Haku
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Winter hardiness and yield of local varieties of Finnish red clover grown in southern Finland at the Anttila Experimental Farm of the Hankkija Plant Breeding Insitute in 1962-1966
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
Comparisons between Nordic red clover varieties in clovergrass mixtures
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)