Nitrogen levels need to be continually managed

By Bob Freebairn
Updated June 26 2017 - 7:44am, first published 4:45am
Rob Williams, Coona Valley Contractors, applies 100 kilograms to the hectare urea to a cereal crop ahead of a forecast rain event. Many paddocks currently test low in available soil nitrogen after a big yielding year in 2016.
Rob Williams, Coona Valley Contractors, applies 100 kilograms to the hectare urea to a cereal crop ahead of a forecast rain event. Many paddocks currently test low in available soil nitrogen after a big yielding year in 2016.

WHEAT yielding five tonnes to the hectare at 11 per cent protein results in export off-paddock of about 100 kilograms per hectare of nitrogen. Really big crops like 8.0 t/ha wheat cause 150 kg/ha nitrogen to exit the paddock. 

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