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All Journal Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment)
Sitanala Arsyad
Staf Pengajar Jurusan Tanah, Fakultas Pertanian Institut Pertanian Bogor, Jl. Meranti, Kampus IPB Darmaga, Bogor 16680
Agriculture, Biological Sciences & Forestry Environmental Science

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TEKNIK PENGENDALIAN ALIRAN PERMUKAAN YANG EFEKTIF PADA USAHATANI LABAN KERING BERLERENG A Noeralam; Sitanala Arsyad; Iswandi Anas
Jurnal Ilmu Tanah dan Lingkungan Vol 5 No 1 (2003): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (302.187 KB) | DOI: 10.29244/jitl.5.1.13-16

Abstract

The aims of this study were to find out the effects of runoff control techniques and cropping patterns on the runoff rate of sloping upland farming. A series of factorial experiments were conducted on a Lithic Dystrudepts located at three different sloping uplands in Malang, East Java. The area belongs to the C type of Oldeman climatic zone. The three runoff control techniques were soil pit with vertical mulch (T1), soil pit with ridge and vertical mulch (T2), and soil pit with a ridge (T3). The two sequential cropping patterns were maize (Zea mays L.) - soybean (Glycine max (L.) Merr.) - maize (P1), and peanut (Arachis hypogaea) - maize - soybean (P2). The result indicates that runoff control techniques decrease rate of runoff by 88%, for soil pit with ridge technique, 86% for soil pit with ridge and vertical mulch technique, and 84% for soil pit with vertical mulch technique. The relationship ofrainfallJx) with run off(y) can be expressed by y = 0.05x; r = 0.92 in cropped plot andy = 0.30x; r = 0.90 in bare plot. Keywords: ridge, soil pit, vertical mulch
Co-Authors A Noeralam Iswandi Anas