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Greg Barkle, R Stenger, T Wöhling, B Moorhead, A Wall
and J Clague
Aqualinc Research Limited, Hamilton
FATE OF A DAIRY COW URINE PULSE IN A LAYERED VOLCANIC VADOSE ZONE

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Peter Barrowclough
Lincoln Agritech Ltd, Christchurch
PRECISION AGRICULTURE ASSOCIATION OF NEW ZEALAND (PAANZ)

Keith Betteridge, D Costall , D Lou, G Siva and H Sun
AgResearch Grasslands, Palmerston North
DEVELOPMENT OF A CRITICAL SOURCE AREA PREDICTION MODEL OF NITROGEN LEACHING

Peter Bishop and M J Hedley
Fertilizer and Lime Research Centre, Massey University
EFFECTIVENESS OF SCREENED AG-LIME – A REVIEW

Peter Bishop and M Manning
Bishop Research, Palmerston North
MICRO-NUTRIENTS UPTAKE EFFICIENCY AS A FUNCTION OF FORM AND PLACEMENT – A REVIEW

Peter Bishop, P Jeyakumar and B F C Quin
Advanced Agricultural Additives (NZ) Ltd, Palmerston NorthAMELIORATION OF Al, Mn and Fe TOXICITY IN RYGRASS AND CLOVER, and WHEAT and RICE, BY POLY-CARBOXYLIC ACIDS

Stu Bradbury, C Mackenzie, J Mackenzie and C Hedley
Lindsay International (ANZ) Pty Ltd, Palmerston North
PRECISION IRRIGATION AS A TOOL TO REDUCE NUTRIENT LEACHING AND RUNOFF

Lucy Burkitt
Fertilizer & Lime Research Centre, Massey University
A REVIEW OF N LOSSES DUE TO LEACHING AND SURFACE RUNOFF UNDER INTENSIVE PASTURE MANAGEMENT IN AUSTRALIA

Bill Carlson, Gina Lucci and Mark Shepherd
AgResearch, Hamilton
SIMULATED EARLY AND LATE WINTER GRAZING:
EFFECTS ON NITROGEN LEACHING ON PUMICE SOILS

Sam Carrick, D Palmer, T Webb, J Scott and L Lilburne
Landcare Research, Lincoln
STONY SOILS ARE A MAJOR CHALLENGE FOR NUTRIENT MANAGEMENT UNDER IRRIGATION DEVELOPMENT

Sam Carrick, P Fraser, S Dennis, T Knight and F Tabley
Plant and Food Research, Lincoln
CHALLENGES FOR LEACHATE MONITORING FROM ALLUVIAL SEDIMENTARY SOILS

Jo-Anne E Cavanagh, B Robinson, R McDowell, G Rys, M Taylor,
C Gray, A Roberts and W Catto
Landcare Research, Lincoln
CADMIUM – WHERE ARE WE AT? WHAT DO WE NEED?
HOW DO WE GET IT?

Dylan Clarke, J Paterson, D Hamilton, J Abell, M Scarsbrook,
K Thompson R Moore and A Bruere
Environmental Research Institute, University of Waikato, Hamilton
OVERVIEW OF DETAINMENT BUNDS FOR MITIGATING DIFFUSE-SOURCE PHOSPHORUS AND SOIL LOSSES FROM PASTORAL FARMLAND

Andrew Cooke, D Lineham, K Saunders and G Ogle
Rezare Systems Limited, Hamilton
LAND AND LIVESTOCK DATA INTERCHANGE STANDARDS AS AN ENABLER FOR MODELS AND MANAGEMENT

Greg Costello and S A Petrie
Ravensdown, Christchurch
PASTURE DRY MATTER YIELD RESPONSE FOLLOWING AN AUTUMN AND SPRING APPLICATION OF ECO-N™ AT THE SOUTHLAND DEMONSTRATION FARM

Blair Cotching, G Kerse and R Simms
Ravensdown, Christchurch
COMPARISON OF THE SOLUBILITY OF TWO GIBBERELIC ACIDS FOR AGRICULTURAL USE

Blair Cotching, R Simms and G Kerse
Ravensdown, Christchurch
THE STABILITY OF EXPRESS GIBBERELIC ACID
IN COMBINATION WITH LIQUID UREA

John Drewry, M Taylor, F Curran-Cournane, C Gray
and R McDowell
Greater Wellington Council, Masterton
OLSEN P METHODS AND SOIL QUALITY MONITORING: ARE WE COMPARING “APPLES WITH APPLES”? 

Ian C Fuller and R G Death
Institute of Agriculture & Environment, Massey University
TOWARDS INNOVATIVE SOLUTIONS FOR RIVER MANAGEMENT IN NEW ZEALAND

Simon Gaul and A H C Roberts
Ravensdown, Christchurch
COULD MODIFYING THE PAKIHI SOILS IMPROVE PRODUCTIVITY?

Roberta Gentile, C Robertson, K Mason, S Sivakumaran,
C van den Dijssel, M Hardie and B Clothier
Plant & Food Research, Palmerston North
SURVEY OF SOIL CARBON AND NUTRIENT SERVICES IN AUSTRALIAN APPLE ORCHARDS

Donna Giltrap, M Kirschbaum, K Thakur, A Ausseil,
I Vogeler, R Cichota and N Puche
Landcare Research, Palmerston North
COMPARISON OF SOIL N-DYNAMICS ACROSS DIFFERENT MODELS

Danilo F Guinto, A Holmes, H Rahman and W Rijkse
University of the South Pacific, Alafua Campus, Samoa
TRACE ELEMENT STATUS OF SELECTED KIWIFRUIT ORCHARD TOPSOILS IN THE BAY OF PLENTY

Martin Hawke, B Longhurst and B Parker
Bay of Plenty Farm and Pastoral Research, Rotorua
RESULTS AND EXPERIENCE IN AUDITING MITIGATIONS SPECIFIED IN A FARM NMP AS PART OF THE CATCHMENT PLAN FOR LAKE REREWHAKAAITU

Indika Herath, B E Clothier, S Green, D J Horne, R Singh
and C van den Dijssel
Institute of Agriculture and Environment, Massey University
IS THE GREY-WATER FOOTPRINT HELPFUL FOR UNDERSTANDING THE IMPACT OF PRIMARY PRODUCTION ON WATER QUALITY?

Anne-Maree Hill, H Di, K Cameron and A Podolyan
Dept of Soil and Physical Sciences, Lincoln University
INHIBITION OF AMMONIA OXIDISERS TO CONTROL NITRIFICATION RATE UNDER SIMULATED WINTER DAIRY FORAGE GRAZING CONDITIONS: AN INCUBATION STUDY

David J Houlbrooke, S Laurenson and T Wilson
AgResearch, Hamilton
ASSESSING THE RISK OF NUTRIENT AND MICROBIAL RUNOFF FROM RAINFALL FOLLOWING SURFACE APPLICATION OF SLURRIES AND MANURES WITH VARYING DRY MATTER CONTENT

Andrew Hughes, L McKergow, C Tanner and J Sukias
NIWA, Hamilton
INFLUENCE OF LIVESTOCK GRAZING ON WETLAND ATTENUATION OF DIFFUSE POLLUTANTS IN AGRICULTURAL CATCHMENTS

Tim Jenkins and P Randhawa
Centre for Sustainable Agricultural Technologies Ltd, Christchurch
NITROGEN RESPONSE EFFECT OF LESSN – A META ANALYSIS

Neha Jha, J Deslippe, S Saggar, R Tillman and D Giltrap
Institute of Agriculture and Environment, Massey University
MEASURING BACTERIAL DENITRIFIER GENES DISTRIBUTION AND ABUNDANCE IN NEW ZEALAND DAIRY-GRAZED PASTURE SOILS

Neha Jha, S Saggar, J Deslippe, R Tillman, D Giltrap
and S Bowatte
Institute of Agriculture and Environment, Massey University
CHANGES IN DENITRIFICATION RATE, BACTERIAL DENITRIFIER COMMUNITY STRUCTURE AND ABUNDANCE IN DAIRY-GRAZED PASTURE SOILS TREATED WITH CATTLE URINE AND DCD

Phil Journeaux , M Manning and A H C Roberts
AgFirst, Hamilton
ECONOMICS OF FERTILISER APPLICATION ON HILL COUNTRY

Miko Kirschbaum
Landcare Research, Palmerston North
ASSESSING THE RELATIVE CLIMATE CHANGE IMPACTS OF METHANE AND NITROUS OXIDE BY USING CLIMATE CHANGE IMPACT POTENTIALS

Seth Laurenson, D J Houlbrooke, T Wilson and S Morgan
AgResearch, Mosgiel
SOIL AND LANDSCAPE RISK FRAMEWORK FOR FARM DAIRY EFFLUENT APPLICATION TO LAND IN HIGH
RAINFALL REGIONS (WEST COAST)

Hayden Lawrence
Niaruo Dairies, Hawera
A PRECISION FERTILISER PLAN: REAL MEASUREMENTS, REAL COSTS, REAL RESULTS

Jie Li, Y Shi, J Luo, M Zaman, W Ding, D Houlbrooke, S Ledgard
and A Ghani
AgResearch, Hamilton
USING NITROGEN PROCESS INHIBITORS TO REDUCE AMMONIA VOLATILISATION AND NITROUS OXIDE EMISSIONS FROM LAND APPLIED DAIRY EFFLUENT

Bob Longhurst, C Glassey, S Taukiri, C Roach, K Wynn, J Luo,
C Ross and D Rapp
AgResearch, Hamilton
EVALUATION OF PHYSICAL, CHEMICAL AND MICROBIAL CHARACTERISTICS OF STAND-OFF PAD MATERIALS DURING WINTER USE AND RELATIONSHIP WITH COW BEHAVIOUR

Hamish Lowe, S Cass and K Beecroft
Lowe Environmental Impact, Palmerston North
THE OPPORTUNITY FOR MUNICIPAL WASTEWATER IRRIGATION IN THE LOWER NORTH ISLAND

Gina Lucci, M Shepherd and B Carlson
AgResearch, Hamilton
VARIABILITY OF DRY MATTER PERCENTAGES OF BRASSICA FORAGES – GETTING FEED ESTIMATES RIGHT

Gina Lucci, M Shepherd, B Carlson, M Lane and I Berry
AgResearch, Hamilton
ESTABLISHMENT OF WINTER FORAGE CROPS ON PUMICE SOILS – EXPERIMENTAL RESULTS AND FARMERS’ PERSPECTIVES

Jiafa Luo, Xuezhao Sun, D Pacheco, S Ledgard, B Wise,
N Watkins and C Hoogendoorn
AgResearch, Hamilton
CAN NITROUS OXIDE EMISSIONS FROM SOIL BE REDUCED BY FEEDING LAMBS WITH FRESH FORAGE RAPE (BRASSICA NAPUS L.)?

Craige Mackenzie
Agri Optics NZ Ltd, Ashburton
UTILISING VARIABLE RATE FERTILISER APPLICATION TO IMPROVE FARM PROFIT

Andrew Manderson and C Hunt
AgResearch, Palmerston North
INTRODUCING THE AGRI-ROVER: AN AUTONOMOUS ON-THE-GO SENSING ROVER FOR SCIENCE AND FARMING

Michael Mersmann, S Walther and T Sia
AMAZONEN-Werke H. Dreyer GmbH & Co. KG, Germany
FERTILIZER APPLICATION - DRIVING THE FUTURE WITH INNOVATIONS

Phil Murray, B Griffith, R J Orr, S Peukert and A Shepherd
Rothamsted Research, United Kingdom
THE NORTH WYKE FARM PLATFORM: A NEW UK NATIONAL CAPABILITY FOR RESEARCH INTO SUSTAINABLE GRASSLAND PRODUCTION

Tom Orchiston, R Monaghan and S Laurenson
AgResearch, Mosgiel
REDUCING OVERLAND FLOW AND SEDIMENT LOSSES FROM WINTER FORAGE CROP PADDOCKS GRAZED BY DAIRY COWS

Alan Palmer, D J Horne and J A Hanly
Institute of Agriculture and Environment, Massey University
FARM SCALE SOIL MAPPING FOR BETTER PRODUCTION
AND ENVIRONMENTAL MANAGEMENT ON DAIRY AND CROPPING FARMS

Ron Pellow, S Lee, A Metherell, R McCallum, J Moir,
A Roberts and D Wheeler
South Island Dairying Development Centre, Christchurch
ASSESSING THE IMPACT OF INPUT CHOICES WITHIN OVERSEER (V6) ON THE MODELLED N LOSSES FOR LINCOLN UNIVERSITY DAIRY FARM (LUDF)

Édouard Périé, B Clothier, M Deurer, S Green,
K Müller, R Gentile and S McLaren
NZ Life Cycle Management Centre, Massey University
SOIL CARBON, LIFE CYCLE ASSESSMENT AND THE NEW ZEALAND APPLE

Bert Quin and M Zaman
Quin Environmentals, Auckland
RPR REVISITED (3):  
A REVIEW OF RPR vs SUPERPHOSPHATE ON PUMICE SOILS

David Rassam
CSIRO Land and Water, Brisbane
IDENTIFYING PRIORITY AREAS FOR RIPARIAN REHABILITATION TO MINIMISE NITRATE DELIVERY
TO STREAMS

Pierre Roudier and C Hedley
Landcare Research, Palmerston North
SMART SAMPLING TO ASSIST ON-FARM NUTRIENT MANAGEMENT

Phillip Schofield, N Watt and M Schofield
Abron, Hastings
USING HUMIC COMPOUNDS TO IMPROVE EFFICIENCY OF FERTILISER NITROGEN

Mark Shepherd and D Wheeler
AgResearch, Hamilton
HOW NITROGEN IS ACCOUNTED FOR IN OVERSEER 6

Mark Shepherd, D Wheeler, D Selbie and M Freeman
AgResearch, Hamilton
OVERSEER®: ACCURACY, PRECISION, ERROR AND UNCERTAINTY

Bernard Simmonds, R McDowell and L Condron
Faculty of Agriculture and Life Sciences, Lincoln University
PRELIMINARY STUDY OF THE POTENTIAL FOR PHOSPHORUS LOSS WITH THE DEVELOPMENT OF ORGANIC SOILS

Robert Simpson and Markus Duerer
Plant & Food Research, Palmerston North
EFFECTS OF SOIL AMENDMENTS ON SOIL BACTERIAL DIVERSITY

Tom Sims and Jennifer Volk
University of Delaware, Newark, USA
NUTRIENT MANAGEMENT STRATEGIES FOR THE CHESAPEAKE BAY WATERSHED, USA: SUSTAINING AGRICULTURE IN THE FACE OF CHANGES IN SCIENCE, POLICY AND CLIMATE

Ton Snelder and C Fraser and J Bright
Aqualinc Research Ltd, Christchurch
THE ‘WATER WHEEL’ – A TOOL FOR EXPLORING THE BALANCE BETWEEN ECONOMIC AND ENVIRONMENTAL OUTCOMES

Aaron Stafford and G Peyroux
Ballance Agri-Nutrients, Tauranga
CLEARVIEW (BALLANCE PGP) – A FIRST LOOK AT NEW SOLUTIONS FOR IMPROVING NITROGEN AND PHOSPHORUS MANAGEMENT

Roland Stenger, J Clague, S Woodward, B Moorhead, S Wilson,
A Shokri, T Wöhling and H Canard
Lincoln Agritech Ltd, Hamilton
DENITRIFICATION – THE KEY COMPONENT OF A GROUNDWATER SYSTEM’S ASSIMILATIVE CAPACITY FOR NITRATE

Tash Styles, S Laurenson,  R Monaghan, D Dalley and J Chrystal
AgResearch, Mosgiel
SEASONAL CHANGES IN SOIL STRUCTURE UNDER WINTER GRAZING IN SOUTHERN NEW ZEALAND

Chris Tanner
NIWA, Hamilton
BOTTOMS OR TOPS? – OPTIMISING LOCATION OF WETLANDS IN CATCHMENTS TO MAXIMISE EFFICIENCY

Tony J van der Weerden, J Luo, M Dexter and M Kear
AgResearch, Mosgiel
DOES ADDING STRAW OR SAWDUST TO CATTLE EXCRETA REDUCE AMMONIA, NITROUS OXIDE AND METHANE EMISSIONS DURING STORAGE?

Jennifer A Volk and J T Sims
College of Agriculture and Natural Resources, University of Delaware
WATERSHED IMPLEMENTATION PLANS FOR AGRICULTURE IN THE CHESAPEAKE BAY WATERSHED, USA:  OVERVIEW AND CRITICAL ANALYSES

Stefanie von Bueren and I J Yule
NZ Centre for Precision Agriculture, Massey University
MULTISPECTRAL AERIAL IMAGING OF PASTURE QUALITY AND BIOMASS USING UNMANNED AERIAL VEHICLES (UAV)

Emily S Weeks, D Medyckyj-Scott and A Collins
Landcare Research, Palmerston North
THE NATIONAL LAND RESOURCE CENTRE: BUILDING CAPACITY AND PARTNERSHIP ACROSS ALL SECTORS INTERESTED IN LAND RESOURCES

Armin Werner
Lincoln Agritech Ltd, Canterbury
EUROPEAN EXPERIENCE WITH VARIABLE RATE FERTILISER APPLICATION (VRA)

David M Wheeler, M A Shepherd and D R Selbie
AgResearch, Hamilton
FROM STOCK NUMBERS TO N LEACHING AND NITROUS OXIDE – THE PROGRESSION THROUGH OVERSEER

Roger Williams, H Brown, M Dunbier, D Edmeades, R Hill,
A Metherell, C Rahn and P Thorburn
Foundation for Arable Research, Christchurch
A CRITICAL EXAMINATION OF THE ROLE OF OVERSEER® IN MODELLING NITRATE LOSSES FROM ARABLE CROPS

Simon Woodward, R Stenger and V Bidwell
Lincoln Agritech Ltd, Hamilton
USING STREAM FLOW AND CHEMISTRY DATA TO ESTIMATE CATCHMENT SCALE GROUNDWATER AND NITRATE FLUXES

I Yule, R Pullanagari and Pip McVeagh
NZ Centre for Precision Agriculture, Massey University
MEASURING PASTURE QUALITY IN THE FIELD:
A CASE STUDY AT LIMESTONE DOWNS

Ian Yule and M Grafton
NZ Centre for Precision Agriculture, Massey University
NEW SPREADING TECHNOLOGIES FOR IMPROVED ACCURACY AND ENVIRONMENTAL COMPLIANCE