Haku
Viitteet 1-2 / 2
Harmfulness of soil treatment with some fungicides and incsecticides to the biological control agent Aphidoletes aphidimyza (Rond.) (Dipt., Cecidomyiidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1979)
Effect of herbicides and chlormequat chloride on host plant selection and population growth of Macrosiphum avenae (F.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)