Originally Posted by greendoctor
I have shoehorned 2.5 lb ammonium sulfate, 1 lb potassium nitrate, and micronutrients into 2 gallons for application to 1000 sq ft. This mix instantly browns out a lawn unless I am applying immediately before each irrigation zone goes on for 1/4 of its usual time. Applying this same rate of fertilizer in 5-10 gallons makes watering in unnecessary. If I cannot water in, more water is a good idea.
Are you saying you put out 3lbs of N per thousand?