Haku
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Root rot as a cause of red clover decline in leys in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Chemical weed control in Finland in 1887-1965
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1969)
Chlormequat (CCC) in growing spring wheat in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1975)
Bionomics, enemies and population dynamics of javesella pellucida (F.) (Hom., delphacidae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)