000 00307nam a2200133Ia 4500
008 160316s1987 xxu||||| |||| 00| 0 eng d
020 _a
100 _aH.C. Srivastava
245 _aCrop Productivity
250 _a1st
260 _aNEW DELHI
_bOXFORD & IBH PUBLISHING
_c1987
300 _a467
700 _a
_a
999 _c14801
_d14801