The purpose of IR-4 is to work with farmers, agriculture scientists and Extension personnel to carry out research and petition the Environmental Protection Agency (EPA) in order to obtain tolerances for specific pesticide uses needed by minor crop producers.
(The purpose of IR-4; is; to work with farmers, agriculture scientists and Extension personnel) (specific pesticide uses; needed; by minor crop producers)
The purpose of IR-4 specific pesticide uses
is needed
to work with farmers, agriculture scientists and Extension personnel
by minor crop producers