Fertigation and Chemigation

Mechanization of Irrigation

Applying fertilizer solutions through irrigation water is not a recent development. The first agricultural use of anhydrous ammonia was through application in irrigation water in the early 1930’s. With the mechanization of irrigation, particularly with the development of center pivot sprinkler systems, new application techniques have been developed for fertilizer and chemical solutions. New words describing these application techniques include fertigation, chemigation, fungigation, herbigation, insectigation, and pestigation.

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