MacKenzie, D. R. <br/><br/>
International Maize and Wheat Improvement Center =   Ensayos intern acionales de maiz y Trigo manual para conversion de fertilizantes a uni dades basicas /  
D. R. MacKenzie. 
 - Mexico :   International Maize and Wheat Improvement Center   1972 . 
 - 4 p. :    ill ;    28 cm. 
 - CIMMYT Research Bulletin ;   no.5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn --Fertilizers.------