Publication Date

1989

Description

In Czechoslovak conditions especially in Slovakia the botan­ical composition of grass swards is for different reasons getting worse and this means the decrease of forage value. As all those swards cannot be improved by complete renovation or by direct strip drilling of productive species into the sward, other possibilities are looked for. One for those is the utilization of herbicides combined with adequate fertilization. Retardation or control of unfavourable species destroy the existing competition which causes the different species succession in the sward. Our aim was to make a positive succession of species in the sward by herbicides utilization and the following fertilization. Such succession should lead to more permanent botanical composition and to improvement of the sward. Herbicides and fertilization as abiotic factors have syn­ergic effect leading to higher yield and better quality of the sward. The course of this improvement depends on the dose and efficiency of herbicides and partially on the application time.

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Herbicide Utilization for Regulation of Botanical Composition of Grass Swards

In Czechoslovak conditions especially in Slovakia the botan­ical composition of grass swards is for different reasons getting worse and this means the decrease of forage value. As all those swards cannot be improved by complete renovation or by direct strip drilling of productive species into the sward, other possibilities are looked for. One for those is the utilization of herbicides combined with adequate fertilization. Retardation or control of unfavourable species destroy the existing competition which causes the different species succession in the sward. Our aim was to make a positive succession of species in the sward by herbicides utilization and the following fertilization. Such succession should lead to more permanent botanical composition and to improvement of the sward. Herbicides and fertilization as abiotic factors have syn­ergic effect leading to higher yield and better quality of the sward. The course of this improvement depends on the dose and efficiency of herbicides and partially on the application time.