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increased soil nitrogen

Catalogue: Ground Cover
Although a dry spring can restrict nitrogen uptake from post-sowing nitrogen applications, the nitrogen remains available to the next crop - unless intervening heavy rain causes waterlogging.. In a central-west New South Wales trial, topdressed nitrogen applied at the end of tillering significantly increased soil nitrogen in the following year.. Compared with soil where no nitrogen was applied post-crop-emergence, soil tests close to sowing the 2013 crop indicated that soil was 45kg/ha higher in available nitrogen where 50kg N/ha had been topdressed as urea onto the crop...
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