Haku
Viitteet 1-10 / 13
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)
The effect of liming on the solubility of nutrients in various Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
Readily soluble trace elements in Finnish soils
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Hiesu- ja savimaiden kalilannoitustarpeesta : kenttäkokeiden tuloksia vuosilta 1951-66
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1968)
Das Bewerten des Kalkbedarfs durch pH-messung von NH4- Azetatsuspension des Bodens
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Comparisons of five soil testing methods for phosphorus determination
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
The effect of liming and long-term fertilizing upon the nutrient status of peat soil and mineral composition of plant material
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Comparative studies on the cation exchange properties of mineral soils by the methylene-blue adsorption method and by the ammonium acetate method
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
Tuorerehunurmen lannoitus
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Über die Bestimmung der austauschbaren Basen des Bodens, seines Wasserstoffes und ihrer Summen
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)