SOIL EROSION
DEPLETION OF SOIL MATERIALS•minerals can be exhausted by       overproduction   •soil that is depleted of  minerals become...
LOSS OF ORGANIC MATTER•        The organic matters on the           topsoil decays slowly.•       Humans may disturb the t...
EROSION•       a destructive process by which          soil is lost by water & wind    •    happens when poor farming     ...
LEACHING    •     When the field is plowed         before planting rain soaks           into the pulverized soil          ...
SOIL PROBLEMS can lead to water problems too
WATER PROBLEMS   Groundwater is depleted by humans through    overconsumption in cities and run-off water.   too much ru...
WATER PROBLEMS water problems caused by soil problems:    1.    droughts- aftermath of too much rain rushing immediately ...
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Soil erosion

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Soil erosion

  1. 1. SOIL EROSION
  2. 2. DEPLETION OF SOIL MATERIALS•minerals can be exhausted by overproduction •soil that is depleted of minerals become acidic or sour and causes damage to crops•lime and fertilizers are added to the soil to correct this condition
  3. 3. LOSS OF ORGANIC MATTER• The organic matters on the topsoil decays slowly.• Humans may disturb the this natural balance by planting & harvesting crops too frequently. • Sometimes wood& native grasses are burned down before plowing.
  4. 4. EROSION• a destructive process by which soil is lost by water & wind • happens when poor farming method are applied
  5. 5. LEACHING • When the field is plowed before planting rain soaks into the pulverized soil easily.• If the material in the topsoil is not dissolved in water plants can’t absorb them thus the fertility of the soil is lost.
  6. 6. SOIL PROBLEMS can lead to water problems too
  7. 7. WATER PROBLEMS Groundwater is depleted by humans through overconsumption in cities and run-off water. too much run-off water results from heavy rains deep wells supply drinking water and draw greatly on the supply of groundwater
  8. 8. WATER PROBLEMS water problems caused by soil problems: 1. droughts- aftermath of too much rain rushing immediately to the sea since there are less trees to store water 2. flood- aftermath of denudation these result from misuse of soil and its plant cover (due todeforestation)
  9. 9. THANK YOU FOR LISTENING
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