Publication Date

1989

Description

Warm-season perennial grasses are the foundation of pasture systems in the southeastern U.S. Though well adapted, these species require significant amounts of nitrogen (N) fertilizers to maintain forage production. Nitrogen fertilizers are widely used to improve the yield and quality of grass pastures because it was less expensive and easier to manage than grass-legume mixtures. Cool-season clovers overseeded into dormant peren­nial warm-season swards offer a practical method to extend the grazing season and improve forage quality while capitalizing on the ability of inoculated clovers to supply nitrogen to pro­duction systems thus decreasing production costs (Burton, 1976 ; Hoveland et al., l 978 ; Knight, 1970). The objectives of this study were 1) to determine the effect of ryegrass and sod competition on clover performance and the reciprocal effect of clovers on ryegrass and perennial grass swards, and 2) to evalu­ate the performance of six cool-season clovers for production systems.

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Forage Contribution of Overseeded Cool-Season Clovers

Warm-season perennial grasses are the foundation of pasture systems in the southeastern U.S. Though well adapted, these species require significant amounts of nitrogen (N) fertilizers to maintain forage production. Nitrogen fertilizers are widely used to improve the yield and quality of grass pastures because it was less expensive and easier to manage than grass-legume mixtures. Cool-season clovers overseeded into dormant peren­nial warm-season swards offer a practical method to extend the grazing season and improve forage quality while capitalizing on the ability of inoculated clovers to supply nitrogen to pro­duction systems thus decreasing production costs (Burton, 1976 ; Hoveland et al., l 978 ; Knight, 1970). The objectives of this study were 1) to determine the effect of ryegrass and sod competition on clover performance and the reciprocal effect of clovers on ryegrass and perennial grass swards, and 2) to evalu­ate the performance of six cool-season clovers for production systems.