Abstract
During the grazing season of 1993 one group of cows (n=34) grazed day and night while an other group (n=40) grazed only during the day ; these were housed at night receiving maize silage (5.3 kg per cow per day). Although N-input and N-output, in kg N per ha, was different for both grazing systems, the N-surplus was the same. The area of grassland covered by dung pats and urine scorch, the N-content of the cow faeces and the grass and the urea content of the milk (Azotest) were significantly higher on the day + night grazing system. From these results, it can be concluded that the choice of the grazing and management system has a real influence on the nitrogen cycle on grassland.
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References
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© 1996 Springer Science+Business Media Dordrecht
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Carlier, L., Verbruggen, I. (1996). Maize supplementation for grazing cows on the N content of milk, faeces and grass. In: Van Cleemput, O., Hofman, G., Vermoesen, A. (eds) Progress in Nitrogen Cycling Studies. Developments in Plant and Soil Sciences, vol 68. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5450-5_28
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DOI: https://doi.org/10.1007/978-94-011-5450-5_28
Publisher Name: Springer, Dordrecht
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