NZ Grassland Association Inc.

Proceedings

Volume 69, November 2007. Wairakei.

NZ and Australia price: NZ$30.00
Rest of World price: NZ$50.00
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Opening Session

• Presidential Address: Pastoral Agriculture – New Zealand’s Competitive. J.R.Caradus [download] (PDF, 204KB)

Land and water sustainability

• Sustainability issues in New Zealand agriculture – and possibilities for. Guy Salmon [download] (PDF, 68KB)
• Monitoring land use change in the Lake Taupo catchment between 1975, 1990 and 2002 using satellite remote sensing data. H. Lilienthal, A. Brauer, K. Betteridge and E. Schnug [download] (PDF, 261KB)

Feed Supply & Management

• Predicting accurate paddock-average pasture cover in Waikato dairy farms using satellite images. G. Mata, D.A. Clark, A. Edirisinghe, D. Waugh, E. Minneé and S.G. Gherardi [download] (PDF, 203KB)
• Investigations of alternative kale management: Production, regrowth and quality from different sowing and defoliation dates. H.E. Brown, S. Maley and D.R. Wilson [download] (PDF, 100KB)
• Effect of high nitrogen fertiliser applications on profitability within a lamb trading operation. P. Muir, B. Thomson and B. Brier [download] (PDF, 143KB)
• Establishment, growth and development of plantain and chicory under grazing. A.M. Powell, P.D. Kemp, IK.D. Jaya and M.A. Osborne [download] (PDF, 129KB)
• Management of Lotus corniculatus under dairy cow grazing. E.M.K. Minneé, S.J. Bluett, S.L. Woodward and P.G. Laboyrie [download] (PDF, 147KB)
• Productivity, persistence and nematode impact in pure and mixed swards of white clover and Lotus corniculatus. E.M.K. Minneé, R.N. Watson and S.L. Woodward [download] (PDF, 120KB)
• Impact of irrigation variability on pasture production and beneficial water use. V.O. Snow, R.F. Zyskowski, R.J. Martin, T.L. Knight, R.N. Gillespie, M.U. Riddle, T.J. Fraser and S.M. Thomas [download] (PDF, 128KB)
• Pasture yield and composition under different land uses in North Otago Rolling Downlands. T.A. White and T.L. Knight [download] (PDF, 255KB)
• PasturePlan™ : On-farm pasture growth and quality data for sheep and beef farms throughout New Zealand. W.J. Clarke-Hill and T.J Fraser [download] (PDF, 89KB)

Forestry to Pasture

• Best management practices for forestry to farming conversions. I. Elliott and M.F. Hawke [download] (PDF, 187KB)
• Pasture composition and production from different cropping sequences in dryland pasture converted from Pinus radiata forest. G.R. Edwards, D.J. Moot and A.J. Marshall [download] (PDF, 87KB)
• Yield and botanical composition of pastures sown under rape into an ex-Pinus radiata forest block. A. Mills, D.J. Moot, A. Marshall and G.R. Edwards [download] (PDF, 129KB)
• Lucerne establishment sequences to maximise weed control in ex-Pinus radiata L. plantations. D.J. Moot, A. Mills, A. Marshall and G.R. Edwards [download] (PDF, 124KB)
• Sustainable land use: A farm forester’s perspective. B Lee [download] (PDF, 145KB)
• Forage responses to lime and nitrogen fertiliser on land converted from pine forest to dryland pasture in Canterbury. A. Mills, D.J. Moot, A. Marshall and G.R. Edwards [download] (PDF, 129KB)

Managing for Water Quality

• New nitrogen mitigation technologies for evaluation in the Lake Taupo catchment. S.F. Ledgard, B.G.Welten, J.C. Menneer, K. Betteridge, J.R. Crush and M.D. Barton [download] (PDF, 128KB)
• Nitrate leaching and productivity of some farming options in the Lake Taupo catchment. K. Betteridge, C.J. Hoogendoorn, B.S. Thorrold, D.A. Costall, S.F. Ledgard [download] (PDF, 155KB)
• Reducing nitrate leaching losses from a Taupo pumice soil using a nitrification inhibitor eco-n. K.C. Cameron, H.J. Di, J.L. Moir and A.H.C. Roberts [download] (PDF, 160KB)
• Comparative environmental impacts of intensive all-grass and maize silage-supplemented dairy farm systems: a review. I.D. Williams, S.F. Ledgard, G.O. Edmeades and R.J. Densley [download] (PDF, 137KB)
• Simulation of mitigation strategies to reduce nitrogen leaching from grazed pasture. J.R. Bryant, C.J. Hoogendoorn and V.O. Snow [download] (PDF, 175KB)

Metabolisable Energy

• What is dietary metabolisable energy?. G.C. Waghorn [download] (PDF, 96KB)
• High sugar ryegrasses for livestock systems in New Zealand. G.R. Edwards, A.J Parsons, S. Rasmussen and R.H. Bryant [download] (PDF, 168KB)
• Breeding high energy grasses for Australia and New Zealand. K.F. Smith, A. Stewart and G. Spangenberg [download] (PDF, 69KB)
• Ryegrasses with increased water soluble carbohydrate: evaluating the potential for grazing dairy cows in New Zealand. G.P. Cosgrove, J.L. Burke, A.F. Death, M.J. Hickey, D. Pacheco and G.A. Lane [download] (PDF, 91KB)

Breeding Cultivars and Endophytes

• Opportunities to improve nitrogen utilisation in the rumen by reduction in plant-mediated proteolysis. B.A. Barrett, D.Pacheco, W.C. McNabb and H.S. Easton [download] (PDF, 108KB)
• Breeding white clover for tolerance to nematodes: overview of process and progress. R.N. Watson, N.L. Bell F.J. Neville, L.T. Aalders and T.C. Rohan [download] (PDF, 79KB)
• Increasing endophyte alkaloid expression in tall fescue by selecting for increased endophyte hyphal density. M.G. Norriss, T.J. Frost-Smith and J.I.M. Sutherland [download] (PDF, 105KB)
• Agronomic performance of AR37-infected ryegrass in northern New Zealand. D.E. Hume, D.L. Ryan, B.M. Cooper and A.J. Popay [download] (PDF, 158KB)
• Selecting forage grasses for improved nitrate retention – a progress report. S.N Nichols and J.R. Crush [download] (PDF, 82KB)
• Effect of clover root weevil larvae on four annual forage legumes.. J.R. Crush, L. Ouyang, P.J. Gerard and S. Rasmussen [download] (PDF, 83KB)
• Comparison of drought resistance in strawberry clover and white clover. R.W. Hofmann, W. Lin, S.A. Stilwell and R.J. Lucas [download] (PDF, 85KB)

Topical Issues in Agriculture

• Energy use, “food miles” and greenhouse gas emissions from New Zealand dairying – how efficient are we?. S.F. Ledgard, C. Basset-Mens, S. McLaren and M. Boyes [download] (PDF, 180KB)
• Whatawhata Catchment Management Project: the story so far. J.M. Quinn, M.B. Dodd and B.S. Thorrold [download] (PDF, 246KB)
• Clover Hill Dairies: Balancing productivity and treading lightly in the centre of a rural residential development and a rainforest. Lynne and Michael Strong [download] (PDF, 63KB)
• A preliminary study of the effects of lime application on levels of facial eczema spores in pasture. P.J. Grierson [download] (PDF, 141KB)
• Baseline data on the diversity and abundance of selected bird species on conventional and converting organic dairy farms. Marion Mondot, Grant Blackwell and Tanja Maegli [download] (PDF, 184KB)
• Development and testing of new performance measures for milksolids production per hectare. C.B.Glassey [download] (PDF, 125KB)
• Modelling the effect of nematode parasites on the liveweight gain of lambs grazing alternately with cattle. K. Louie, C.J. Boom, R.A. Dynes and A.D. Mackay [download] (PDF, 165KB)
• Changes in soil quality following humping/hollowing and flipping of pakihi soils on the West Coast, South Island New Zealand. S.M. Thomas, M.H. Beare, C.D. Ford and V. Rietveld [download] (PDF, 145KB)
• Lime-phosphate interactions on a Kaipara clay soil in Northland. M.B. O’Connor, B.J. Hunt and K.W. Perrott [download] (PDF, 114KB)