Publication Date

1989

Description

Galicia is a humid region with mild winters in the atlantic coast of the north west of Spain. White clover and perennial ryegrass perform quite well in the acids soils, after P and lime. application. White clover potential is reduced due to the dry period in July and August. Use of N in spring could compen­sate this potential despite increasing seasonality. When clover is included in the sward, a low response to N application was expected, as usually happens in small plo1 experiments on an annual basis (Gonzalez, 1982). This experiment attemps to evaluate, in terms of animal pro­duction, the response to fertilizer nitrogen applied to a grass­clover sward grazed by young heifers.

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Effect of Nitrogen Fertilizer and Stocking Density on Grazing Cattle

Galicia is a humid region with mild winters in the atlantic coast of the north west of Spain. White clover and perennial ryegrass perform quite well in the acids soils, after P and lime. application. White clover potential is reduced due to the dry period in July and August. Use of N in spring could compen­sate this potential despite increasing seasonality. When clover is included in the sward, a low response to N application was expected, as usually happens in small plo1 experiments on an annual basis (Gonzalez, 1982). This experiment attemps to evaluate, in terms of animal pro­duction, the response to fertilizer nitrogen applied to a grass­clover sward grazed by young heifers.