| Information | Answer | Pages 279-284 |
|---|
| Occurs when natural or human-induced processes decrease the future ability of land to support crops, livestock, or wild species | |
| Flowing water and wind | |
| loss of soild fertility and eroded soil ends up as sediment in nearby surface water | |
| classified as renewable resource because natural processes regenerate it | |
| has reduced food production on about 16% of worlds cropland | |
| causes damages of at least $375 billion per year | |
| points out that much of the eroded topsoil does not go far and is deposited further down a slope | |
| established a strategy for reduction soild erosion in the U.S. | |
| | Information | Answer | Pages 279-284 |
|---|
| authorizes the governments to forgive all or part of farmers debts to the Farmers Home Administration if they agree not to farm highly erodible cropland or wetlands for 50 years | |
| during this, large areas of cropland were stripped of topsoil and severly eroded | |
| went before congressional hearing in 1934 to plead for new programs to protect countries topsoil | |
| established the Soil Conservation Service as part of teh USDA | |
| the productive potential of arid or semiarid land falls by 10% or more because of combination of natural climate change | |
| accumilation of salts | |
| farmers often apply large amounts of irrigation water to leach salts deeper in soil | |
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Planets from the Sun
Multiplication Table
Minute Math (Addition)
