Haku
Viitteet 1-2 / 2
Root rot as a cause of red clover decline in leys in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Bionomics, enemies and population dynamics of javesella pellucida (F.) (Hom., delphacidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)