Haku
Viitteet 1-3 / 3
Nutrient content and fertilizer value of livestock manure with special reference to cow manure
(Agricultural Research Centre, 1989)
Plant-available boron in soils and the boron requirement of spring oilseed rapes
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)
The biomass of weeds in winter cereal fields in Finland
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1985)