Volume 82, 2020

Front matter

Front matter

1-5
- Title pages
- Table of contents

President's Address

NZGA President's Address 2019 - Smarter pasture renewal plus objective thinking

Graham A. Kerr

7-10
- PDF
- SUPPLEMENTARY INFORMATION

Levy Oration

Levy Oration 2019: Musings on our sustainable agriculture journey

Liz Wedderburn

11-15
- PDF

Research article

Calculation of sheep and beef economic weightings for the seasonal dry matter production trait for use in a forage-cultivar selection decision-support tool

Cameron I. Ludemann

17-26
- PDF
Genomic assessment of white clover and perennial ryegrass genetic resources

Marty J. Faville, Andrew G. Griffiths, Abdul Baten, Mingshu Cao, Rachael Ashby, Kioumars Ghamkhar, Won Hong, Anna Larking, Michelle Williamson, Zane Webber

27-34
- PDF
- Additional file
Real-time on-farm N loss measurement

Samuel J. Dennis

35-43
- PDF
Nitrogen leaching losses from fodder beet and kale crops grazed by dairy cows in southern SouthlandNitrogen leaching losses from fodder beet and kale crops grazed by dairy cows in southern Southland

L. Chris Smith, Ross M. Monaghan

61-71
- PDF
Impact of winter fodder beet or kale allocation on body condition score gain and early lactation performance of dairy cows

Dawn E. Dalley, J. Paul Edwards, Roshean R. Woods

73-81
- PDF
Effect of cultivar, timing of establishment and cutting interval on yield and seed set of arrowleaf clover

Paul D. Muir, Beverly C. Thomson, Noel B. Smith

91-96
- PDF
Understanding water losses from irrigated pastures on loess-derived hillslopes

Stephanie Langer, Rogerio Cichota, Steve Thomas, Dirk Wallace, Gina van der Klei, Mike George, Tom Johns, Peter Almond, Shane Maley, Nathan Arnold, Wei Hu, MS Srinivasan, Channa Rajanayaka , Matt Dodson, Roderick Hayman, Chandra Ghimire

103-110
- PDF
Yield of subterranean clover after post-emergence herbicide application for broadleaf weed control

Breanna J. O. Taylor, Rainer W. Hofmann, Derrick J. Moot

121-128
- PDF
Winter-forage crop grazing in the Gore-Mataura area of Southland: using time-series mapping to estimate location and frequency of cropping

John J. Drewry, Heather North, Stella Belliss, Alexander Amies

129-137
- PDF
- Additional file
Identifying morphological traits associated with vegetative persistence in the perennial ryegrass (Lolium perenne L.) cultivar 'Grasslands Samson'

Jessica R. O'Connor, James R. Crush, Zulfi Jahufer

139-147
- PDF
Persistence of perennial ryegrass, tall fescue and cocksfoot following sequential annual sowings: pasture yield, composition and density in three establishment years under cattle grazing in Waikato

Gerald P. Cosgrove, Michael R. Trolove, Maryann R. Staincliffe, Katherine N. Tozer

149-159
- PDF
Commercial practice of out-wintering dairy heifers in Great Britain

Norton E. Atkins, Keith E. Walley, Liam A. Sinclair

161-169
- PDF
Potential profit gains from improving pasture productivity on New Zealand South Island high-country farms

Charles A. Morrison, Victoria C.F. Westbrooke, Jim L. Moir

183-189
- PDF
Mitigation of saturation in satellite pasture measurement via incorporation of a statistical pasture growth model

Grant Anderson, Mitchell Rawlings, Graeme Ogle

191-198
- PDF
Impact of change in body condition score in mid-late pregnancy in ewes fed a mixed diet on lamb survival and performance

Sue McCoard, Shen-Yan Hea, Catherine McKenzie, Kirsty Hammond, Tim Smith

211-219
- PDF
Quantifying the value proposition for white clover persistence on a New Zealand summer-dry hill-country farm

Mike B. Dodd, Katherine N. Tozer, Iris Vogeler, Rose Greenfield, David R. Stevens, Tim Rhodes, Sue Quilter

199-209
- PDF

Literature Review

Application of circular economy principles to New Zealand pastoral farming systems

Vicki T. Burggraaf, Gina M. Lucci, Stewart F. Ledgard, Diogenes L. Antille, Val O. Snow, Cecile A. M. de Klein

53-59
- PDF

Agricultural practices

Impact of pasture height and herbage mass on suppression of variegated thistle in North Island East Coast hill country

Katherine N. Tozer, Rose Greenfield, Renee Grigson, Catherine Cameron, Ants Roberts, Emma Noakes, Tim Rhodes, Sue Zydenbos

83-90
- PDF
- Additional file
Effect of deferred grazing during late spring and summer on pasture productivity in Waikato and Bay of Plenty hill country

Katherine N. Tozer, Karin MÃ¼ller, Tony Craven, Ian Tarbotton, Allen Coster, Rick Burke, Jon Sherlock, Catherine Cameron

111-119
- PDF
- Additional file
Can Lotus pedunculatus over-sowing in low-fertility tussock country increase farm resilience?

David R. Stevens, J. Pat Garden, Nick Garden, Marie J. Casey

171-181
- PDF

Perspective

New-generative agriculture - based on science, informed by research and honed by New Zealand farmers

Jacqueline Rowarth, Michael Manning, Ants Roberts, Warren King

221 - 229
- PDF
Factors influencing fertiliser and lime decisions on South Island high- and hill-country farms

Xiaomeng K. S. Lucock, Jim L. Moir

45-51
- PDF

Short report

Ammonia-oxidizing bacteria dynamics affected by plantain under synthetic cattle urine patches

Priscila Simon, Cecile De Klein, Emily Gerard, Shenjing Shi

97-102
- PDF

Back matter

Back matter

221-230

Front matter

Front matter

President's Address

NZGA President's Address 2019 - Smarter pasture renewal plus objective thinking

Levy Oration

Levy Oration 2019: Musings on our sustainable agriculture journey

Research article

Calculation of sheep and beef economic weightings for the seasonal dry matter production trait for use in a forage-cultivar selection decision-support tool

Genomic assessment of white clover and perennial ryegrass genetic resources

Real-time on-farm N loss measurement

Nitrogen leaching losses from fodder beet and kale crops grazed by dairy cows in southern SouthlandNitrogen leaching losses from fodder beet and kale crops grazed by dairy cows in southern Southland

Impact of winter fodder beet or kale allocation on body condition score gain and early lactation performance of dairy cows

Effect of cultivar, timing of establishment and cutting interval on yield and seed set of arrowleaf clover

Understanding water losses from irrigated pastures on loess-derived hillslopes

Yield of subterranean clover after post-emergence herbicide application for broadleaf weed control

Winter-forage crop grazing in the Gore-Mataura area of Southland: using time-series mapping to estimate location and frequency of cropping

Identifying morphological traits associated with vegetative persistence in the perennial ryegrass (Lolium perenne L.) cultivar 'Grasslands Samson'

Persistence of perennial ryegrass, tall fescue and cocksfoot following sequential annual sowings: pasture yield, composition and density in three establishment years under cattle grazing in Waikato

Commercial practice of out-wintering dairy heifers in Great Britain

Potential profit gains from improving pasture productivity on New Zealand South Island high-country farms

Mitigation of saturation in satellite pasture measurement via incorporation of a statistical pasture growth model

Impact of change in body condition score in mid-late pregnancy in ewes fed a mixed diet on lamb survival and performance

Quantifying the value proposition for white clover persistence on a New Zealand summer-dry hill-country farm

Literature Review

Application of circular economy principles to New Zealand pastoral farming systems

Agricultural practices

Impact of pasture height and herbage mass on suppression of variegated thistle in North Island East Coast hill country

Effect of deferred grazing during late spring and summer on pasture productivity in Waikato and Bay of Plenty hill country

Can Lotus pedunculatus over-sowing in low-fertility tussock country increase farm resilience?

Perspective

New-generative agriculture - based on science, informed by research and honed by New Zealand farmers

Factors influencing fertiliser and lime decisions on South Island high- and hill-country farms

Short report

Ammonia-oxidizing bacteria dynamics affected by plantain under synthetic cattle urine patches

Back matter

Back matter

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