000 00371nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631.83
100 _aKemmler,G
245 0 _aPotassium deficiency and its correction in horticultural crops
260 _aSwitzerland.
_bInternational potash institut
_ce 1988
300 _a24p
942 _cPR
999 _c67435
_d67435