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Conservation farming -No-till pioneers celebrate a $500m legacy

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Little could the couple have realised that it would be 30 years before the trial program would finally wind up, and by then be cemented into history as one of the most remarkable sources of knowledge on Australian dryland cropping... The new concept of direct-drilling crops using a non-residual herbicide (Sprayseed ) instead of ploughing was measured against conventional cultivation... "And if we take outcomes from the Mallee Sustainable Farming project alone, we estimate that the benefits of modifying and adopting the research findings from the Avon site amount to about $500 million each year in increased grain production and reduced wind erosion," Dr Rovira said...