Haku
Viitteet 1-3 / 3
The selenium content of some agricultural crops and soils before and after the addition of selenium to fertilizers in Finland
(Agricultural Research Centre, 1990)
Selenium in soil extracts and plants determined by fluorometry
(Agricultural Research Centre, 1990)
Effects of the addition of sulphate and phosphate on the leaching of selenite and selenate in acidic soils
(Agricultural Research Centre, 1991)