Liquid nitrogen fertilizers for direct application. 

 - Washington :  USDA ,  1965 
 - 46p. :  ill. ;  28 cm.  
 - Agriculture handbook .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers--United States<br/>Liquid fertilizers<br/>Nitrogen fertilizers
<br/><br/><label>Dewey Class. No.: </label>631.8  / US-2