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AGRIS - 国际农业科技情报系统

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出版日期
1918

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Powdery dry-rot of the potato 全文

1918

Orton, W. A. (William Allen) | Link, George K. K. (George Konrad Karl) | Taylor, William A. (William Alton)

potatoes fusarium diseases and pests
National Agricultural Library - United States of America
Control of the melon aphis 全文

1918

Chittenden, F. H. (Frank Hurlbut)

aphis gossypii natural enemies cucumbers insect pests spraying melons pests of plants (insects and other arthropods) control life cycle (organisms) entomology related diseases and pests cotton aphid ...
National Agricultural Library - United States of America
The control of tomato leaf-spot 全文

1918

Pritchard, Frederick John | Clark, W. B.

leaf spots tomatoes control diseases and pests
National Agricultural Library - United States of America