Publication Date

1989

Description

In Spain, lucerne is mainly grown on irrigated areas for hay production and dehydration industry. The utilization of lucerne under grazing is very infrequent, due to the detrimental effects on both, animal health and plants persistence that have been attributed to it. However, lucerne dry matter (DM) pro­duction and quality in addition of being its cultivation more economical than grasses, offer interesting advantages to be used as a green forage (Delgado, 1984). New Zealand workers (Agronomy Society of New Zealand, 1982) have stressed that lucerne could be successfully managed under grazing when long resting periods were provided between short grazing periods. The present study deals with the effects of a lucerne crop on DM production and persistence when rotationally grazed by sheep under intensive conditions of culture.

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Effects of Sheep Grazing on Dry Matter Production and Persistence of a Lucerne Crop

In Spain, lucerne is mainly grown on irrigated areas for hay production and dehydration industry. The utilization of lucerne under grazing is very infrequent, due to the detrimental effects on both, animal health and plants persistence that have been attributed to it. However, lucerne dry matter (DM) pro­duction and quality in addition of being its cultivation more economical than grasses, offer interesting advantages to be used as a green forage (Delgado, 1984). New Zealand workers (Agronomy Society of New Zealand, 1982) have stressed that lucerne could be successfully managed under grazing when long resting periods were provided between short grazing periods. The present study deals with the effects of a lucerne crop on DM production and persistence when rotationally grazed by sheep under intensive conditions of culture.