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Winter wheat

Experimental treatments

Treatment  1 Treatment 2 Treatment 3 Application rate, kg per ha Application method
MAP + urea Acron NPK 22-15-0-7 + UAN(+S) NPK + urea N30P20N50 Pre-sowing, as a supplement at tillering

Field trials

Yield, t per ha
Prilled Acron NPK combined with UAN(+S) increases yields compared to farmers’ usual practices
Protein content in grain, %
The best N:S ratio ensures high protein content

Nutrition system

Fertiliser Application rate, kg per ha
Primary application Tillering
NPK 22-15-0-7 120-150
UAN(+S)-32 - 150-200

Reference fertilisers

Liquid nitrogen fertiliser

Other trials in Argentina

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