Overwintering of Trifolium repens L. and Succeeding Growth: Results from a Common Protocol carried out at Twelve European Sites - Wachendorf, M.; Collins, R.P.; Connolly, J.; Elgersma, A.; Fothergill, M.; Frankow-Lindberg, B.E.; Ghesquiere, A.; Guckert, A.; Guinchard, M.P.; Helgadottir, A.; Lüscher, A.; Nolan, T.; et al. (Academic Press, 2001)
Keywords: Ka; Trifolium repens; valkoapila; englanninraiheinä; Lolium perenne; talvehtiminen; talvenkestävyys; white clover; AberHerald; Huia; perennial ryegrass; competition; overwintering; winter hardiness; spring growth; clover proportion; plant morphology; carbohydrate reserves