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041 _aEN
082 _a631.83
_bCOL
_223
100 _aColloquium of the International potash institute
245 _aPotassium in the Agricultural systems of the humid tropics
_c/25-29th November 1985: Bangkok.
260 _aSwitzerland
_bInternational Potash Institute
_c1985
300 _a313 pages
509 _aNS
942 _cR