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Mulching for soil and Water Conservation

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This Presentation explains the role of mulching for conservation for natural resources like soil and water for sustainable agriculture.

Published in: Environment
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Mulching for soil and Water Conservation

  1. 1. 1) Introduction 2) Mulching 3) Types of Mulching 4) Working of Mulch 5) Advantages of Mulching 6) Water & Soil Conservation by Mulching 7) Conclusion
  2. 2. Main Characteristics of Arid Zone Low Precipitation High Temperature Major Problems of Arid Zone Less availability of Moisture Soil Erosion One of the Solutions to Problems
  3. 3. A mulch is  a  layer  of  material  applied  to  the  surface of an area of soil. Mulches are  materials  placed over the soil surface  to  maintain  moisture  and  improve soil conditions.
  4. 4. “It  is  the  type  of  mulching  in  which  the  mulching material is always organic.” Organic residues, grass  clippings, leaves, hay, straw,  shredded bark,  whole  bark,  animal manure, etc. Organic mulches are temporary  decay over time. They add Organic matter in Soil Increase water retention Capacity Provide Nutrients
  5. 5. In  this  form  mulching material is always from inorganic source (synthetic)  . The  material  used  in  this  type  is  usually  stones,  plastic bags , nylon sheets etc. They  do not decompose  with time.
  6. 6. 1) Moderates soil temperature 2) Reduces evaporation 3) Stabilizes soil moisture 4) Controls weeds 5) Controls soil erosion 6) Provides valuable nutrients as breaks down 7) Encourages worms, which aerate the soil
  7. 7. Mulches Prevent from water loss by:  Moderation of soil Temperature  Minimizing Evaporation  Preventing Run-off  Suppress water-stealing weeds  Add organic matter to the soil  Improve water retention capacity of soil
  8. 8. Mulches break the force of rain and irrigation water thereby: preventing erosion soil compaction and crusting Mulched soils absorb water faster Improve Soil texture
  9. 9. Simplest and cheapest method to Conserve Natural Resources Conserve Soil Moisture Organic Mulch-----------------25% Inorganic Mulch---------------75% Reduction in Soil erosion---------41-75%

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