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Map displaying pie charts of clusters (combining actual yield and N application rate) for 24 sub-Saharan African countries. HYHN - High Yield and High N application rate; LYLN - Low Yield and Low N application rate; LYMN - Low Yield and Medium N application rate; MYHN -Medium Yield and High N application rate; MYLN - Medium Yield and Low N application rate; VHYVHN - Very High Yield and Very High N application rate.
