Haku
Viitteet 11-20 / 23
Effects of nitrogen fertilization on the Ca/P ratio of grass herbage
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
The effect of nitrogen fertilization on the copper/molybdenum ratio of grass herbage
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
Amino acid composition of timothy, meadow fescue, cocksfoot and perennial ryegrass at two levels of nitrogen fertilization and at successive cuttings
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1979)
Mineral content in heavily nitrogen fertilized grass and its silage
(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 effect of magnesium fertilizing on spring cereal and cultivated ley yield and on soil nutrient contents at two potassium and nitrogen fertilizer levels
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1978)
The effect of nitrogen fertilization on K/(Ca+Mg) ratio in grass
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1978)
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)
Organic ammonium salts as nitrogen fertilizers
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Mineral nitrogen reserves in soil and nitrogen fertilization of barley
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)