2022 Symposium PowerPoints

Our recent 50th Anniversary celebrated our past and looked to the future... Our thanks to the Symposium's 18 sponsors, 31 speakers & 172 registrants for making it such a success.

Below are links to PDFs of Speaker's PowerPoints from the Agronomy Society's 50th Anniversary 2-Day Symposium at Lincoln University, 31 August - 1 September 2022.

Recordings of these talks are planned to be made available in early October.

Wednesday 31 August   

Introduction  Ambling in arable Nick Pyke,

Session 1 Nutrient management for arable

Chair: Jo Townshend

1A Irrigation scheme nutrient management in an arable dense area Eva Harris,
Enviro Collective Ltd
1B Soil testing for improved nitrogen management Mike Beare,
Plant & Food Research
1C Nitrogen use efficiency Dirk Wallace,
1D Agronomic decisions for crop nitrogen management Murray Craighead,
Nutrient Solutions

Session 2 Soil protection

Chair: Edith Khaembah

2A Creating catch crop options for winter forage grazing – lessons from a 3-year sustainable farming project Peter Carey/Brendon Malcolm,
Agritech/Plant & Food Research
2B Sustainable vegetable systems Andrew Barber,
Potatoes NZ
2C Changes and impacts of tillage in cropping systems Trish Fraser,
Plant & Food Research
2D Soil structure & water storage Wei Hu,
Plant & Food Research
2E Runoff for cropping farms and guidelines for setbacks Abie Horrocks,

Session 3 Regenerative agriculture

Chair: David Birkett

3A Regenerative agriculture – A New Zealand agronomist’s view Derrick Moot, 
Lincoln University
3B What regenerative agriculture means in a New Zealand context Charles Merfield, 
Merfield Agronomy Ltd
3C Regenerative agriculture – a consultant’s perspective Canaan Ahu, 
3D Reducing pesticide/fungicide use in New Zealand arable systems Hamish Marr, 
Marr Farms

Thursday 1 September

Session 4 Greenhouse gases and carbon sequestration  

Chair: Mariana Andreucci

4A Native and exotic trees – carbon, afforestation, and research needs Simeon Smaill
4B Greenhouse gas emissions from arable and vegetable cropping systems Steve Thomas/Sam McNally,
Plant & Food Research/
Maanaki Whenua Landcare Research
4C Greenhouse gas emissions from perennial horticultural systems Brent Clothier, 
Plant & Food Research
4D He Waka Eke Noa Michelle Sands, 
4E Climate change & cropping systems Jim Salinger, 
Victoria University of Wellington

Session 5 Options for farm diversification

Chair: Murray Craighead

5A Hops – what is the potential and direction Ron Beatson/Kerry Templeton, 
Plant & Food Research
5B The current situation and future opportunities in the greenhouse sector Stefan Vogrincic, 
5C Pure oil – a value added story Nick Murney, 
Pure Oil NZ
5D Hemp – can it live up to the hype? Jo Townshend/Andrew Davidson,
Midland Holdings
5E Farming diversification and processing opportunities Dennis Carter, 
Carter Seed Management

Session 6 Extracting value from commodity products

Chair: Robert Southward

6A Future proofing farming – precision principles in vegetable systems Dan Bloomer,
6B Precision ag for future farm systems Ian Yule,
PlantTech Research Institute
6C Oats – adding value Keith Armstrong,
Global Oats Ltd
6D Diverse products for diverse markets Ivan Lawrie,