Haku
Viitteet 1-4 / 4
Growth of rye grass, barley and oats in soils amended with ashes of wood, bark, peat and coal
(Agricultural Research Centre, 1989)
Rehuviljan viljely turvemailla
(Maaseudun TulevaisuusMaaseudun Tulevaisuus, 1984)
Sensitivity to copper deficiency and response to copper fertilization of barley and oat varieties
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Contents of mineral elements in Finnish cereal straw
(Suomen maataloustieteellinen seura, 1982)