الفهرس 
المقدمهOnly 14 pages are availabe for public view
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Abstract
Pesticides are applied in crop fields to control different crop pests. In such fields fungicides, herbicides and insecticides may be applied simultaneously on the same crop environment, and it is possible that they may interact with each other and affect the control of the pests. This interaction may lead to be synergism, antagonism, or potentiation act as inducer with respect One of the chemical may to the other pesticide.