Soil, importance
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Soil, importance

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Soil Importance

Soil Importance
Fruit and Vegetable Science
K. Jerome

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Soil, importance Soil, importance Presentation Transcript

  • THE IMPORTANCE OF SOIL
    • What's the difference between soil and dirt?
    • wrong place - dirt
  •   T he importance of soil
    • Life, civilization
    • depend on planet's
    • soil and
    • water resources
  •  
    • Shortages cause:
    • Conflicts
    • Migration
  • Future  
    • Soil will become even more crucial   World population doubles every 40 years
    • only 7 percent of earth's surface is suitable for agriculture
  • Soil is non-renewable resource
    • T hin, fragile layer of life-supporting material
    • Supplies plants, animals with all resources they need
  • Soil health
    • Capacity of soil to sustain plant and animal growth
    • Capacity of soil to maintain air and water quality  
  •   Soil degradation
    • United Nations report, 2001:
    • 1.75 billion tons of crop soil lost worldwide to erosion
  •   Reasons for soil degradation
    • Erosion Pollution Desertification Changes in soil chemistry Increases in salt levels Loss of organic matter
  •  
    • We must take it upon ourselves to practice good soil management and protect our soils.  
  • How much soil is there?
    • How Much Soil Is There?