Wednesday, January 26, 2011

15 SURPRISING SOIL FACTS.

Over the years in my gardening travels and reading I have come across some very interesting facts about soil you may or may not know. Following is a list of 15 items, I at least found interesting.
1.  Soil makes up the top layer of the earth.
2.  5 tons of soil spread over an acre is only as thick as a dime.
3.  It takes nature about 500 years to make an inch of topsoil.
4.  There are approximately 70,00 different kinds of soil in the USA.
5.  Between 5 and 10 tons of animal life can live in an acre of soil.
6.  Topsoil is the most productive of all soil layers.
7.  There can be no life without soil.
8.  There are more living organism in one cubic foot of soil than there are people in the USA.
9.  The best china dishes are made from soil.
10  An average soil sample is 45% minerals, 25% water, 25% air, and 5% organic matter.
11  One soil earthworm can digest 36 tons of soil in one year.
12  For every pound of tissue a plant uses 400 to 500 pounds of water.
13  Almost all antibiotics we take for infections come from soil organisms.
14  The best soil has abundant earthworms.
15  Most states have a state soil, just like the state flower and others so desingnated.
Well, those are a few of the facts about soil that has surprised me over the years.  Learning about soil and gardening is a learning experience that never ends. Happy growing.

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