depth of drainage treatments. The depth of drainage treatments were: no-drainage, 20 cm, 40 cm, and 60 cm. The results showed the dept of drainage on peat soil affected some of physical and chemical properties of peat soil. From the physical properties point of view, the deeper of drainage was conducted, the more subsidence occurred, otherwise the higher bulk density was occurred. From the chemical properties point of view, the drainage more than 20 cm decreased pH, N-total, P-available, K-exchangeable, and Base Saturated, otherwise increased C-organic, Cation Exchangeable Capacity, and Al-exchangeable. It was recommended to use the drainage depth of 20 cm for controlling the change of some physical and chemical properties of peat soil.
Perubahan Beberapa Sifat Fisika dan Kimia Ultisol Akibat Pemberian Pupuk Kompos Dan Kapur Dolomit pada Lahan Berteras M. Rusli Alibasyah
Jurnal Floratek Vol 11, No 1 (2016): April 2016
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Changes of Some Physical and Chemical Ultisol Properties Given Compost Fertilizer and Dolomite Lime on Terraced Land ABSTRACT. This study aims to asses the changes of some physical and chemical ultisol properties  as a result of compost fertilizer and dolomite lime application on terraced land. This research using Randomize Block Design (RBD), consists of two factors, namely compost and dolomite lime. Parameters observed were physical and chemical properties of the soil. The results showed that compost has a very significant effect on the decrease of bulk density, the increase of total porosity, permeability, aggregate stability index, fast drainage pores, water available pores, soil water content at 2.54 pF, water content on 4.2 pF, the increase of P-available, and a significant affect on the slow drainage pores, the levels of C-organic, N-total, cation exchange capacity (CEC) and base saturation (BS). Dolomite lime has a very significant effect on bulk density, and a significant effect on the increase in total porosity, permeability, slow drainage pores, water available pores, N-total, CEC, BS,  and no significant effect on the aggregate stability index, fast drainage pores, water content at 4.54 pF and 4.2 pF ant the levels of C-organic. There also a very significant interaction between compost and dolomite lime on the increase in the pH of the soil.
Prediksi Tingkat Bahaya Erosi di Kecamatan Lembah Seulawah Kabupaten Aceh Besar M. Haris Syahputra; M. Rusli Alibasyah; Syakur Syakur
Jurnal Ilmiah Mahasiswa Pertanian Vol 3, No 2 (2018): Mei 2018
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (572.204 KB) | DOI: 10.17969/jimfp.v3i2.7467

Abstract

Abstrak. Penelitian ini bertujuan untuk mengetahui tingkat bahaya erosi di Kecamatan Lembah Seulawah Kabupaten Aceh Besar. Metode penelitian menggunakan metode survei yang didasarkan pada hasil pengamatan di lapangan  dan analisis tanah di Laboratorium. Erosi dihitung dengan menggunakan persamaan Universal Soil Loss Equation (USLE) yang dikemukakan oleh Wischmeier dan Smith pada tahun 1978. Metode USLE mengamati beberapa aspek seperti erosivitas, erodibilitas, faktor panjang dan kemiringan lereng, dan faktor pengelolaan tanaman dan tindakan konservasi. Secara garis besar penelitian ini dilaksanakan beberapa tahap yaitu, tahap persiapan, pengumpulan data, pelaksanaan lapangan dan pengambilan sampel tanah, dan analisis data. Hasil penelitian menunjukkan bahwa di lokasi penelitian terdapat tujuh belas satuan peta lahan (SPL) dengan total luas areal 31.935,56 Hektar. Erosi aktual tertinggi dijumpai pada SPL 7 yaitu sebesar 2.699,92 ton ha-1 th-1 dan erosi aktual terendah dijumpai pada SPL 14 yaitu 0,82 ton ha-1 th-1. Erosi potensial tertinggi dijumpai pada SPL 1 yaitu sebesar 5.774,84 ton ha-1 th-1 dan erosi potensial terendah dijumpai pada SPL 16 yaitu 48,53 ton ha-1 th-1. Terdapat 5 klasifikasi tingkat bahaya erosi yaitu tingkat bahaya erosi sangat ringan (SR) pada SPL 16, tingkat bahaya erosi ringan (R) pada SPL 17, tingkat bahaya erosi sedang (S) pada SPL 10, 14, dan 15, tingkat bahaya erosi berat (B) pada SPL 4, 7, 11, 12, dan 13, dan tingkat bahaya erosi sangat berat (SB) pada SPL 1, 2, 3, 5, 6, 8, dan 9.Prediction of Erosion Hazard at Lembah Seulawah Sub-distrik Aceh BesarAbstract. This study aims to determine the level of erosion hazard in Lembah Seulawah, Aceh Besar District. The research method is used survey method based on field observation and soil analysis in the laboratory. Erosion is calculated by using the Universal Soil Loss Equation (USLE) which proposed by Wischmeier and Smith in 1978. The USLE method looked at several aspects such as erosivity, erodibility, long factor and slope, and crops management and conservation measures. In general, this research is carried out several stages, namely, preparation phase, data collection, field implementation and soil sampling, and data analysis. The results showed that in the study sites there were seventeen units of land maps (SPL) with a total area of 31,935.56 hectares. The highest actual erosion was found in SPL 7 of 2,699.92 tons ha-1 th-1 and the lowest actual erosion was found in SPL 14 of 0.82 tons ha-1 th-1. The highest potential erosion was found in SPL 1 of 5,774.84 ton ha-1 th-1 and the lowest potential erosion was found in SPL 16 of 48.53 ton ha-1 th-1. There are 5 classifications of erosion hazard level which is very light erosion (SR) on SPL 16, light erosion hazard (R) on SPL 17, moderate erosion level (S) on SPL 10, 14, and 15, (B) on SPL 4, 7, 11, 12, and 13, and very severe erosion (SB) on SPL 1, 2, 3, 5, 6, 8, and 9.