Haku
Viitteet 1-4 / 4
Urea phosphate as nitrogen and phosphorus fertilizer
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Radiophosphorus used to follow root growth in field plantings of spring cereals
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Fixation of ammonium and potassium applied simultaneously in Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
The effects of lime and phosphorus on copper uptake by oats and on the response to copper fertilization
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)