Haku
Viitteet 1-5 / 5
Fertility of different mire type groups
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
Fixation of ammonium and potassium applied simultaneously in Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
The effect of magnesium, potassium and nitrogen fertilizers on the contents and ratios of nutrients in spring cereals and grassland crops
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1979)
The effect of magnesium, potassium and nitrogen fertilizers on the uptake of nutrients by spring cereals and cultivated grassland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1979)
The effects of simultaneous addition of ammonium and potassium on their fixation in some Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1973)