Fertilizer

Yield, kg/ha

M₁₀₀₀, g

Control sample

51.43

238.92

Ammonium nitrate

55.87

246.40

Carbamide + Ammonium nitrate

56.64

249.20

Struvite

54.60

245.27

Struvite + ammonium nitrate

55.11

246.36