Search Results - "Carton, O. T."

The influence of diet crude protein level on odour and ammonia emissions from finishing pig houses by Hayes, E.T, Leek, A.B.G, Curran, T.P, Dodd, V.A, Carton, O.T, Beattie, V.E, O’Doherty, J.V

“…Feed trials were carried out to assess the influence of crude protein content in finishing pig diets on odour and ammonia emissions. Eight pigs (4 boars and 4…”
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A new inventory of ammonia emissions from Irish agriculture by Hyde, B.P, Carton, O.T, O’Toole, P, Misselbrook, T.H

“…Agriculture plays a vital role in the Irish economy, accounting for 3.5% of the gross domestic product (GDP) in 2000. Grassland farming and, in particular,…”
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Nitrous Oxide Emissions from a Fertilized and Grazed Grassland in the South East of Ireland by Hyde, B. P., Hawkins, M. J., Fanning, A. F., Noonan, D., Ryan, M., O’ Toole, P., Carton, O. T.

“…Agriculture currently accounts for 28% of national greenhouse gas emissions in Ireland. Nitrous oxide (N2O) emissions from agricultural soils account for 38%…”
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Nutrient Management Planning: Justification, Theory, Practice by Beegle, D. B., Carton, O. T., Bailey, J. S.

“…Traditionally, nutrient management has been concerned with optimizing the economic return from nutrients used for crop production. Today, the agronomic and…”
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Response of silage yield to land application of out-wintering pad effluent in Ireland by Augustenborg, C.A., Carton, O.T., Schulte, R.P.O., Suffet, I.H.

“…Out-wintering pads (OWPs) are a low capital-cost cattle housing system gaining popularity in Ireland and other countries. OWPs consist of a layer of timber…”
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Geostatistical analyses and hazard assessment on soil lead in Silvermines area, Ireland by McGrath, David, Zhang, Chaosheng, Carton, Owen T.

“…Spatial distribution and hazard assessment of soil lead in the mining site of Silvermines, Ireland, were investigated using statistics, geostatistics and…”
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Effect of an agri-environmental measure on nitrate leaching from a beef farming system in Ireland by Richards, K.G., Jahangir, M.M.R., Drennan, M., Lenehan, J.J., Connolly, J., Brophy, C., Carton, O.T.

“…•Rural environmental protection scheme significantly reduces nitrogen application in grassland.•Rural environmental protection scheme significantly reduces…”
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model describing the utilization of herbage by cattle in a rotational grazing system by Brereton, A.J, Holden, N.M, McGilloway, D.A, Carton, O.T

“…A model that describes the utilization of herbage by cattle in a rotational grazing system is presented. The model considers swards as being structured into…”
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Monitoring of nitrogen leaching on a dairy farm during four drainage seasons by Ryan, M, Brophy, C, Connolly, J, McNamara, K, Carton, O.T

“…The effect of four commonly used dairy farm management systems (treatments), on nitrogen leaching to 1 m was studied over a 4-year period from October 2001 to…”
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Estimation of the Nutrient Value of Agricultural Slurries by Measurement of Physical and Chemical Properties by Scotford, I.M., Cumby, T.R., White, R.P., Carton, O.T., Lorenz, F., Hatterman, U., Provolo, G.

“…A prototype nutrient sensing system was used to investigate relationships between the nutrient status of agricultural slurries and a range of physical and…”
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Analysis of the seasonal changes in the structure of a perennial ryegrass (Lolium perenne L.) sward under different defoliation managements by Brereton, A.J, Carton, O.T

“…The objective of the work was to examine the relative distribution of dry matter in each of the structural components of a sward and to compare the changes…”
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Tissue Turnover in Perennial Ryegrass (Lolium perenne L.) during Winter by Brereton, A. J., Carton, O. T., O'Keeffe, W. F.

“…Leaf tissue turnover in labelled tillers of perennial ryegrass (cv Vigor) was correlated with air temperature. The relationship was affected by vernalisation…”
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The interactive effects of fertiliser nitrogen with dung and urine on nitrous oxide emissions in grassland by Hyde, B.P., Forrestal, P.J., Jahangir, M.M.R., Ryan, M., Fanning, A.F., Carton, O.T., Lanigan, G.J., Richards, K.G.

“…Nitrous oxide (N₂O) is an important and potent greenhouse gas (GHG). Although application of nitrogen (N) fertiliser is a feature of many grazing systems,…”
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The composition of dirty water on dairy farms in Ireland by Martínez-Suller, L., Provolo, G., Carton, O. T., Brennan, D., Kirwan, L., Richards, K. G.

“…Considerable quantities of dirty water, composed of milking parlour wash-water, milk spillages, runoff from cattle yard areas and, possibly, effluent from…”
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Degradation of Forestry Timber Residue Over One Growing Season Following Application to Grassland in Ireland by Augustenborg, C.A, Carton, O.T, Schulte, R.P.O, Suffet, I.H

“…Out-wintering pads are an outdoor wintering system for cattle built by placing a layer of timber residue over an artificially drained surface. The liquid…”
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A note on the estimation of nutrient value of cattle slurry using easily determined physical and chemical parameters by Martínez-Suller, L., Provolo, G., Brennan, D., Howlin, T., Carton, O.T., Lalor, S.T.J., Richards, K.G.

“…The composition of cattle slurries can vary greatly due to factors such as farm management, meteorology, animal diet and housing system. Thus, when spread on…”
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Nitrous oxide emissions from a fertilized grazed grassland in Ireland by Hyde, B.P., Hawkins, M.J., Ryan, M., Carton, O.T.

“…A field experiment was undertaken to compare nitrous oxide (N 2O) emissions from a grazed pasture receiving three different nitrogen (N) fertilizer application…”
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Effect of Turnout Date and Grazing Severity in a Rotationally Grazed Reproductive Sward: 1. Dry Matter Production by Carton, O. T., Brereton, A. J., O'Keeffe, W. F., Keane, G. P.

“…In this study the effects of turnout date and grazing severity on dry matter (DM) production and its components in a rotationally grazed perennial ryegrass…”
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Effect of Turnout Date and Grazing Severity in a Rotationally Grazed Reproductive Sward: 2. Tissue Turnover by Carton, O. T., Brereton, A. J., O'Keeffe, W. F., Keane, G. P.

“…The effects of turnout date and grazing severity on tissue turnover up to mid-June in a rotationally grazed perennial ryegrass sward are described…”
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Effects of autumn closing date and grazing severity in a rotationally grazed sward during winter and spring. 1. Dry matter production by Carton, O. T., Brereton, A. J., O'Keeffe, W. F., Keane, G. P.

“…The effects of autumn closing date and grazing severity prior to closing on dry matter yield and its components through the winter up to early summer are…”
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