THIS PPT COVER ABOUT WIND EROSION CONTROLS AND ITS DIFFERENT METHODS DIFFERENT METHODS ARE : 1.VEGETATIVE MESURES 2 TILLAGE PRACTICES. 3. MECHANICAL MESURES A. WIND BREAKS B. SHELTER BELTS

1. WIND EROSION CONTROL
PRESENTATION BY
UTKARSH JAIN

2. WIND EROSION CONTROL
• WIND EROSION :DETATCHMENT,TRANSPORTATION AND DEPOSITION OF SOIL BY
ACTION OF WIND.
• WIND EROSION CONTROL IS NECESSARY TO REDUCE SOIL DETERIORATION.
• METHODS :
1. MAINTAIN VEGETATIVE COVER.
2. ROUGHEN SOIL SURFACE BY TILLAGE OPERATIONS.
3. MECHANICAL OR STRUCTURAL MESURES.

3. VEGETATIVE MESURES.
• AIM : TO KEEP SOIL ROUGH AND RIDGED.
• CROP COVER WITH SUFFICIENT GROWTH PROVIDES PROTECTION.
• DUE TO RESISTANCE OFFERED BY VEGETATION WIND VELO DECREASES NEAR
GROUND SURFACE.

4. TILLAGE PRACTICES.
• COMMON TILLAGE PRACTICES FOR WIND CONTROL ARE:
1. PRIMARY AND SECONDARY TILLAGE.
2. USE OF CROP RESIDUES.
3. STRIP CROPPING.

5. MECHANICAL MESURES
• CONSISTS : MECHANICAL OBSTACLES TO REDUCE IMPACT OF WIND.
• EXAMPLE : FENCES,WALL ETC.
• TYPES OF MECHANICAL MESURES ADOPTED ARE :
1. WIND BREAKS
2. SHELTER BELTS

6. WIND BREAKS
• TYPE OF BARRIER USED FOR PROTECTING AREAS FROM BLOWING WINDS.
• LARGEST WIND BREAKS : LOCATED IN OMAN

7. SHELTER BELTS
• LONGER AND EFFECTIVE BARRIER THAN WIND BREAKS.
• INSTALLED USING MORE THAN TWO ROWS AT RIGHT ANGLE TO DIRECTION OF
PREVAILING WIND.
• USED FOR CONSERVATION OF SOIL MOSITURE.
• ALSO PROVIDES FUEL AND REDUCES EVAPORATION.