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pro vyhledávání: '"Butler, Marvin"'
A field study was conducted at Yuma in 1990 to examine the efficacy of several biological insecticide formulations on beet armyworm in seedling lettuce. After a single application at thinning, none of the insecticides adequately reduced larval popula
Externí odkaz:
http://hdl.handle.net/10150/221457
