It will have the long winter months to work down to the root zones and be ready for action next spring.

Fertilizer applied now will work its way down to the root zones.

They are available to the root zones almost immediately and can be taken up by the plants easily.

Moisture within the root zone can be maintained at field capacity.

Little is left to be leached out into the root zone.

It can be taken equal to the root zone.

Water must penetrate into the root zone to do the turf any good.

"The worst thing is to park heavy equipment over a tree's root zone," he said.

If the salt below the root zone just stayed there, it wouldn't be a problem.

It will work down to the root zone by spring, to give the seeds a boost.