Haku
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Comparison of fine and coarse limestones in pot and field experiments
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
Lime and bark ash for red clover
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
The effect of liming on the solubility of nutrients in various Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
Das Bewerten des Kalkbedarfs durch pH-messung von NH4- Azetatsuspension des Bodens
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)