000 00375nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aMcGeorge, W.T.
245 _aPotassium in calcareous soils: 1. Solubility and availability, 2. Some propertie
260 _aTucson
_c1933
300 _a1-42 p.
440 _aArizona Agricultural Experime
901 _a1962
942 _cB
_2udc
999 _c431
_d431