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.