000 00318nam a2200133Ia 4500
008 210101s1995 xx 000 0 eng d
082 _a633 D 54 C
100 _aDixit, R S
245 0 _aCropping system research
260 _aNew Delhi
_bKalyani
_c1995
300 _a120
650 _aCropping system
942 _2ddc
_cBS
999 _c6787
_d6787