Haku
Viitteet 1-2 / 2
Damping-off of sugar beet in Finland. : II. Disease control
(Suomen maataloustieteellinen seura, 1983)
The Significance of soil microorganisms as a limiting factor in infection of clover by sclerotinia Trifolirum erikss. at different times of the year
(Suomen maataloustieteellinen seura, 1964)