i came across this thread elsewhere and was curious to hear what the
opinions are for how much soil grows over time..naturally...
in the UK not USA..

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Do any of you geology, biology or environmental nuts out there have a
ballpark
figuir on how much soil is created from rotting vegetation and
critters over 10
or 20 years?
I UNDERSTAND that this would vary greatly depending on the type of
area
(hardwoods vs pine forests, woodland vs prarie or open field, etc)
I'm just asking if anybody knows a a general rule for the approximate
amount of
years that are represented by one inch of soil in North America.

Semper Fi,
Gus Morrow
Oceanside, CA