000 00298nam a2200097Ia 4500
008 140205s9999 xx 000 0 und d
245 _aSystem Approach to plant nutrition for sustainable crop production
260 _bDirectorate of oilseed research
_aHyderabad
_c2002
300 _a443
942 _2ddc
_cTR
999 _c5550
_d5550