FACTORS THAT MAY CAUSE LAND TO BECOME UNUSABLE AND HOW TO RECLAIM IT

The following are factors that can degrade the land to the point it becomes unusable or not productive




  •  Land may be damaged due to natural hazards like fire
  • Human activities can also damage the land i.e. poor farming methods, mining and pollution.
  • Cares of water logged land for example swamps and marshes

Methods of reclaiming the land/Land reclamation techniques

  • A forestation or reforestation [planting trees]
  • Tsetse fly control which is done by clearing, spraying the area in order to kill them
  • Irrigation which is practiced where the natural precipitation is not sufficient to meet the crop moisture requirements
  • Draining water using canals and pumps can reclaim or constructing embankments for water-logged land /marshy areas or wetlands




  • Planting reeds so as to allow water absorption by plants so as to dry the areas for cultivation.
  • Planting grass cover to check erosion
  • Burning reeds so as to clear the area for cultivation and settlement

PURPOSES OF RECLAIMING THE LAND

  • To increase availability of arable land for cultivation.
  • To expand carrying capacity of land. This means that the land can be used for industrial areas as well as residential areas.
  • For road and railway construction.
  • To control floods caused by water from the sea. The best example of land reclamation in the world is the Zuider Zee land reclamation scheme in Holland (Netherlands).

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