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Nitrogen demand in 2013

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WATERLOGGING drained about 80 kilograms a hectare of nitrogen from soils in parts of southern New South Wales in autumn last year... This caused lower yields and lower protein in crops harvested, which has driven many growers to want to know more about last year's N story and whether it will have any implications for this year... The level of soil total N is extremely sensitive to moisture - in lower rainfall areas, changes in total soil N are equal to the N removed by crops but in wetter areas, denitrification means more soil N is lost than crops remove...
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