出版日期
细化搜索
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Report on cooperative work on oriental fruit moth parasites for 1939 全文
1940
Strong, Lee A.
National Agricultural Library - United States of America
Control of tomato fruit worm and corn ear worm
1940
Marcovitch, S. (Simon) | Stanley, W. W. (William Walter)
National Agricultural Library - United States of America
Modifications of fruit and vegetable quarantine regulations : quarantine no. 56 全文
1940
The Biodiversity Heritage Library - United Kingdom
Calendar for the control of major fruit pests in the North-west frontier province | Control of major fruit pests in the North-west frontier province
1940-1949
Aslam, Muḥammad | Batra, H. N.
National Agricultural Library - United States of America
Combating fruit pests in Kansas
1940
Filinger, G. A. (George Albert)
National Agricultural Library - United States of America
