Trials have shown significant denitrification in summer after post-harvest mineralisation of crop residues such as chickpea crops and canola... In 'normal' dry years, losing soil nitrate through denitrification is a relatively small problem - a bigger issue now is the slowly declining soil nitrogen reserves across the region, especially after multiple above-average yields... Wet summers increase the potential to lose nitrogen through the natural process of denitrification, so the potential for losses is higher under those conditions...
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crop nitrogen application
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