Symposium on Soil Erosion and its Control in the ARID and SIEM ARID ZONES 

 - Karachi, Pakistan:  Ministry of Food and Agriculture Council  1957 
 -  25cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion--Directories
<br/><br/><label>Gov. Doc. Class. No.: </label>PAK FOO 27