DAP (Diammonium Phosphate) contains 18% Nitrogen and 46% of phosphate. DAP fertilizer is a wonderful source of plant nourishment It dissolves rapidly in soil to release plant-readily available phosphate and ammonium. Maryland's Lawn Fertilizer Law prohibits applying fertilizers to deice sidewalks and driveways. They are pretty corrosive to concrete and https://robertr999ofx9.wikinarration.com/user