Sustainable agriculture, Vol. 2.  issues, perspectives and prospects in semi arid tropics 

 - New Delhi  Indian Society of Agronomy  1990 
 - 311 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivation & Harvesting
<br/><br/><label>Dewey Class. No.: </label>631.58  / INT