000 00486pab a2200157 454500
008 180718b1984 xxu||||| |||| 00| 0 eng d
100 _aSingh, B.K.
245 _aEconomically optimal fertilizer requirements for wheat and paddy crops in different regions of Uttar Pradesh
260 _c1984
300 _a639-48
362 _aOct.-Dec.
650 _aFertilizers - India - Uttar Pradesh
700 _aJ.S. Sharma
773 _aIndian Journal of Agricultural Economics
909 _a8469
999 _c8469
_d8469