chemigation
 n.— «North Dakota farmers see the practice of applying pesticides and fertilizers through irrigation systems as being easier and cheaper than other methods.…Herb Grenz of Linton, who rents land to a farmer who sometimes uses chemigation to apply nitrogen fertilizer to potatoes, said a concrete containment system would be an added cost and extra work.» —“State studying possible new rules for chemigation” by Blake Nicholson Bismarck Tribune (North Dakota) Aug. 5, 2007. (source: Double-Tongued Dictionary)

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