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Nitrogen decision - Guidelines and rules of thumb
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In low rainfall areas or in drier seasons rainfall may be too low or variable to get consistent results from delayed N. Figure 3b shows that the risk associated with a delayed N strategy increases at sites were yields were less than about 2,500 kg/ha: the variation in the response to N applied at stem elongation is high and in many cases there are lower yields from delayed applications compared to N applied at sowing... Experiments over many years have shown that there is no consistent difference in the response to different forms of N fertiliser when compared at the same rate of N and the same time of application... Recent work from Victoria suggest losses of N from volatilisation of up to 1% per day with urea and about half that for UAN and ammonium sulphate (Table 1)...
Grains Industry Research Scholarship - Rachel Shingaki-Wells (UWA) Uncovering changes in the molecular networks of protein oxidation underpinning cereal crop responses to environmental stress
GRDC Research Summaries
Interaction of Nitrogen and Fungicide applications for Managing Yellow Spot and Stagonospora Nodorum in Wheat-on-Wheat cropping AIM METHOD RESULTS AND DISCUSSION CONCLUSION ACKNOWLEDGMENTS
GRDC Updates (West)