Trovati 2 documenti.
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International potash institute
Fertilizer use and plant health : proceedings of the 12. Colloqium of the International potash institute held in Izmir/Turkey 1976
Bern : International potash institute, 1976
Perrenoud, S.
Potassium and plant health / S. Perrenoud
Bern : International potash institute, 1977
IPI research topics ; 3