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Bio Engineering : Grass Planting


Grass Planting Techniques in Bio Engineering


It is the simplest and easiest way of bio-engineering to protect the soil erosion. This technique provides a surface cover and catch debris thus reduce the speed of runoff, , thereby armouring and reinforcing the slope soil.
There are mainly two ways of Grass Plating:

 1. Contour/Horizontal


     

Specification of Contour Grass Plating:

  • Suitable with ground slope upto 60 Degree.
  • Horizontal spacing between herbs/shrubs shall be 10 cm 
  • Vertical spacing between herbs/shurbs could be variate from 30 to 100 cm (depends on soil)
  • Grass should be lopped off the ground by 10 cm.
    

Construction Method:

  • Prepare the site cleaning ruts, wilds etc. well in advance of planting  
  • Mark out the lines with bars/rods/pick, using a tape measure
  • Split the grass plants out to give the maximum planting material.
  • With a planting rod, make a hole just big enough for the roots. 
  • Place the grass into the hole 
  • Start grass planting from top advancing downwards.
  • Scatter a few handfuls manuer around the grasses
  • Watering shall be done next day manually in case of no rain. 













"Vegetation to be used in Contour/Horizontal Grass Plating: Amriso, Babiyo, Buffalo grass"

Limitation: formation of rill erosion in case of high runoff.


 2. Down slope/Vertical

  

Specification of Down slope/ Vertical Grass Plating:

  • Suitable with ground slope less than 60 degree.
  • Horizontal spacing between herbs/shrubs shall be 50 cm 
  • Vertical spacing between herbs/shurbs should be 10 cm.
  • Vertical spacing between herbs serves as drain fror directional flow.
  • Grassed should be lopped off the ground by 10-15 cm.

Construction Method:

  • Prepare the site cleaning ruts, wilds etc. well in advance of planting  
  • Mark out the lines with bars/rods/pick, using a tape measure
  • Split the grass plants out to give the maximum planting material.
  • With a planting rod, make a hole just big enough for the roots. 
  • Place the grass into the hole 
  • Start grass planting from top advancing downwards.
  • Scatter a few handfuls manuer around the grasses
  • Watering shall be done next day manually in case of no rain. 
"Vegetation to be used in Contour/Horizontal Grass Plating: Amriso, Babiyo"

Limitation: Formation of rill on weak soil.


3. Diagonal

       

4. Random

   




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