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Studies Question Benefit of Late split N in Corn

Results from a multi-state US split N study suggest that in only 24% of sites there was a benefit to split N. Ontario field trials indicated similar results. The greatest potential benefit was seen on soils more prone to N loss (sands & heavy clays). Read the full report from Ontario Grain Farmer: https://bit.ly/3dupT4F
 
A multispectral red-edge or NDVI image at 8-12 leaf corn can help decide if a late N application is needed & create N management zones for application