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NZ Grassland Association Inc

Volume 79, Whanganui 2017

Argentine stem weevil: farmer awareness and the effectiveness of different ryegrass/endophyte associations
A.J. POPAY, K. RIJSWIJK and S.L. GOLDSON

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Differences in nitrogen uptake and marginal yield response between low and high yielding perennial ryegrass (Lolium perenne) genotypes
M. HARMER, C. FARLOW, A.V. STEWART and D.R. WOODFIELD

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Different combinations of perennial ryegrass and white clover phenotypes do not affect mixture yield under cutting management during establishment
L. ROSSI, D.F. CHAPMAN and G.R. EDWARDS

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Diurnal changes in the nutritive composition of four forage species at high and low N fertiliser
L.A. BOX, G.R. EDWARDS and R.H. BRYANT

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Dry matter yield and the prevalence of barley yellow dwarf and ryegrass mosaic viruses in old and young perennial ryegrass
M.B. FARQUHAR1, C.S. WINEFIELD1 and C.C. EADY2

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Economics of a variable rate fertiliser strategy on a Whanganui hill country station
M.D. WHITE, A.K. METHERELL, A.H.C. ROBERTS, R.E. MEYER and T.A. CUSHNAHAN

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Effect of autumn regrowth interval and nitrogen fertiliser on dry matter yield and plant characteristics of six forage species
K.E. MARTIN, R.H. BRYANT, S. HODGE and G.R. EDWARDS

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Establishment year productivity, botanical composition and nutritive value of grass/lucerne/plantain dairy pasture mixtures
M.B. DODD, D.E. DALLEY, D. ELLIOTT and C.M. WIMS

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Estimation of ergovaline intake of cows from grazed perennial ryegrass containing NEA2 or standard endophyte
C.C. EADY, J.R. CORKRAN, K.M. BAILEY, G.A. KERR and A.M. NICOL

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Farmer adoption of pasture renewal practices: the influence of credible information sources
W.YANG and K. RIJSWIJK

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Further field evaluation of the controlled release nitrogen fertiliser Smartfert®
D.C. EDMEADES and R.M. McBRIDE

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Helicropping – early adopters’ experiences
P.M.S. LANE and B.E. WILLOUGHBY

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Identification of operational performance attributes for pasture measuring devices
C.R. EASTWOOD and B.T. DELA RUE

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Identification of pasture mixtures that maximise dry matter yield
A.D. BLACK, S. ANDERSON and S.K. DALGETY

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Implementing change: barriers and opportunities
T.A. NELSON, M.A. BROWN, S.J. FIELKE, A.D. MACKAY, P.R. PAYNE, A.P. RHODES and W. SMITH

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Implications for winter grazing managements and dead material on the performance of young cattle in spring
D.R. STEVENS, B.R. THOMPSON and G.R. WOOD

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Implications of increased use of brought-in feeds on potential environmental effects of dairy farms in Waikato
S.F. LEDGARD, N.L. BARTLETT, P.J. VAN BOHEEMEN, B.R. WILTON, S.B. ALLEN and D.P. MUGGERIDGE

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Information required from research programmes when introducing legume forage systems into challenging environments
T.A. NELSON1, S.M. ZYDENBOS2 and D.R. STEVENS3

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Levy oration – 2016 Lessons learnt and future opportunities
Richard Green

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Lime application can help protect pastures against black beetle
PJ Gerard and DJ Wilson

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Lucerne with a high coumestrol content is not a suitable feed for ewes just before and during the early breeding period
L.M. CRANSTON, P.R. KENYON, R.L. FIELDS, D.J. MOOT, R.A. CORNER-THOMAS, P.D. KEMP and S.T. MORRIS

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Milk fatty acid and protein profiles of late-lactation dairy cows as affected by time of allocation of a fresh strip of ryegrass-based pasture
R.E. VIBART, M. TAVENDALE, D. OTTER and D. PACHECO

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Modelling options to increase milk production while reducing N leaching for an irrigated dairy farm in Canterbury
P.C. BEUKES, P. EDWARDS and T. COLTMAN

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NZGA PRESIDENT’S ADDRESS 2016 Systems research: the need for a change of thinking
DR Stevens

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NZGA PRESIDENT’S ANNUAL REPORT FOR 2015/2016
DAVID STEVENS

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Optical sensors for variable rate nitrogen application in dairy pastures
K. WIGLEY, J.L. OWENS, J.A.K. TRETHEWAY, D.C. EKANAYAKE, R.L. ROTEN and A. WERNER

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Pastoral farming and the science interface – a farmers view
DV Pearce

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Post-sampling procedure affects the measured nutritive value of perennial ryegrass (Lolium perenne)
T.M. DALE, R.M. GREENFIELD, K.N. TOZER and C.A. CAMERON

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Post-truth, alternative facts and the role of the Environmental Protection Authority
J.S. ROWARTH

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Post-weaning performance of East Friesian cross ewe lambs grazing ryegrass or plantain-based pastures after rearing on two contrasting diets
D.R. STEVENS, F.W. KNOL, B.A. NEIPER,3 and S.A. McCOARD

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Reducing nitrogen fertiliser alters dairy shed effluent quality
S.J. DENNIS

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Response of pastures to fertiliser nitrogen on two peat soils in the Waikato region
W.T. CARLSON, G.L. LUCCI and M.S. SPROSEN

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Sediment and nutrient losses under winter cropping on two Manawatu hill country soils
L.L. BURKITT, J.L. WINTERS and D.J. HORNE

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Soil inorganic nitrogen in spatially distinct areas within a commercial dairy farm in Canterbury, New Zealand
D.C. EKANAYAKE, J.L. OWENS, S. HODGE, J.A.K. TRETHEWAY, R.L. ROTEN, M. WESTERSCHULTE, S.BELIN, A. WERNER and K. CAMERON

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The effect of deferred grazing in spring and early summer pastures on pasture growth rate and feed quality
B.P. DEVANTIER, D.R. STEVENS, G.M. RENNIE and K.N. TOZER

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The implications of winter milk premiums for sustainable profitability of dairy systems
T.L. CHIKAZHE, K.A. MASHLAN, P.C. BEUKES, C.B. GLASSEY, J. HAULTAIN and M.B. NEAL

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The relative strengths of phosphate fertiliser application and white clover cultivar introduction for hill pasture improvement
D.F. CHAPMAN, A.D. MACKAY, B.P. DEVANTIER, D.A. COSTALL and P.J. BUDDING

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The value of legumes to a Whanganui hill country farm
J.M. RENDEL, A.D. MACKAY and P.N. SMALE

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Tolerance of newly sown cocksfoot-clover pastures to the herbicide imazethapyr
T.R. LEWIS, R.J. LUCAS, R.W. HOFMANN and D.J. MOOT

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Trajectory and causes of decline in the botanical composition of dairy-grazed pasture in the Waikato
J.M. LEE, E.R. THOM, C.D. WAUGH, N.L. BELL, M.R. McNEILL, D.J. WILSON and D.F. CHAPMAN

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Validation of perennial ryegrass cultivar Forage Value Index rankings using independent trial data
C.I. LUDEMANN, C.M.WIMS and D.F. CHAPMAN

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Variable and differential application of nutrients to a hill country farm
JD Morton and A Gillingham

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Winter rotation length effect on pasture production and animal performance
C. MATTHEW, M.A. OSBORNE, Y. LIU, X. DUAN and F. HOU

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