I used urea when I lived in maine and that was over 20 years ago. Just don't use too much. Look up recommend pounds or volume per acre or per plant such as for a fruit tree it will be use x amount per inch of trunk diameter and other details on how to apply. For a tree you apply it directly under in the leaf canopy.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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