Volume 81, 2019, Napier

The papers in this volume were presented at the New Zealand Grassland Association conference held in Napier, 5-7 November 2019.

DOI: https://doi.org/10.33584/jnzg.2019.81

Published: 2024-08-17

Vol 81 (2019)

President's Address 2018

Graham A. Kerr

7-10
- PDF
Levy Oration 2018: Our industry through the eyes of a pasture agronomist

Cory Matthew

11-14
- PDF
Farming in Hawke's Bay

Garth O. Eyles

15-20
- PDF
A review of research on the fertiliser and lime requirements of pasture on the eastern coast of the North Island

Maurice H. Gray, Jeffrey D. Morton

21-32
- PDF
Photogrammetry for assessment of pasture biomass

Kathryn Wigley, Jennifer L. Owens, Matthias Westerschulte, Paul Riding, Jaco Fourie, Armin Werner

33-40
- PDF
Mitigating greenhouse gas emissions from New Zealand pasture-based livestock farm systems

Sinead C. Leahy, Laura Kearney, Andy Reisinger, Harry Clark

101-110
- PDF
Nitrification inhibition by urine from cattle consuming Plantago lanceolata

H. Glenn Judson, Patricia M. Fraser, Michelle E. Peterson

111-116
- PDF
Meta-analyses comparing the nutritional composition of perennial ryegrass (Lolium perenne) and plantain (Plantago lanceolata) pastures

Elena M.K. MinneÃ©, Barbara Kuhn-Sherlock, Ina J.B. Pinxterhuis, David F. Chapman

117-124
- PDF
A paddock survey of on-farm plantain use

Michael B. Dodd, Ray A. Moss, Ina J.B. Pinxterhuis

125-130
- PDF
Effectiveness of strategies used to establish plantain into exidying pastures

Racheal H. Bryant, Mike B. Dodd, Allister J.E. Moorhead, Paul Edwards, Ina J.B. Pinxterhuis

131-138
- PDF
Barriers to IPM adoption for insect pests in New Zealand pastures

Sarah Mansfield, Colin M. Ferguson, Toni White, Scott Hardwick, Sean D.G. Marshall, Sue M. Zydenbos, Simone C. Heimoana, Russell Gorddard, Mary E.A. Whitehouse

139-148
- PDF
Farm systems analysis of two thistles of differing seasonal pasture growth impacts in North Island hill country

David R. Stevens, Katherine N. Tozer, Tim Rhodes, Sue M. Zydenbos, Robyn A. Dynes, Michael J. Manning, Ants H.C. Roberts, Michael White, Alister Metherell

149-158
- PDF
Modelling the economic and environmental implications of reducing biosecurity risk by changing to a self-contained dairy grazing system in New Zealand

Taisekwa L. Chikazhe, Mark B. Neal, Paul Bird

159-162
- PDF
An innovation systems approach to understanding the impacts of grass grub damage in irrigated Canterbury dairy pastures

Sue M. Zydenbos, Anna L. Taylor, Wei Yang, Maureen O'Callaghan, Scott Hardwick, Richard J. Townsend, Esther D. Meenken, Michael J. Manning, Ants H.C. Roberts, Robyn A. Dynes

163-170
- PDF
Modelling long-term changes in soil phosphorus and carbon under contrasting fertiliser and grazing management in New Zealand hill country

Franco Bilotto, Ronaldo Vibart, Alec Mackay, Des Costall

171-178
- PDF
The impact of possible changes to nitrogen loss regulations on the financial viability of dairy farms in the Upper Manawatu River catchment

Terry G. Parminter, Scott D. Ridsdale, Stefan A. Bryant, Ian G. McNab, Kate A. Proctor, Lynette A. Baish

179-186
- PDF
The influence of spring grazing management on yield and water use of rainfed lucerne

Richard E. Sim, Derrick J. Moot

187-194
- PDF
Improving environmental benefits of white clover through condensed tannin expression

Derek R. Woodfield, Marissa B. Roldan, Christine R. Voisey, Greig R. Cousins, John R. Caradus

195-202
- PDF
Inclusion of persistence in the DairyNZ Forage Value Index

Cameron I. Ludemann, David F. Chapman

203-208
- PDF
Scaling issues in the interpretation of dry matter yield differences among perennial ryegrass (Lolium perenne) cultivars

David F. Chapman, Gerald P. Cosgrove, Barbara Kuhn-Sherlock, David R. Stevens, Julia M. Lee, Laura Rossi

209-216
- PDF
Beyond ruminants: discussing opportunities for alternative pasture uses in New Zealand

Gina M. Lucci, Maeve M. Henchion, Lene Lange, Stewart F. Ledgard, Stewart R. Collie, Gerald P. Cosgrove, Anne S. Meyer, Florian H.M. Graichen, Susanne Barth, James J. Lenehan

217-222
- PDF
Maximising the value of irrigation through improved use of soil resources and sensor technology

John J. Drewry, Carolyn B. Hedley, Jagath Ekanayake

223-230
- PDF
Increasing biological nitrogen fixation by white clover-rhizobia symbiosis

Shengjing Shi, Laura Villamizar, Emily Gerard, Clive Ronson, Steve Wakelin, Ross Ballard, John R. Caradus, Maureen O'Callaghan

231-234
- PDF
Identifying the pasture potential for New Zealand dairy farms

Mark B. Neal, Simon J.R. Woodward, Brian T. Dela Rue

235-240
- PDF
Sampling methods for clover species in grazed pastures to diagnose mineral deficiencies

Sonya T. Olykan, Richard J. Lucas, Derrick J. Moot

241-248
- PDF
Use of pasture botanical composition data on the accuracy of satellite pasture biomass estimates

Grant P.S. Anderson, Mitchell Rawlings, Zoe Lunniss, Lorna McNaughton, Laura Rossi, Cathal Wims, Chris Roach, Cameron I. Ludemann

249-254
- PDF
Starting out in farming - ownership, goals and opportunities

Isabelle S. Crawshaw, Patrick R. Crawshaw

255-258
- PDF
Determining yield of forage crops using the Canopeo mobile phone app

Jose M. Jauregui, Fernando G. Delbino, Mara Inaos Brance Bonvini, Gonzalo Berhongaray

41-46
- PDF
Preliminary investigation into the feasibility of combining satellite and GPS data to identify pasture growth and grazing

Simon J.R. Woodward, Mark B. Neal, Peter S. Cross

47-54
- PDF
Evaluation of LiDAR scanning for measurement of yield in perennial ryegrass

Richard M. George, Brent A. Barrett, Kioumars Ghamkhar

55-60
- PDF
Assessing the ability of a stationary pasture height sensing device to estimate pasture growth and biomass

Andrew Milsom, Olivia Bell, Kris Bailey, Stuart C. Brown, Richard A. Barton, Cristian A. Moreno Garcia, Ao Chen, Racheal H. Bryant, Thomas M.R. Maxwell, Colin C. Eady

61-68
- PDF
Relationships between sheep liveweight production and dry matter yield for lucerne-based pastures in spring

Annamaria Mills, Malcolm C. Smith, Derrick J. Moot

69-74
- PDF
Animal performance changes over 11 years after implementing a lucerne grazing system on Bog Roy Station

Derrick J. Moot, Pete V.A. Anderson, Lisa J. Anderson, David K. Anderson

75-80
- PDF
The performance and profitability of plantain/clover pasture mixtures in East Coast farming systems

Paul D. Muir, Beverley C. Thomson, Noel B. Smith, Kathleen R. Ward, Lochie MacGillivray, Malcolm J. Macfarlane

81-86
- PDF
Evaluating the benefits of mixed plantain/chicory/clover pastures in a Hawke's Bay sheep breeding and finishing farm

Jim Spall, Graeme I. Ogle, Paul D. Muir

87-90
- PDF
Maximising the subterranean clover content on a summer-dry Wairarapa hill-country farm through grazing management

Sonya T. Olykan, Richard J. Lucas, Dan J. Nicholson, Crile Doscher, Derrick J. Moot

91-100
- PDF

Volume 81, 2019, Napier

Vol 81 (2019)

President's Address 2018

Levy Oration 2018: Our industry through the eyes of a pasture agronomist

Farming in Hawke's Bay

A review of research on the fertiliser and lime requirements of pasture on the eastern coast of the North Island

Photogrammetry for assessment of pasture biomass

Mitigating greenhouse gas emissions from New Zealand pasture-based livestock farm systems

Nitrification inhibition by urine from cattle consuming Plantago lanceolata

Meta-analyses comparing the nutritional composition of perennial ryegrass (Lolium perenne) and plantain (Plantago lanceolata) pastures

A paddock survey of on-farm plantain use

Effectiveness of strategies used to establish plantain into exidying pastures

Barriers to IPM adoption for insect pests in New Zealand pastures

Farm systems analysis of two thistles of differing seasonal pasture growth impacts in North Island hill country

Modelling the economic and environmental implications of reducing biosecurity risk by changing to a self-contained dairy grazing system in New Zealand

An innovation systems approach to understanding the impacts of grass grub damage in irrigated Canterbury dairy pastures

Modelling long-term changes in soil phosphorus and carbon under contrasting fertiliser and grazing management in New Zealand hill country

The impact of possible changes to nitrogen loss regulations on the financial viability of dairy farms in the Upper Manawatu River catchment

The influence of spring grazing management on yield and water use of rainfed lucerne

Improving environmental benefits of white clover through condensed tannin expression

Inclusion of persistence in the DairyNZ Forage Value Index

Scaling issues in the interpretation of dry matter yield differences among perennial ryegrass (Lolium perenne) cultivars

Beyond ruminants: discussing opportunities for alternative pasture uses in New Zealand

Maximising the value of irrigation through improved use of soil resources and sensor technology

Increasing biological nitrogen fixation by white clover-rhizobia symbiosis

Identifying the pasture potential for New Zealand dairy farms

Sampling methods for clover species in grazed pastures to diagnose mineral deficiencies

Use of pasture botanical composition data on the accuracy of satellite pasture biomass estimates

Starting out in farming - ownership, goals and opportunities

Determining yield of forage crops using the Canopeo mobile phone app

Preliminary investigation into the feasibility of combining satellite and GPS data to identify pasture growth and grazing

Evaluation of LiDAR scanning for measurement of yield in perennial ryegrass

Assessing the ability of a stationary pasture height sensing device to estimate pasture growth and biomass

Relationships between sheep liveweight production and dry matter yield for lucerne-based pastures in spring

Animal performance changes over 11 years after implementing a lucerne grazing system on Bog Roy Station

The performance and profitability of plantain/clover pasture mixtures in East Coast farming systems

Evaluating the benefits of mixed plantain/chicory/clover pastures in a Hawke's Bay sheep breeding and finishing farm

Maximising the subterranean clover content on a summer-dry Wairarapa hill-country farm through grazing management

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