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Optimising water use efficiency in western NSW

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Optimising water use efficiency in western NSW.. The relative merit of different rotation crops can also be assessed by looking at the amount of water they extract from the soil profile... Research has shown that canola is better able to extract phosphorus (P) from soil than wheat (Bolland and Brennan 2008) meaning that maximum yield of canola can be achieved with lower P application than is required for wheat...