Spraying fertilizer

My Saturday job was spraying nitrogen on the grass hay fields. I haul what I need in one of these totes. Used to get two 55 gallon drums filled. My loader maxes out at about 1,000 lbs of liquid. My sprayer is an old Walsh brand that I extended out to 30? total width. I use the JD 2010 as the spraying tractor.
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Are you using 28%or 32% nitrogen. Dilluted with water? What ratio? I have thought about mixing some 32% in my small sprayer to fertilize the horse hay but im afraid of burning the grass.
 
Several years ago when I was working at fertilizer plant the had 28% for everything except wheat and they had 14% for that to keep from burning the wheat. None sprayed on grass. Don't know if would have recomended the 14% or the 28%. Only fertilizer company around to have the 14% and driving around you saw a lot of burned fields. I don't know what was the difference in makup of the different grades as I just hauled the tanks to the farms. Don't know if mixing with water to cut potency would work or not. Never heard of 32%.
 
Yesterday I got the 32%. I put 10 gal per acre diluted 1-1 with water, so putting 20 gal mix per acre.
Right before rain, preferably, which it is doing today. I see some grass fields burned but my
understanding is they are hitting them with 50 lbs of N. But after rain they come right back.
 
Thanks. My shipment of 32 hasn't come yet but when it does I will give this a try. I spray down 15 gpa of 32 preplant and if I catch the corner of a waterway with the straight 32 it burns the grass to the ground but it comes back though slowly. Boy is it ever green when it does come up.
 
If you were to get a tee and and 2 ball valves, installed on the suction line of the pump, you could make the sprayer pump fill the tank through the agitator line. You never take the tote off the truck, you don't have to climb on anything, and never get any fertilizer on you. Get a 2" camlock for the tote, 15' hose and a 1" camlock for the pump. If you operate the valves in the right order, the fill hose will be sucked dry and you will never spill a drop.
 
Pressure causes wheat and grass to burn. Back in the 2000s we ran thousands of acres of 32 % nitrogen. Only time it would burn is if you got over 40 psi on the nozzle pressure.
Not sure how the newer nozzle technology works. Pressure might not be an issue.
 

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