NPK - The first line of NPK is analysis as N + P₂O₅ + K₂O. The second line is analysis as N + P + K.
P Source: MAP = Monoammonium phosphate DAP = Diammonium phosphate TSP = Triple Superphosphate
Spreader settings are not intended to replace spreader calibration or bag label spreader settings. Always check the bag label for additional spreader setting information and calibrate your spreader before applying product.