Management of nitrogen in irrigated agriculture / 
editor P. F. Pratt. 
 - Riverside, California :  Environmental Sciences University of California,  1978. 
 - xii, 442 p. :  ill. ;  28 cm. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen--Soil.