Plenary Papers 

Food security, climate change and research

Can we feed the world in 2050?
Greg Edmeades, Tony Fischer and Derek Byerlee

Agricultural productivity in Australia and New Zealand: trends, constraints and opportunities
Michael Robertson

Promoting food security by supporting Agricultural R&D
John D. Mullen

Food security and sustainable resource use

The Sustainable Use of Water Resources for Agriculture and Horticulture
Brent Clothier, Steve Green and Markus Deurer

A postscript to “Peak P”– an agronomist’s response to diminishing P reserves
Peter Cornish