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draining soil

Catalogue: Ground Cover
To reduce losses avoid unnecessarily high nitrogen rates.. Dr Schwenke says nitrate denitrification losses can be large, but require a combination of low soil oxygen (an extreme example is when soils are waterlogged for an extended period), high soil nitrate concentration (soon after soils have been fertilised) and readily available (labile) carbon to support an active microbial community... According to Professor Bell, the results showed that between 0 and 44 per cent of the applied nitrogen was not able to be recovered in the soil or plant at harvest, with in-season rainfall, both timing and amount, and soil carbon and nitrogen status having a major impact on these seasonal losses...
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