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Improved water-use efficiency of rainfed and irrigated farming systems in Tasmania

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Water-use efficiency (WUE) in high rainfall zone (HRZ) for agricultural production can be extremely variable, as a result of environmental and agronomic constraints to grain production that limit yield potential... The project will seek to quantify the WUE of current and emerging practices, use targeted field trials and APSIM modeling to explore ways to raise WUE by 10% through management changes and extend these practices to farmers and extension agents... For irrigation, two strategic applications of water improve WUE of barley compared with a single event and a better option is to invest in soil moisture monitoring equipment, which will permit deficit-based irrigation that has shown to improve grain yield and WUE across seasons in x years...