000 00433nam a2200157Ia 4500
008 130223s9999 xx 000 0 und d
080 _a631.422/.423(54):631.85
100 _aDatta, N.P., Kamath, M.B.
245 _aComparison of methods for available phosphorus in Indian soils
260 _aNew Delhi
260 _c1957
300 _a0.875
440 _aNo. 1; Indian Agricultural Res
901 _pS22367
942 _cB
_2udc
999 _c118417
_d118417