000 00339nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a631.4
100 _aPotash , Phosphate Institute.
245 _aSoil fertility manual.
260 _a
_b
_c19
300 _a88
653 _aSoil Fertility
653 _aSoil Science
942 _2ddc
_cBK
999 _c9409
_d9409