now that would ber gravy business there!!!
i also think it is the 2% AMONIUM SULFATE kicking in as the normal fert does not use that, and it is much quicker to activate. it is just a neat observation . my home lawn is su-per green and ready to cut, butr then again my lawn is always super green first in the spring as to the great soil and newer improved grasses compared to the surouinding area(old neighborhood)