Haku
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Natural enemy conservation for the integrated control of the rape blossom beetle Meligethes aeneus F.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Mesopolobus graminum (Hårdh) (Hym., Pteromalidae), its population dynamics and influence on Javesella pellucida (F.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Non-chemical control of carrot rust fly in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)
Control of Rhopalosiphum padi (L.) (Hom., Aphididae) with Coccinella septempunctata L. (Col., Coccinellidae) in cages, and effect of late aphid infestation on barley yield
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)