下辽河平原多熟种植农业生态模式知识库研建
梁文举, 闻大中, M. C. Saunders, B. J. Miller, 刘丹
自然资源学报 ›› 1997, Vol. 12 ›› Issue (1) : 78-83.
下辽河平原多熟种植农业生态模式知识库研建
BUILDING THE KNOWLEDGE BASE FOR THE AGRO ECOLOGICAL PATTERN OF MULTIPLE CROPPING IN THE LOWER LIAOHE PLAIN
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