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We have 33 titles under your selected category "Plant health management"!
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University of Nebraska- Lincoln 1996 Principles of pest control. download 140 kb nothing 
Williamson, E. 1995 Pesticide effects on natural enemies. download 15 kb english 
Youdeowei, A. 2002 This extension booklet constitutes an important tool for extension agents in their work with farmers. It is the result of intensive work in research and in the field by plant protectionists. download 11 kb nothing 

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