Estimating availability of nitrogen from green manure to subsequent maize crops using a buried bag technique /

Bibliographic Details
Main Author:	Carsky, R. J.
Format:	Thesis Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 1989.
Subjects:	Green manure crops. Corn > Fertilizers. Nitrogen > Fixation.

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