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Studies on the cutting management of grass-clover swards VI. The effects of different closeness and frequency of cutting treatments on the yield and quality of herbage from a cocksfoot/white clover sward

Published online by Cambridge University Press:  27 March 2009

D. Reid
Affiliation:
The Hannah Dairy Research Institute, Ayr

Summary

Yields and quality of herbage from a cocksfoot/white clover sward were compared over a 3-year period when cut repeatedly with a reeiprocating-blade mower to either 1 in or 2½ in from ground level or with a cylinder lawnmower to 1 in from ground level. The comparisons were made under two frequencies of cutting, namely five times per season at the ‘grazing’ stage, or three times at the ‘silage’ stage.

Cutting to 1 in from ground level with the reciprocating-blade mower gave a greater total yield of dry matter and crude protein than did cutting to 2½ in with the same mower in the first year, when the average dry-matter yield difference was 10·7 %, but no significant differences were recorded in subsequent years. It is suggested that the difference noted in the first year was due mainly to the harvesting at the first cut in the season of the layer of herbage between 1 and 2½ in from ground level, and not to any differential effects of the treatments on stem and leaf development of the cocksfoot.

Cutting to 1 in from ground level with the lawnmower gave smaller dry-matter yields than did cutting to 1 in with the reciprocating-blade mower at both stages of growth in the first year, but a slightly greater yield at the ‘grazing’ stage in the third year. The type of mower used affected the botanical composition of the sward.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1968

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References

REFERENCES

Appadurai, R. R. & Holmes, W. (1964). The influence of stage of growth, closeness of defoliation, and moisture on the growth and productivity of a ryegrass-white clover sward. I. Effect on herbage yields. J. agric. Sci., Camb. 62, 327–32.CrossRefGoogle Scholar
Huokuna, E. (1964). The effect of frequency and height of cutting on cocksfoot swards. Ann. Agric. Fen. 3, 183.Google Scholar
Reid, D. (1959). Studies on the cutting management of grass-clover swards. I. The effect of varying the closeness of cutting on the yields from an established grass-clover sward. J. agric. Sci., Camb. 53, 299312.CrossRefGoogle Scholar
Reid, D. (1961). Factors influencing the role of clover in grass-clover leys fertilized with nitrogen at different rates. I. The effects of the variety of companion grass on the yields of total herbage and of clover. J. agric. Sci., Camb. 56, 143–53.CrossRefGoogle Scholar
Reid, D. (1962). Studies on the cutting management of grass-clover swards. III. The effects of prolonged close and lax-cutting on herbage yields and quality. J. agric. Sci., Camb. 59, 359–68.CrossRefGoogle Scholar
Redd, D. (1966). Studies on the cutting management of grass-clover swards. IV. The effects of close and lax cutting on the yield of herbage from swards cut at different frequencies. J. agric. Sci., Camb. 66, 101–6.CrossRefGoogle Scholar
Reid, D. (1967). Studies on the cutting management of grass-clover swards. V. The effect of changes in the closeness of cutting at different times in the season on the yield and quality of herbage from a perennial ryegrass-white clover sward. J. agric. Sci., Camb. 68, 249–54.CrossRefGoogle Scholar
Reid, D. & MacLusky, D. S. (1960). Studies on the cutting management of grass-clover swards. II. The effects of close cutting with either a gang mower or reciprocating-knife mower on the yields from an established grass-clover sward. J. agric. Sci., Camb. 54, 158–65.CrossRefGoogle Scholar
Tayler, J. C. & Rudman, J. E. (1966). The distribution of herbage at different heights on ‘grazed’ and ‘dung patch’ areas of a sward under two methods of grazing management. J. agric. Sci., Camb. 66, 2939.CrossRefGoogle Scholar