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Based on the theory of ecology and economics, resources depletion and environmental degradation due to grain production were comprehensively accounted and the full cost of grain production was analyzed. The cost of grain production in Quzhou County, Hebei Province, an alluvial area in the Huanghuaihai Plain, was investigated using the methods of market price, replacement price, shadow engineering,...
Focusing on the problems of fragile ecological environment and increasing soil erosion in the water resource area of Beijing and Tianjin, land suitability evaluation is badly needed, which is also can be the guide for land development uses and modern agriculture construction. Taking the Dongbeigou small watershed in Pingquan county of Hebei province as the study area, matter element analysis method...
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