Soil Fun Facts
  • There are more living organisms in a cubic foot of soil than there are people in China.
  • An 18-hole golf course supplies enough oxygen for 6,000 to 8,000 people.
  • It takes 100 to 600 years to form an inch of topsoil.
  • In a 100-year period, a water molecule spends 98 years in the ocean, 20 months as ice, about two weeks in lakes and rivers, and less than a week in the atmosphere. That leaves approximately three months time in the ground.
  • The average quarter acre lawn contains 50 to 250 earthworms.
  • Throughout history, civilizations rose or fell depending on the fertility of their topsoil.
  • Annual erosion in  the U.S. from wind and water was  2.1 billion tons in 1992 and 3.1 billion tons in 1982.
  • The average person in the U.S. uses seven trees a year in paper, wood and other products from trees.
  • The U.S. lost 6 million acres of prime farmland between 1982 and 1992.  This is equal to football fields laid end to end that would circle the world 14 times.
  • More than half of the trash a family throws away every year is organic. Each person in the U.S. tosses out about 1,200 pounds of organic garbage each year.
  • There are about 20,000 different soils in the United States.
  • There are over 2,000 different kinds of spiders in the U.S.  They eat an amount of bugs in one year equal to about as much as all the people on the earth weigh.
  • Fewer acres of land are farmed than are used for timber and wood products.


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