Haku
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Acid-induced leaching of elements from cultivated soils
(Maatalouden tutkimuskeskus, 1991)
The solubility of some iron and aluminium phosphates in the acetic acid-ammonium acetate buffer system
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Acid ammonium acetate and acid ammonium acetate/EDTA as extractants for phosphorus-32, aluminum and iron in soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)