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Improving productivity by rotating wheat varieties in wheat on wheat systems

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Evidence from field and laboratory studies show some wheat varieties perform better in these conditions, due to differences in the chemistry of root exudates/residues which influence rhizo-bacteria populations... Field and intact core experiments in 2007 and 2008 in a previous GRDC experiment showed strong evidence that rotating varieties influenced the yield of wheat on wheat systems the responses were much greater in 2007 than 2008... Alongside the field and intact core experiments, laboratory experiments with biotechnology tools (DNA-based) are being used to follow the soil and rhizosphere biology over time in different soils to understand the wheat on wheat environment over two complete years...
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