000 00358nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631.81
100 _aKEMMLER G.
245 0 _aPotassium deficiency and its correction in horticultural crops
260 _aSwitzerland.
_bInternational potash inst.
_c1988
300 _a24p
942 _cPR
999 _c66953
_d66953