Effect of Velvetleaf Competition and Defoliation Simulating a Green Cloverworm (Lepidoptera: Noctuidae) Outbreak in Iowa on Indeterminate Soybean Yield, Yield Components, and Economic Decision Levels

Author： HIGGINS R. A.   PEDIGO L. P.   STANIFORTH D. W.  

Publisher： Entomological Society of America

ISSN： 1938-2936

Source： Environmental Entomology, Vol.13, Iss.4, 1984-08, pp. : 917-925

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