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"Soil degradation is when soil deteriorates because of human activity and loses its quality and productivity. It happens when soil loses its nutrients, or its organic matter."

Soil Rehabilitation & Restoration / LAND RECLAMATION


Use of Soil Rehabilitation & Restoration / LAND RECLAMATION

  • Deserts
  • Mine Dumps / Tailings
  • Contaminated Soil
  • Exhausted Soil and Crop Rotation
  • Phytoremediation of contaminated soil
  • Soil degradation is when soil deteriorates because of human activity and loses its quality and productivity. It happens when soil loses its nutrients, or its organic matter. It also happens when the soil structure breaks down, or if the soil becomes toxic from pollution. Simply, it is the breakdown of soil particles. When the humus level falls below 1%, the beneficial micro-organisms can no longer survive and disappear totally. At the point plant growth is severely compromised.
    The situation mentioned above can be reversed and the degraded soil can become productive again. Often the main culprit of soil degradation is the inconsiderate and prolonged use of chemical products, weed killers, fungicides and insecticides over a long period of time.

    Salt-affected soils are a major threat to agriculture, farm income and food production. These soils are present in arid-semiarid regions and cover approximately 7 per cent of the total land area of the Earth. In India, irrigation-induced salt-affected soils cover an area larger than naturally occurring salt affected soils, and both are widespread in the arid and semiarid agro-ecological region.
    Soil salinity, sodicity, or a combination of both results in the degradation of land and affects its productive utilization.

    State Saline soils (ha) Alkali soils (ha) Coastal saline soil (ha) Total
    Andhra Pradesh 0 196609 77598 274207
    A & N islands 0 0 77000 77000
    Bihar 47301 105852 0 153153
    Gujarat 1218255 541430 462315 2222000
    Haryana 49157 183399 0 232556
    J & K* 0 17500 0 17500
    Karnataka 1307 148136 586 150029
    Kerala 0 0 20000 20000
    Maharashtra 177093 422670 6996 606759
    Madhya Pradesh 0 139720 0 139720
    Orissa 0 0 147138 147138
    Punjab 0 151717 0 151717
    Rajasthan 195571 179371 0 374942
    Tamil Nadu 0 354784 13231 368015
    Uttar Pradesh 21989 1346971 0 1368960
    West Bengal 0 0 441272 441272
    Total 1710673 3788159 1246136 6744968

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