TY  - BOOK
AU  - Yash Pal
ED  - Gangwar, A.C.
TI  - Sustainability of rice-wheat cropping system in Haryana
U1  - TY.0040 
PY  - 1993///
PB  - Chaudhary Charan Singh Haryana Agricultural University
KW  - WHEAT
KW  - CROPPING SYSTEMS - HARYANA
KW  - RICE
KW  - CROPS
ER  -