Effect of defoliation frequency on an irrigated perennial pasture in northern Victoria. 1. Seasonal production and sward composition

Australian Journal of Agriculture Research

Volumn 48, Issue 6, 1997, Pages 811-817

  Lawson, A R ^a   Kelly, K B ^a   Sale, P W G ^b  

^a Institute of Sustainable Irrigated Agriculture   (Australia)

^b LA TROBE UNIVERSITY   (Australia)

Author keywords

Growing points; Lolium perenne; Tillers; Trifolium repens

Indexed keywords

DEFOLIATION; DRY MATTER PRODUCTION; PASTURE; PERENNIAL RYEGRASS; SWARD COMPOSITION; WHITE CLOVER;

AUSTRALIA; VICTORIA;

FABACEAE; LOLIUM; LOLIUM PERENNE; POACEAE; TRIFOLIUM; TRIFOLIUM REPENS; VICTORIA;

EID: 0030836991     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/A96088     Document Type: Article

References (23)

1. Bircham, J. S., and Hodgson, J. (1983). The influence of sward conditions on rates of herbage growth and senescence in mixed swards under continuous stocking management. Grass and Forage Science 38, 323-31.
2. Casal, J. J., Deregibus, V. A., and Sanchez, R. A. (1985). Variations in tiller dynamics and morphology in Lolium multiflorum vegetative and reproductive plants as affected by differences in red/far-red irradiation. Annals of Botany 56, 553-9.
3. Chapman, D. F. (1983). Growth and demography of Trifolium repens stolons in grazed hill pastures. Journal of Applied Ecology 20, 597-608.
4. Evans, D. R., Williams, T. A., and Evans, S. A. (1992). Evaluation of white clover varieties under grazing and cutting and their role in farm systems. Grass and Forage Science 47, 342-52.
5. Fulkerson, W. J., and Michell, P. J. (1987). The effect of height and frequency on the growth and composition of perennial ryegrass - white clover swards in the autumn to spring period. Grass and Forage Science 42, 169-74.
6. Harris, W., and Thomas, V. J. (1973). Competition among pasture plants. III. Effects of frequency and height of cutting on competition between white clover and two ryegrass cultivars. New Zealand Journal of Agricultural Research 16, 49-58.
7. Hay, R. J. M., and Baxter, G. S. (1989). Manipulating the plastic response of white clover through grazing in a cool temperate climate in New Zealand. In 'Proceedings of the 16th International Grasslands Congress, Nice, France'. (Ed. R. Jarrige.) pp. 1053-4. (The French Grassland Association.)
8. Kelly, K. B., and Smith, P. J. (1990). The effects of grazing management on the productivity of pure legume pastures. In 'Research Report, 1989-90, Institute for Sustainable Agriculture', pp. 105-6. (Department of Agriculture, Victoria: Tatura.)
9. Laidlaw, A. S., and Stewart, T. A. (1987). Clover development in the sixth to ninth year of a grass/clover sward as affected by out-of-season management and spring fertiliser nitrogen application. Research and Development in Agriculture 4, 155-60.
10. Lawson, A. R., Kelly, K. B., and Sale, P. W. G. (1997). Effect of defoliation frequency on an irrigated perennial pasture in northern Victoria. 2. Individual plant morphology. Australian Journal of Agricultural Research 48, 819-29.
11. Martin, F. M. (1985). High production of irrigated perennial pastures. In 'The Challenge: Efficient Dairy Production'. (Ed. T. I. Phillips.) pp. 29-30. (Australian Society of Animal Production: Albury.)
12. Mason, W. K. (1993). 'White Clover, a Key to Increasing Milk Yields.' (Daratech: East Melbourne.)
13. Mason, W. K., Kelly, K. B., Blaikie, S. J., and Stockdale, C. R. (1987). New directions for irrigated pastures. Proceedings of the Australian Agronomy Society 4, 100-17.
14. Parsons, A. J., Johnson, I. R., and Harvey, A. (1988). Use of a model to optimise the interaction between frequency and severity of intermittent defoliation and to provide a fundamental comparison of the continuous and intermittent defoliation of grass. Grass and Forage Science 43, 49-59.
15. Rogers, G. L., Porter, R. H. D., and Robinson, I. (1982). Milk production of dairy cows grazing white clover and perennial ryegrass. Proceedings of the Australian Society of Animal Production 16, 427.
16. Simon, J. C., and Lemaire, G. (1987). Tillering and leaf area index in grasses in the vegetative stage. Grass and Forage Science 42, 373-80.
17. Skene, J. K. M., and Poutsma, T. J. (1962). 'Soils and Land Use in Part of the Goulburn Valley, Victoria.' Technical Bulletin, Number 14. (Department of Agriculture, Victoria: Melbourne.)
18. Solangaarachchi, S. M., and Harper, J. L. (1987). The effect of canopy filtered light on the growth of white clover Trifolium repens. Oecologia 72, 372-6.
19. Stockdale, C. R. (1983). The growth and utilisation of irrigated pastures grazed by dairy cows. Master Agricultural Science Thesis. Melbourne University, Australia.
20. Thompson, L., and Harper, J. L. (1988). The effect of grasses on the quality of transmitted radiation and its influence on the growth of white clover, Trifolium repens. Oecologia 75, 343-7.
21. Thomson, D. J. (1979). Effect of the proportion of legumes in the sward on animal production. In 'Changes in Sward Composition and Productivity; Occasional Publication British Grassland Society No. 10'. (Eds A. H. Charles and R. J. Haggar.) pp. 101-9. (British Grassland Society: Hurley.)
22. Thomson, D. J. (1984). The nutritive value of white clover. In 'Forage Legumes; Occasional Publication British Grassland Society No. 16'. (Ed. D. J. Thomson.) pp. 78-92. (British Grassland Society: Hurley.)
23. Woledge, J., Reyneri, A., Tewson, V., and Parsons, A. J. (1992). The effect of cutting on the proportions of perennial ryegrass and white clover in mixtures. Grass and Forage Science 47, 169-79.