Table 1: Percent by weight of macronutrients and micronutrients provided by Viking Brand 21-7-14, Free Flow 29-3-4, High N 22-4-6 + Minors, and Milorganite 6-2-0 fertilizer formulations.

NutrientFertilizer
Viking Brand 21-7-14Free Flow 29-3-4High N 22-4-6Milorganite 6-2-0

N (ammoniacal)11.01.25.90
N (nitrate)10.005.30
N (urea)027.810.80
N (total)21.029.022.06.0a
P (P2O5)7342.0
K (K2O)14460
Ca0010
Mg0010
S5.03.93.00
Fe0214.0
Mn000.10
Zn000.050
Cu000.050
B000.020
Mo000.0010

aDerived from municipal biosolids.