000 00363nam a2200145Ia 4500
082 _a631.38/GAN
100 _aGangwar, B
245 _aEfficient alternative cropping systems
260 _bProject Directorate for Farming Systems Research
_aMeerut
_c2011
300 _a339
650 _aAgriculture
650 _aCrop system
901 _aG289
942 _2ddc
_cGBK
999 _c4578
_d4578