RYKAN, J G                                                   <br/><br/>
Assessment of impact of deep vertisol technology options                                                                 

 -  1983 
 - International Crops Research Institute for the Semi-Arid  Tropis, ICRISAT, Economics  Program, Progress report     .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANDHRA PRADESH | AGRICULTURE | INDIA | AGRICULTURAL METHODS | GREEN REVOLUTION | TECHNOLOGY  | DEEP VERTISOL TECHNOLOGY | SEMI ARID TROPICS