Which Agro-Chemicals?

Jack Kuhn>NIU Collection>NIU Collection, Segment 9

Which Agro-Chemicals?,

duration 00:57

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialise correctly.

AGRO-CHEMICALS
An agronomist test the soils and advises farmers on yield with fertilizers, herbicides and pesticides. Chemicals used is determined by what crop is to be grown & the yield desired. His dad used to use DDT.