Effective growing degree days as a critical factor for yield and qualitative value of timothy in subarctic growing conditions - Nissinen, Oiva (br, 2001)
Keywords: Ka; tehoisan lämpötilan summa; kuiva-ainesato; raakavalkuainen; raakakuitu; orgaanisen aineen sulavuus; timotei; nurmikasvit; timothy; effective degree days; dry matter yield; crude protein; crude fibre; organic matter digestibility