Do you want to apply 1 lb. of urea per 1000 sq. ft. or 1 lb. of Nitrogen (N) per 1000 sq. ft.?...there's a big difference.
Need to know the % N of your 50 lb. bags of urea.
Also need to know total square footage of area to be applied.
I'm ASSUMING that you mean 1 lb. of N per 1000 sq. ft.
I'm also ASSUMING that your 50 lb. bags of urea contain 46% N.
If this is the case, one 50 lb. bag of 46% N urea contains 23 lbs. of N.
(50 lbs. X .46 = 23 lbs.)
If you want to apply 1 lb. of N per 1000 sq. ft., then one 50 lb. bag of urea will cover 23,000 sq. ft. or two bags of urea will cover 46,000 sq. ft., etc...
If you spray at a volume of 2 gallons per 1000 sq. ft. then one 50 lb. bag of urea in 46 gallons will give you 1 lb. of N per 1000 sq. ft. and you can spray 23,000 sq. ft.
With a 200 gallon tank, use four X 50 lb. bags of urea in 184 gallons to give a rate of 1 lb. of N per 1000 sq. ft. to cover 92,000 sq. ft.
Again, this ASSUMES that you mean 1 lb. of N per 1000 sq. ft. and that your 50 lb. bags of urea contain 46% N.
Let us know if this is not the case.
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Rod J
Pamlico Lawn Care, LLC
PamlicoLawnCare.com
Oriental, NC
