Haku
Viitteet 1-3 / 3
Ecology and control of timothy grass flies (Amaurosoma spp., Dipt., Scatophagidae) and the effects of chemical control on the fauna of the field stratum.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Contarinia kanervoi Barnes (Dipt., Itonididae), bionomics, damage and control
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Hymenoptera species occurring in stems of spring wheat and the damage caused by them to wheat crops in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1962)