孟加拉吉大港山区Khagraohari的现代和传统农业系统中土壤化学性质 |
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收稿时间: | 8 March 2005 |
Soil chemical properties under modern and traditional farming systems at Khagrachari,Chittagong Hill Tracts,Bangladesh |
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Authors: | Shampa Biswas Mark E Swanson Jalal Uddin Md Shoaib S M S Sirajul Haque |
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Institution: | (1) International Centre for Integrated Mountain Development, Kathmandu, 3226, Nepal;(2) School of Environment, Resources and Development, Asian Institute of Technology, Klong Luang, P.O. Box 4, Pathum Thani, 12120, Thailand |
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Abstract: | Land degradation in Chittagong hill tracts has been taking place due to shrinkage of forest cover, policy weakness, population
explosion, and inappropriate hill farming system. Modern farming system in the Chittagong hill tracts like Sloping Agricultural
Land Technology (SALT) is practiced to provide a new strategy for developing lands for economic productivity and bio-diversity
conservation through establishment of ecological community rather than traditional shifting cultivation which is no longer
sustainable according to the carrying capacity of ecosystem of Chittagong hill tracts. This study is to find out changing
trends of soil chemical properties of sites under modern and traditional farming systems at Khagrachari district of Chittagong
hill tracts. The result of the research shows that Sloping Agricultural Land Technology has significantly higher capacity
of production due to the presence of the highest percentage of organic carbon, organic matter, compared with shifting cultivated
site. The study recommends that shifting cultivation may be changed into a relatively stable semi-permanent farming system
through developing participatory integrated farming systems to establish stable production environment in the Chittagong Hill
Tracts. |
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