Haku
Viitteet 1-3 / 3
Readily soluble trace elements in Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Das Bewerten des Kalkbedarfs durch pH-messung von NH4- Azetatsuspension des Bodens
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Comparative studies on the cation exchange properties of mineral soils by the methylene-blue adsorption method and by the ammonium acetate method
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)