International workshop on farming systems, Novemebr 18-21, 1974 

 - Hydenabad  International Crops Research Institute for the Semi-Arid Tropics  1974 
 - viii,548p.  27cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems
<br/><br/><label>LC Class. No.: </label>FOS S401.I5