Nitrogen and crop production /

Bibliographic Details
Main Author:	Box, John
Format:	Government Document Book
Language:	English
Published:	College Station : Texas Agricultural Extension Service, Texas A&M University System, [1974]
Subjects:	Engrais azotés. Sols > Teneur en azote. Plantes, Effets de l'azote sur les.

Description
Physical Description:	23 pages : illustrations