Karl Guillard and Kelly L. Kopp, Department of Plant Science, University of Connecticut, Storrs, CT 1996-1999 

Late-season fertilization of lawns with N is a common practice in southern New England during late fall (October through November). Turf quality and rooting characteristics may benefit from this practice, but the potential for nitrate (NO3) leaching at this time may be higher than if N-based fertilizers are applied before October.



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