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damage level
第1页
The synchronization of ear emerging stages of winter wheat with occurrent periods of the orange wheat blossom midge,
Sitodiplosismosellana
(Gehin) (Diptera: Cecidomyiidae) adults and its damaged level
RELATIONSHIP BETWEEN THE ECOLOGICAL FACTORS AND THE DAMAGE LEVEL OF
PINUS MASSONIANA
FOREST ATTACKED BY
HEMIBERLESIA PITYSOPHILA
STUDIES ON THE DEGREE OF INJURY BY ZOKER AND ECONOMIC THRESHOLD OF ITS CONTROL
共1页