000 00256nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a635.6
245 _aBetter Crops with Plant Food Vol.86-88 No.1-4
260 _aWashington
_bAmerican Potash Institute
_c2002-04
999 _c79530
_d79530