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AGRIS - 国际农业科技情报系统

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National Agricultural Library (2)

west virginia (1)

结果 1-2 的 2

Orchard Spraying in West Virginia

1929

Sherwood, E. C. | Peairs, Leonard Marion

west virginia spraying and dusting in agriculture control diseases and pests fruit

National Agricultural Library - United States of America

Spraying fruit plants

1929

Pickett, W. F. (William Francis) | Martin, W. R.

kansas spraying and dusting in agriculture control diseases and pests pesticides (general) fruit

National Agricultural Library - United States of America

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