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AGRIS - 国际农业科技情报系统

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National Agricultural Library (1)

crop production (1)

economic aspects (1)

field crops (1)

结果 1-1 的 1

Cotton problems

1927

Sandford, S. C.

economic aspects field crops crop production cotton agronomy cotton trade southern states plant cultural practices diseases and pests

National Agricultural Library - United States of America

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