Agriculture Engineering
Soil and Water Conservation Technologies:: On Farm Irrigation Structures

 

On-Farm Irrigation Structures

Prefabricated on farm channel

 

1.

Function

:

To convey irrigation water in fields.

2.

Specification

:

  • Cement mortor 1:3 mix is used.
  • Material required for 100 nos. of channels
  • Cement – 1050 kg
  • Sand – 2 cubic metre

3.

Cost

:

Rs. 100/- for 1 m length.

4.

Salient features

:

  • No skilled labour is required
  • No excavation of soil needed. Can be laid on the ground
  • Groove and Tongue arrangement – facilitates easy connection
  • Portable. Can be shifted and reused.
  • No seepage loss and erosion.
  • No danger from burrowing animals.
  • More suitable for black cotton soils
  • Under ground pipe lines can also be effectively used for vertisols

 

Cement concrete diversion box:

1.

Function

:

To divert the flow in any direction in the field channel

2.

Specification

:

Cement concrete 1:2 :4 mix is used.
Material required for 1 box are

  • Cement – 17 kg.
  • Sand – 0.025 cum
  • Aggregate -0.05 cum.

3.

General information

:

The diversion box is useful in diverting irrigation water in the required direction (3 directions). Metered quantity can be diverted in each direction It has grooves to join the prefabricated irrigation channels.  

4.

Cost

:

Rs. 200/- each.

5.

Salient features

:

No skilled labour is required
Can be reused at alternate locations after dismantling
Maintenance cost less

 
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