The third workshop on cropping system 

 - Bogor  Central Research Institute for Agriculture  1977 
 - v,98p.  28cm 
 -  ii .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special methods of cultivation<br/>Cultivation and harvesting
<br/><br/><label>Dewey Class. No.: </label>631.58  / THI