Haku
Viitteet 1-2 / 2
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)
Use of quick test for measuring soil nitrogen in vegetable fields
(Nordiska Jordbruksforskares Förening (NJF), 2001)