
The scale of land conversion from farmland to forest or grassland,the grain response to it, and the relevant proposals in Northwest China
FENG Zhi-ming, ZHANG Peng-tao, YANG Yan-zhao
GEOGRAPHICAL RESEARCH ›› 2003, Vol. 22 ›› Issue (1) : 105-113.
The scale of land conversion from farmland to forest or grassland,the grain response to it, and the relevant proposals in Northwest China
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