There is another problem with drain fields and the plants
around them. A septic system operates on the bacterial side of the equation. If
you have plants that need a fungal dominated soil, such as trees and woody
shrubs, then the bacterially dominated drain field can post
problems.
I built a house about five years ago. There is
a large oak tree between the house and the drain field.
The distance from the house to the drain field is about thirty
feet. The oak trees sits in the middle of the thirty feet.
The tree (a Post Oak) showed some
decline the third year after the house was built. I
applied a Sick Tree Treatment (http://www.dirtdoctor.com/) and some
compost and it regained some vigor. Two years later it started it's to show some
stress again. Mainly tip die back, and a canker fungal degeneration (peeling
bark) at the base of the tree, on the septic side of the
tree.
My query,,,Is the bacterial dominated soil of the septic
system causing the degeneration of the tree. Common sense would say yes. If so,
with an aeration procedure (3" holes, drilled on 2' centers, about 18" deep, to
10' beyond the dripline of the tree) followed by a fungal dominated soil drench
(and application of a plant based compost) correct the decline in the
tree?
Here in Texas, we value the trees on the western side of
the house. Any advice would be appreciated.
Steve
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