An Oxfordshire farm has successfully slashed nitrogen rates by 60kg N/ha with no yield detriment thanks to the addition of a carbon rich crop spray and urease inhibitor to each liquid fertiliser pass.
Piers Cowling, farm manager of Sparsholt Manor Farms near Wantage, says the tank mix extras are helping promote nitrogen use efficiency, reduce the risk of scorch and improve soil health.
Not only have rates been cut from 220kg N/ha to 160kg N/ha in just three years, but the frequency of spray passes has dropped.
What was previously a three-spray fertiliser programme is now two, helping manage workload in busy periods as well as cutting fuel and labo…
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