Haku
Viitteet 1-2 / 2
Breeding and seed production experiences with Finnish white clover
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
Resistance of plants to the pea aphid, Acyrthosiphon pisum Harris (Hom., Aphididae) : 4. fecundity on different alsike and white clover varieties
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1971)