Haku
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Crop responses to temperature and precipitation according to long-term multi-location trials at high-latitude conditions
(Cambridge University Press, 2011)
Variation in harvest index of modern spring barley, oat and wheat cultivars adapted to northern growing conditions
(Cambridge University Press, 2008)
Contribution of new varieties to cereal yields in Finland between 1973 and 2003
(Cambridge University Press, 2004)