Haku
Viitteet 1-7 / 7
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)
Straw, phosphorus and nitrogen : a preliminary experiment on the decomposition of straw in soil
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Ympäristön lyijysaastuminen Tikkurilassa : alustavia tutkimustuloksia
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
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)
Tuorerehunurmen lannoitus
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
Nautakarjan laitumen typpilannoituksesta
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)
The effect of some soil characteristics on the extractability of macronutrients
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)