000 00301nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aBALASUBRAMANIAN (A) etc. Ed
245 0 _aSoil Fertility Management in Cropping Sy
260 _cDept of Agronomy
365 _b0
650 _aNIL
942 _cBK
999 _c104945
_d104945