000 00446nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
080 _a631.41(548.2)
_bR137F
100 _aRaj, G. Bhupal
245 _aFour decades of research on micro and secondary nutrients and pollutant elements
260 _aBhopal and Hyderabad
_bIndian Institute of Soil Science and ANGR- Agricultural Univ
_c2009
300 _a131p.
901 _a273380
942 _cB
_2udc
999 _c17533
_d17533