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 - Ravantti, Saija (Agricultural Research Centre, 1980)
Sarja Peltoviljely n:o 65
Keywords: Ka; puna-apila; Trifolium pratense; apilat; talvenkestävyys; sato; koetoiminta; rehukasvit