Yash Pal <br/><br/>
Sustainability of rice-wheat cropping system in Haryana 

 -  Chaudhary Charan Singh Haryana Agricultural University  1993 
 - v.p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WHEAT<br/>CROPPING SYSTEMS - HARYANA<br/>RICE<br/>CROPS
<br/><br/><label>Dewey Class. No.: </label>TY.0040