Haku
Viitteet 1-3 / 3
Ecological recycling agriculture to reduce nutrient pollution to Baltic Sea
(A B Academic Publishers (ABA), 2008)
Impact of management on weed species composition in organically cropped spring cereals
(A B Academic Publishers (ABA), 2006)
Yields and clover contents of leys of different ages in organic farming in Finland
(A B Academic PublishersA B Academic Publishers (ABA), 2000)