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Studies on lucerne and lucerne-grass leys: IV. The effect of systems of grazing management on the persistence of a lucerne-cocksfoot ley

Published online by Cambridge University Press:  27 March 2009

M. G. Barker ,
F. Hanley  and
W. J. Ridgman
M. G. Barker
Affiliation:
School of Agriculture, University of Cambridge
F. Hanley
Affiliation:
School of Agriculture, University of Cambridge
W. J. Ridgman
Affiliation:
School of Agriculture, University of Cambridge
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Extract

1. Experiments to assess the effects of grazing management on the persistence of a lucerne-cocksfoot ley are described and the results discussed.

2. The work confirms the general opinion, based on other experiments in which lucerne was defoliated by cutting, that frequent defoliation causes a reduction in the persistence of the lucerne.

3. Defoliation at 8-weekly intervals maintained a satisfactory balance between the sown species in a lucerne-cocksfoot sward, irrespective of whether defoliation was by cutting or by grazing or by combination of the two.

4. Grazing at 4-weekly or 2-weekly intervals led to serious reductions in the proportion of lucerne in the sward.

5. The provision of a rest period, either early or late in the growing season, had little effect on the amount of lucerne present after 2 years on plots subjected to grazing at 4-weekly or 2-weekly intervals.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 48 , Issue 3 , February 1957 , pp. 361 - 365
Copyright
Copyright © Cambridge University Press 1957

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References

REFERENCES

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Rather, H. C. & Harrison, C. M. (1938). Spec. Bull. Mich. Agric. Exp. Sta. no. 292.Google Scholar
Ridgman, W. J., Hanley, F. & Barker, M. G. (1956). J. Agric. Sci. 47, 50.CrossRefGoogle Scholar