Helicoverpa spp. (heliothis) are a major insect pest of cotton, grains and horticulture in the Murray‐ Darling Basin. Climate change is likely to make conditions more favourable for heliothis. This could cause regional comparative advantages in irrigation systems to change as management costs...

For an irrigator, investments in on-farm water infrastructure that increase the marginal productivity of water may improve use efficiency. However, increasing on-farm water use efficiency invariably diminishes return flows, compromising the ability to maintain sufficient water flows in streams...

The stabilization of global climate presents one of the most complex problems in public good provision the world has faced. Continuation of ‘business as usual’ policies, leading to warming of more than 2 degrees over the next year, will produce significant damage to agricultural systems and...

This paper analyses productivity, profitability and efficiency by climate zone for the WA grains industry over the past 30 years. More specifically, following the studies by the Department of Agriculture and Food of Western Australia (2011) and Che, et.al (2012), this paper uses the Törnqvist...