000 00320nam a2200121Ia 4500
008 170101s2011 xx 000 0 und d
082 _a631.42068 SIN
100 _aSingh S.S
245 0 _aSoil Fertility and Nutrient Management
260 _aLudhiana
_bKalyani Publishers
_c2011
300 _a259 P.
942 _2ddc
_cB
999 _c1495266
_d1495266