Results 271 to 280 of about 2,874 (296)

THE EFFECT OF CUTTING HEIGHT AND CUTTING FREQUENCY ON THE PRODUCTIVITY OF AN ITALIAN RYEGRASS SWARD

Grass and Forage Science, 1972
ABSTRACTThree cutting heights, 1, 3 and 5 in. (2.5, 7.6 and 12.7 cm), and three cutting frequencies, 3, 6 and 10 weeks, were imposed on a pure sward of Italian ryegrass (Lolium multiflorum) cv. Irish. Lowering the cutting height increased the yield of DM, digestible DM, crude protein and crude fibre.
R. C. Binnie, F. J. Harrington
openaire   +1 more source

The relationship between level of sward height reduction in a rotationally grazed sward and short‐term intake rates of dairy cows

Grass and Forage Science, 1999
The objective of this study was to investigate the relationship between level of sward height reduction (SHR) and short‐term intake of herbage by lactating dairy cows offered swards differing in initial bulk density (BD). Three experiments were carried out in which cows were presented with swards representing different levels of SHR (nominally ...
null McGilloway, null Cushnahan, null Laidlaw, null Mayne, null Kilpatrick   +4 more
openaire   +1 more source

A comparison of diploid and tetraploid perennial ryegrass and tetraploid ryegrass/white clover swards under continuous sheep stocking at controlled sward heights. 1. Sward characteristics

Grass and Forage Science, 1993
AbstractTwo 1·0 ha plots of a late‐heading diploid perennial ryegrass (var. Contender) and a late‐heading tetraploid ryegrass (var. Condesa), and two 1·4 ha plots of the tetraploid with Aberystwyth S184 small‐leaved white clover, were direct sown in May 1987.
Swift, G, Vipond, JE, McClelland, TH, Fitzsimons, J, Milne, JA, Hunter, EA   +5 more
openaire   +2 more sources

A model of a grass sward continuously grazed to a constant mean height

Ecological Modelling, 1991
Abstract A model was constructed to simulate the canopy development of a vegetative grass sward, continuous grazed to a constant mean height. Additional submodels were constructed or adapted to simulate grazing and the physiological response of the plants to defoliation and the environment.
openaire   +3 more sources

Effect of sward surface height on the performance of ewes and Iambs continuously grazed on grass/clover and nitrogen‐fertilized grass swards

Grass and Forage Science, 1992
AbstractIn three successive years, sward height was maintained at 3, 5, 7 or 9 cm on grass swards receiving a total of 300 kg N ha−1 in six equal monthly dressings from April, and on grass/clover swards receiving 50 kg N ha−1 as a single dressing in early spring. From turnout in April until weaning in July, 64 ewes and their lambs (mean litter size 1·5)
openaire   +1 more source

Effect of sward surface height and level of herbage depletion on bite features of cattle grazing Sorghum bicolor swards.

Journal of animal science, 2014
To maximize herbage DMI, pregrazing sward surface height (SSH) and level of herbage depletion (HD) must be such that variables determining short-term herbage intake such as bite mass (BM) and bite rate (BR) are optimized. The objective of this study was to determine a SSH target and the level of HD as a proportion of the SSH that optimizes BM and BR of
Fonseca, L, Carvalho, PCF, Mezzalira, JC, Bremm, C, Galli, JR, Gregorini, Pablo   +5 more
openaire   +2 more sources

Development of Machine Learning Models to Predict Compressed Sward Height in Walloon Pastures Based on Sentinel-1, Sentinel-2 and Meteorological Data Using Multiple Data Transformations

Remote Sensing, 2021
Charles Nickmilder, Isabelle Dufrasne, Françoise Lessire   +2 more
exaly  

Forage production and sward height of Panicum pastures

2006
C. Leonelli, M.A.S. Lara, Collucci, Daniel, Pedreira, Bruno Carneiro E, R.L.G. Nave, F. Curcelli, C.G.S. Pedreira   +6 more
openaire   +1 more source

The influence of sward height and vegetation composition in determining the habitat preferences of three Chorthippus species (Orthoptera: Acrididae) in Chelmsford, Essex, UK

Journal of Orthoptera Research, 2002
Tim Gardiner, Julian Hill
exaly  

Effect of sward height and distance between pasture and barn on cows’ visits to an automatic milking system and other behaviour

Livestock Science, 2000
A H Ipema, C Lokhorst, J H M Metz
exaly