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Comparison of grain yield and grain protein concentration of commercial wheat varieties Comparison of grain yield and grain protein concentration of commercial wheat varieties

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Excessive application of N may increase susceptibility of the crop to disease and increase water use early in the growing season whereas insufficient application may limit grain yield, grain protein and subsequent profitability... As part of the GRDC funded VSAP project, five nitrogen use efficiency trials were conducted in 2011 at Trangie, Condobolin, Parkes, Coonamble and Spring Ridge, as well as a sowing time trial at Trangie, with these trials used in this paper to assess the grain yield and grain protein concentration of several commercial wheat varieties... N application increased the protein of all the varieties, with protein increases being recorded up to 160 kg/ha of applied N...
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