000 00436nam a2200169Ia 4500
999 _c21991
_d21991
082 _aTY.0040
100 _aYash Pal
245 0 _aSustainability of rice-wheat cropping system in Haryana
260 _c1993
_bChaudhary Charan Singh Haryana Agricultural University
300 _av.p.
650 _aWHEAT
650 _aCROPPING SYSTEMS - HARYANA
650 _aRICE
650 _aCROPS
710 _aGangwar, A.C.
942 _cTH
_2ddc