Usefulness of white clover (Trifolium repens) for management of mountain pasture
Abstract
The investigations were carried out in 1999–2001 on a mountain pasture managed by undersowing with white clover to assess the usefulness of two varieties and one ecotype of white clover for the pasture undersowing. Before undersowing the sward was damaged in 40–50% using rototiller. Clover seeds were sown at the rate of 5 kg/ha. The assessed elements included clover persistence in the sward and its effect on the yields of dry mass and crude protein. The ecotype became well established and was most persistent to grazing, whereas Podkowa cv. revealed the weakest persistence. In the third year, the share of ecotype in the sward yield reached 26–38% whereas Podkowa cv. constituted only 18–28%. Yields of dry mass and crude protein per unit area were generally positively correlated with clover share in the sward yield. However, a mean for three years does not reveal significant differences in dry mass yields among the tested forms of clover. The crude protein yield of mixed sward with ecotype was higher by 77–140 kg/ha than that with varieties.
Keywords:
natural sward, pasture, undersowing, white clover, yields of crude protein, yield of dry matterReferences
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