Assessment of appropriate nitrogen rates

John and Phil Deguara farm sugarcane at North Eton where they have a number of paddocks badly impacted by sodic soils. This results in varied yields within some individual blocks. There are some with high yielding zones of above 85 tonnes per hectare and low yielding zones of below 60 tonnes per hectare. Their trial was an assessment of appropriate nitrogen rates for a paddock with two distinct management zones. Read more here.