Farm spies; how the boys investigated field crop insects
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OCLC: | 15562962 |
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Главный автор: | |
Другие авторы: | |
Язык: | English |
Опубликовано: |
New York,
The Macmillan Company,
1916.
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Предметы: | |
Формат: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
Оглавление:
- The boll-weevil
- The black bill-bug of corn
- When corn is fox-eared
- The black corn-weevil
- Grasshoppers
- Chinch-bugs
- The cotton root-louse
- Windfalls of corn.