Amount and quality of grass harvested for first-cut silage for differing spring-grazing frequencies of two mixtures of perennial ryegrass cultivars with contrasting heading date

Grass and Forage Science

Volumn 61, Issue 1, 2006, Pages 77-88

  Humphreys, J ^a   O'Kiely, P ^a  

^a TEAGASC   (Ireland)

Author keywords

Cultivar; Harvest date; Heading date; Perennial ryegrass; Silage; Spring growth

Indexed keywords

GRASS; GRAZING MANAGEMENT; HARVESTING; PRODUCTIVITY; QUALITATIVE ANALYSIS; SILAGE;

EURASIA; EUROPE; IRELAND; WESTERN EUROPE;

LOLIUM PERENNE;

EID: 33645119524     PISSN: 01425242     EISSN: 13652494     Source Type: Journal    
DOI: 10.1111/j.1365-2494.2006.00511.x     Document Type: Article

References (31)

1. B rereton A.J. M c G illoway D.A. 1999 Winter growth of varieties of perennial ryegrass (Lolium perenne L.) Irish Journal of Agricultural and Food Research 38 1 12
2. B yrne E. 1979 Chemical Analysis of Agricultural Materials Dublin, Ireland An Foras Taluntais
3. DAFRD 1996 Herbage Varieties: Irish Recommended Lists 1994/95 Dublin, Ireland Department of Agriculture, Food and Rural Development, Crop Production and Safety Division
4. DAFRD 2003 Herbage Varieties: Irish Recommended Lists 2001/02 Dublin, Ireland Department of Agriculture, Food and Rural Development, Crop Production and Safety Division
5. D avies A. 1971 Growth rates and crop morphology in vernalized and non-vernalized swards of perennial ryegrass in spring Journal of Agricultural Science, Cambridge 78 27 35
6. D illon P. C rosse S. O 'brien B. M ayes R.W. 2002 The effect of forage type and level of concentrate supplementation on the performance of spring-calving dairy cows in early lactation Grass and Forage Science 57 212 223
7. F itzgerald D.A. F itzgerald D.L. 2004 Meteorological measurements In: Keane T. Collins J.F. eds Climate, Weather and Irish Agriculture pp 9 26 Dublin, Ireland Met Eireann
8. G ardiner M.J. 1962 Animal Production Research Centre, Grange, Co. Meath (Soil Map). Soil Survey Bulletin No. 2 Dublin, Ireland An Foras Taluntais
9. G ately T.F. 1984 Early versus late perennial ryegrass (Lolium perenne) for milk production Irish Journal of Agricultural Research 8 95 109
10. G ately T.F. 1994 Soil Analysis and Fertilizer, Lime, Animal Manure and Trace Element Recommendations Johnstown Castle, Wexford, Ireland Teagasc
11. G illiland T.J. 1995 Production and flowering of perennial ryegrass (Lolium perenne L.) in relation to time of cutting In: Jeffrey D.W. Jones M.B. McAdam J.H. eds Irish Grasslands - their Biology and Management pp 41 48 Dublin, Ireland Royal Irish Academy
12. G owen N.C. 2002 The effects of ploidy and heading date of perennial ryegrass ( Lolium perenne ) cultivars on sward characteristics and milk production by dairy cows in Ireland Ph.D. thesis National University of Ireland Dublin, Ireland
13. G reen J.O. C orrall A.J. T erry R.A. 1971 Grass Species and Varieties: Relationships between the Stage of Growth, Yield and Forage Quality. GRI Technical Report No. 8 Hurley, UK The Grassland Research Institute
14. K eating T. O'K iely P. 2000 Comparison of old permanent grassland, Lolium perenne and Lolium multiflorum swards grown for silage: 3. Effects of varying fertilizer nitrogen application rate Irish Journal of Agricultural and Food Research 39 35 53
15. Laidlaw A.S. 2005 The relationship between tiller appearance in spring and contribution to dry-matter yield in perennial ryegrass (Lolium perenne L.) cultivars differing in heading date Grass and Forage Science 60 200 209
16. M erry R.J. J ones R. T heodorou M.K. 2000 The conservation of grass In: Hopkins A. ed. Grass: its Production and Utilization 3rd edn pp 196 228 Oxford, UK Blackwell Science Ltd
17. M inson D.J. R aymond W.F. H arris C.E. 1960 Studies in the digestibility of herbage. VIII. The digestibility of S37 cocksfoot, S23 ryegrass and S24 ryegrass Journal of the British Grassland Society 15 174
18. NRC 2001 Nutrient Requirements of Dairy Cattle 7th edn Washington, DC, USA National Academy Press
19. O'D onovan M. D illon P. R ath M. S takelum G. 2002 A comparison of four methods of herbage mass estimation Irish Journal of Agricultural and Food Research 41 17 27
20. O'K iely P. M uck R.E. 1998 Grass silage In: Cherney J.H. Cherney D.J.R. eds Grass for Dairy Cattle pp 223 251 Wallingford, UK CAB International
21. O'R iordan E.G. D evaney S. F rench P. 1997 Sward height as a measurement of pasture herbage supply Irish Journal of Agricultural and Food Research 36 107 (abstract)
22. P arsons A.J. C hapman D.F. 2000 The principles of pasture growth and utilization In: Hopkins A. ed. Grass: its Production and Utilization 3rd edn pp 31 89 Oxford, UK Blackwell Science Ltd
23. P eyraud J.L. A stigarraga L. 1998 Review of the effect of nitrogen fertilization on the chemical composition, intake, digestion and nutritive value of fresh herbage: consequences on animal nutrition and N balance Animal Feed Science and Technology 72 235 259
24. R yan M. 1976 Grassland productivity: 2. Effect of fertilizer nitrogen on herbage N yield at 26 sites Irish Journal of Agricultural Research 15 1 10
25. SAS 1990 SAS/STAT User's Guide Version 6, 4th edn
26. S tapleton J. J ones M.B. 1987 Effects of vernalization on the subsequent rates of leaf extension and photosynthesis of perennial ryegrass (Lolium perenne L.) Grass and Forage Science 42 27 31
27. T erry R.A. T illey J.M.A 1964 The digestibility of leaves and stems of perennial ryegrass, cocksfoot, timothy, tall fescue, lucerne and sainfoin, as measured by in-vitro techniques Journal of the British Grassland Society 19 363 372
28. T illey J.M.A. T erry R.A. 1963 A two stage technique for the in-vitro digestion of forage crops Journal of the British Grassland Society 18 104 111
29. V an S oest P.J. 1967 Development of a comprehensive system of feed analyses and its application to forages Journal of Animal Science 26 119 128
30. W ilkins P.W. 1995 Independence of dry matter yield and leaf yield among perennial ryegrass varieties differing in seasonal yield distribution Grass and Forage Science 50 155 161
31. W ilman D. G ao Y. A ltimimi M.A.K. 1996 Differences between related grasses, time of year and plant parts in digestibility and chemical composition Journal of Agricultural Science, Cambridge 127 311 318