The status of spraying practices for the control of plant lice in apple orchards /
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Main Author: | |
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Format: | Texto biblioteca |
Language: | d |
Published: |
Geneva, N.Y. : New York Agricultural Experiment Station,
1915
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Subjects: | APHIDIDAE-CONTROL, APPLES-DISEASES AND PESTS-CONTROL, Hodgkiss, H. E., |
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