Haku
Viitteet 1-2 / 2
On The susceptibility of the different varieties of big-leafed turnip to damage caused by cabbage maggots (Hylemyia spp.)
(Suomen maataloustieteellinen seura, 1958)
On The Importance of the sowing time of crucifers in preventing the damage caused by cabbage maggots (Hylemyia spp). on the basis of tests made on big-leafed turnip
(Suomen maataloustieteellinen seura, 1958)