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I Wayan Rusna
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KARAKTERISTIK ZONE AGROEKOSISTEM DAN KESESUAIAN LAHAN DI LERENG SELATAN GUNUNG BATUKARU KABUPATEN TABANAN I Wayan Rusna
Bumi Lestari Journal of Environment Vol 8 No 1 (2008)
Publisher : Environmental Research Center (PPLH) of Udayana University

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The research of agroecosystem zone characteristics and land suitablities of south slope Batukaru Mountain, Tabanan Regency, Bali Province, was conducted. The aims of this research are to know the agroecosystem zone characteristics in toposequence of south slope Batukaru Mountain, their land suitablity classes, and limiting factors. This study was conducted through field survey by using zone or sub zone of agroecosystem as land unit in taking soil sample. Each of agrosystem zone or sub zone was observed and taken as the soil sample. The land characteristics were classified using the criteria of land characteristics classification in evaluating the land suitabilities. The land suitabilities, their potential, and limiting factors were analyzed using land suitability evaluation criteria. This study resulted in that south slope of Batukaru Mountain can be divided into 5 agroecosystem zones with various characteristics and land suitabilities. The main limiting factor in rice field was the lack of nitrogen, phosphate, and calium. On the other hand, in dried land, coconut farming, and coffee farming, the limiting factors were the lack of Nitrogen and the sloping land mainly in agroecosystem 3 and 4.
STUDI POTENSI DAN KESESUAIAN LAHAN UNTUK PERENCANAAN PENGEMBANGAN TANAMAN PANGAN DAS WAIKOMO KABUPATEN LEMBATA, NUSA TENGGARA TIMUR I Wayan Rusna
Bumi Lestari Journal of Environment Vol 5 No 1
Publisher : Environmental Research Center (PPLH) of Udayana University

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A Study on land potential and suitability for farming of agricultutral food crop plants wasconducted at Waikomo watershed, Lembata Regency, Nusa Tenggara Timur Province. Aimsof this study were to identify location of the land which was suitable for agriculture, and toidentify land suitability and limiting factors. This study was carried out trough field surveyby using map of slope class as land unit. Identification and soil sampling were carried out oneach land unit. Land potential for agriculture was analysed by criteria of land capability,while classification of land suitability was analysed by criteria of land suitability. Results ofthe land capability study showed that there were four land units which were suitable to beplanted agricultural crops. Theplants which could grow there were corn, sorghum, Phaseolusbeans, and sweet potatoes.
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