Haku
Viitteet 81-84 / 84
Mangold fly: predicting damage and the economics of control
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1978)
Hymenoptera species occurring in stems of spring wheat and the damage caused by them to wheat crops in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1962)
Studies on the hibernation of certain species of thrips living on cereal plants
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Effect of fertilizers on the reproduction of Tetranychus telarius (L.), Myzus persicae (Sulz.) and Acyrthosiphon pisum Harris
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)