18.8% urea. This stuff is mostly fast release N. I use 70% or better CRN if I am going to add it to a mix. Being that it is that much fast N makes it very dangerous on a non irrigated lawn. I have gotten away with applying 1/4 lb N as 75% CRN 28-0-0 on a non irrigated lawn.
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety.
Benjamin Franklin 1775
Sell not virtue to purchase wealth, nor Liberty to purchase power.
Benjamin Franklin Poor Richard's Almanac1738