Haku
Viitteet 1-2 / 2
N and P leaching from a clay soil under different crop rotations
(Nordiska Jordbruksforskares Förening (NJF), 1998)
Environmental characteristics of sand, coal granules, barley straw and peat as bedding material underneath the blue fox cages - a laboratory study
(Nordiska Jordbruksforskares Förening (NJF), 2002)