Actually, most of the nourishment for the growth of trees in a forest comes
from minerals in the soil, decaying leaves, rotting logs, and nitrogen from
thunderstorms. Animal manure is relatively insignificant.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)