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Weigh up the options before manuring legumes

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NSW DPI pulse research agronomist Dr Eric Armstrong has been looking at the residual effects of having a pulse cropping phase in farming systems in southern NSW... Research from the New South Wales Department of Primary Industries (DPI) has found that in 2013 and 2014 brown manuring had no clear yield advantage in the following wheat crop over harvesting pulses for grain... "There was also strong evidence that manuring pulses compared with those harvested for grain leads to a further increase in grain protein of between 1 and 1.5 per cent, but this is unlikely to negate the opportunity cost of manuring the previous crop for yield and protein gains alone," he says...
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