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M. Yunus
Fakultas Pertanian, Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management

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Efektivitas Penggunaan Kotoran Ternak untuk Memperbaiki Sifat Kimia Tanah dan Kualitas Rumput Brachiaria humidicola pada Lahan Penggembalaan Herawati Latif; Sufardi Sufardi; M. Yunus
Jurnal Manajemen Sumberdaya Lahan Vol 1, No 1 (2012): Volume 1, Nomor 1, Juni 2012
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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ABSTRAK. Penelitian dilaksanakan di lahan penggembalaan Desa Leupon Kecamatan Blang Bintang Kabupaten Aceh Besar pada tanggal 20 Januari sampai 12 Mei 2011. Penelitian bertujuan untuk mengetahui efektivitas penggunaan jenis dan dosis kotoran ternak terhadap perbaikan sifat kimia tanah dan kualitas rumput Brachiaria humidicola  pada lahan penggembalaan. Penelitian ini menggunakan rancangan acak kelompok  (RAK) pola faktorial, yaitu faktor jenis kotoran ternak dan dosis kotoran ternak. Parameter yang diamati yaitu : (1) sifat kimia tanah  dan (2) kualitas rumput Brachiaria humidicola (Bh). Hasil penelitian menunjukkan bahwa jenis dan dosis kotoran ternak terdapat interaksi terhadap pH H2O, P-tersedia, K-dd, KTK tanah dan C-organik tanah. Faktor tunggal jenis kotoran ternak berpengaruh terhadap P-tersedia, K-dd dan KTK tanah. Dosis kotoran ternak berpengaruh terhadap pH H2O dan KCl, C-organik, N-total, P-tersedia, K-dd dan KTK tanah. Jenis dan dosis kotoran ternak secara interaksi berpengaruh terhadap protein kasar dan serat kasar serta kadar abu. Faktor tunggal jenis kotoran ternak berpengaruh terhadap bahan kering dan serat kasar rumput Brachiaria humidicola. Dosis kotoran ternak berpengaruh terhadap protein kasar dan serat kasar serta memberikan hasil terbaik pada dosis 15 ton/ha.The Use of Animal Manure Effectivity to Improve Some Soil Chemical Properties and Quality of Brachiaria humidicola Grass on Grazing LandABSTRACT. The research was conducted on grazing land of Leupon Village in  Blang Bintang Sub District,  Aceh Besar on January 20 to May 12, 2011. This study was aimed at determining effectiveness of types and doses of  animal manure to improve soil chemical characteristics and quality of Brachiaria humidicola grass on grazing land. The experiment used a randomized complete block design (RCBD) in factorial pattern.  Factors evaluated were manure types and manure doses. Variables observed were (1) soil chemical characteristics and (2) Brachiaria humidicola grass quality. The results showed that there was significant interaction between types and doses of animal manure on  pH-H2O, available P, exchangeable K, soil CEC, and soil organic C. As a single factor, manure types exerted significant effects on available P, exchangeable K, and soil CEC. Manure doses also exerted significant effects on pH- H2O and KCl, soil organic C, total N, available P, exchangeable K,  and soil CEC. There were significant interactions between types and doses of manure on crude protein, crude fiber, and ash content. A single factor, types of animal manure exerted significant effects on dry matter and crude fiber of Brachiaria humidicola grass. Doses of animal manure also exerted significant effects on crude protein and crude fiber. The best result was chicken manure  at dose of 15 tons per ha.
Prediksi Erosi Padang Pengembalaan Kawasan Pengembangan Peternakan Kabupaten Aceh Besar Mahendra Mahdi; M. Rusli Alibasyah; M. Yunus
Jurnal Manajemen Sumberdaya Lahan Vol 1, No 1 (2012): Volume 1, Nomor 1, Juni 2012
Publisher : Program Studi Magister Konservasi Sumberdaya Lahan, Pascasarjana, Universitas Syiah Kuala

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Abstract

Abstrak. Penelitian bertujuan untuk mengkaji tingkat bahaya erosi pada ladang pengembalaan dengan berbagai jenis hijauan pakan ternak di Kecamatan Indrapuri dan Kuta Malaka Kabupaten Aceh Besar. Metode penelitian menggunakan metode survey. Hasil penelitian menunjukkan bahwa dilokasi penelitian terdapat 10 Satuan Peta Lahan (SPL) dengan total luas areal 175,36 hektar. Erosi aktual terbesar terdapat pada SPL 4 yaitu sebesar 279,89 ton  ha ­-1 th ­­­­-1  dan SPL 6 yaitu sebesar 85,77 ton  ha ­­­­-1 th ­­­­-1  sedangkan erosi potensial tertinggi juga terdapat pada SPL 4 yaitu sebesar 699,74 ton  ha ­­­­-1 th ­­­­-1  dan SPL 8 yaitu sebesar 259,58 ton  ha ­­­­-1 th ­­­­-1. Terdapat 5 (lima) tingkat bahaya erosi yaitu sangat ringan masing-masing terdapat pada SPL 5 dan 9, ringan terdapat pada SPL 1,2,3 dan 7,  sedang terdapat pada SPL 10, berat terdapat pada  SPL 6 dan 8, sangat berat terdapat pada SPL 4. Rumput Bracharia decumben  dengan bentuk wilayah berombak sampai bergelombang terdapat bahaya erosi sangat ringan hingga ringan, rumput alam pada bentuk wilayah sama terdapat tingkat bahaya erosi ringan sampai berat.  Rumput alang-alang mempunyai tingkat bahaya erosi ringan sampai berat, rumput alam dan lamtoro pada wilayah berombak mempunyai tingkat bahaya erosi ringan.Erosion Prediction on Rifle Range of Development Area in Aceh Besar DistrictAbstract. This research was aimed at profound assessment of erosion hazard levels at grazing fields with various types of forage in Indrapuri and Kuta Malaka Sub-District, Aceh Besar District. The research used a descriptive method with 5 stages, including (1) approach, (2)preparation of working maps, (3)field activities, (4)data collection, (5)analysis and tabulation of data. Results showed that there were 10 units of Land Map (LMU) existed, with a total area of 175,36 hectares at the research locations. The largest actual erosion was found in LMU 4, and LPU 6, up to 279,89 tons ha-1yr-1 and 85,77 tons ha-1yr-1, respectively.  The largest potential erosion was found in LMU 4 and LMU 8, up to 699,74 tons ha-1yr-1and 259,58 tons ha-1yr-1, respectively.   There existed 5 levels of erosion hazard;  a very mild erosion existed in LMU 5 and 9; a mild erosion in LMU 1,2, 3 and 7; medium erosion in LMU 10, heavy erosion in LMU 6 and 8, and very heavy erosion in LMU 4. At grass of Bracharia decumben with undulate to wavy areas, there existed erosion hazard at rates of very mild to mild.  At natural grass with undulate, wavy, and hilly areas, there were erosion hazard of mild to severe intensity. At coarse grass with undulate to wavy areas, there were erosion hazard at the rate of mild to heavy levels.  At natural grasses and lamtoro with undulate area, the rate of erosion hazard was mild, while at elephant grass with undulate to wavy areas, the rates of erosion were mild to medium.
Co-Authors Herawati Latif M. Rusli Alibasyah Mahendra Mahdi Sufardi Sufardi