Haku
Viitteet 1-3 / 3
Straw, phosphorus and nitrogen : a preliminary experiment on the decomposition of straw in soil
(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)