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The impact of using alternative forages on the nutrient value within slurry and its implications for forage productivity in agricultural systems. / Crotty, F.V.; Fychan, R.; Theobald, V.J. et al.
Yn: PLoS ONE, Cyfrol 9, Rhif 5, 15.05.2014.

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Crotty FV, Fychan R, Theobald VJ, Sanderson R, Chadwick DR, Marley CL. The impact of using alternative forages on the nutrient value within slurry and its implications for forage productivity in agricultural systems. PLoS ONE. 2014 Mai 15;9(5). doi: 10.1371/journal.pone.0097516

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TY - JOUR

T1 - The impact of using alternative forages on the nutrient value within slurry and its implications for forage productivity in agricultural systems

AU - Crotty, F.V.

AU - Fychan, R.

AU - Theobald, V.J.

AU - Sanderson, R.

AU - Chadwick, D.R.

AU - Marley, C.L.

PY - 2014/5/15

Y1 - 2014/5/15

N2 - Alternative forages can be used to provide valuable home-grown feed for ruminant livestock. Utilising these different forages could affect the manure value and the implications of incorporating these forages into farming systems, needs to be better understood. An experiment tested the hypothesis that applying slurries from ruminants, fed ensiled red clover (Trifolium pratense), lucerne (Medicago sativa) or kale (Brassica oleracea) would improve the yield of hybrid ryegrass (Lolium hybridicum), compared with applying slurries from ruminants fed ensiled hybrid ryegrass, or applying inorganic N alone. Slurries from sheep offered one of four silages were applied to ryegrass plots (at 35 t ha−1) with 100 kg N ha−1 inorganic fertiliser; dry matter (DM) yield was compared to plots only receiving ammonium nitrate at rates of 0, 100 and 250 kg N ha−1 year−1. The DM yield of plots treated with 250 kg N, lucerne or red clover slurry was significantly higher than other treatments (Pred clover (81 kg) >kale (44 kg) >ryegrass (26 kg ha−1 yr−1). These FNE values represent relative efficiencies of 22% (ryegrass), 52% (kale), 47% (red clover) and 60% for lucerne slurry, with the ryegrass slurry efficiency being lowest (P = 0.005). Soil magnesium levels in plots treated with legume slurry were higher than other treatments (P

AB - Alternative forages can be used to provide valuable home-grown feed for ruminant livestock. Utilising these different forages could affect the manure value and the implications of incorporating these forages into farming systems, needs to be better understood. An experiment tested the hypothesis that applying slurries from ruminants, fed ensiled red clover (Trifolium pratense), lucerne (Medicago sativa) or kale (Brassica oleracea) would improve the yield of hybrid ryegrass (Lolium hybridicum), compared with applying slurries from ruminants fed ensiled hybrid ryegrass, or applying inorganic N alone. Slurries from sheep offered one of four silages were applied to ryegrass plots (at 35 t ha−1) with 100 kg N ha−1 inorganic fertiliser; dry matter (DM) yield was compared to plots only receiving ammonium nitrate at rates of 0, 100 and 250 kg N ha−1 year−1. The DM yield of plots treated with 250 kg N, lucerne or red clover slurry was significantly higher than other treatments (Pred clover (81 kg) >kale (44 kg) >ryegrass (26 kg ha−1 yr−1). These FNE values represent relative efficiencies of 22% (ryegrass), 52% (kale), 47% (red clover) and 60% for lucerne slurry, with the ryegrass slurry efficiency being lowest (P = 0.005). Soil magnesium levels in plots treated with legume slurry were higher than other treatments (P

U2 - 10.1371/journal.pone.0097516

DO - 10.1371/journal.pone.0097516

M3 - Article

VL - 9

JO - PLoS ONE

JF - PLoS ONE

SN - 1932-6203

IS - 5

ER -