Ladha Jagadish K. <br/><br/>
Improving the Productivity and Sustainability of Rice-Wheat Systems : Issues and Impacts 

 - New Delhi  CIMMYT Research Afflicate  2003 
 - 231p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-89118-150-4 
<br/><br/><label>Dewey Class. No.: </label>633.18  / LAD