Bradford pear tree damage from lawn fertilizer

Question

Can lawn fertilizer harm the Bradford pear tree roots?

Answer 1

Excess nitrogen can certainly reduce the fruiting for your tree.
Unless you had an accidental exposure to the roots, a general lawn fertilizer exposure won't kill a tree.

https://www.gardeningknowhow.com/edible/fruits/pear/fertilizing-a-pear-tree.htm