Fertilizer requirements of developing countries. 

 - Washington D. C. :  International Bank for Reconstruction and Development (IBRD) : International Development Association ,  1974 
 - Various pages :  ill. ;  28 cm.  
 - Report, no. 446 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers--Developing countries
<br/><br/><label>Gov. Doc. Class. No.: </label>UN WB IDA R-446