Haku
Viitteet 1-6 / 6
Different nitrogen fertilizers on meadow fescue ley
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
Soil magnesium and fertilizer magnesium uptake by ryegrass on nine mineral soils at two ammonium nitrate levels I. Magnesium uptake
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
Soil magnesium and fertilizer magnesium uptake by ryegrass on nine mineral soils at two ammonium nitrate levels II. Magnesium content of soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
The effect of rate of leys and intensity of nitrogen dressing in different crop rotations II : results obtained in the years 1958-69 in a rotation trial established on clay soil at Tikkurila in 1952
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Mineral nitrogen reserves in soil and nitrogen fertilization of barley
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)
The effect of rate of leys and intensity of nitrogen dressing in different crop rotations : results obtained in the years 1958-65 from a rotation trial established at Tikkurila in 1952
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)