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Irrigation methods in sugarcane

Methods of Irrigation

1. Flood irrigation:

  • In Flood irrigation method, free flow of irrigation water is allowed in the fields in all directions.
  • It is practiced in the flat planted cane, but water loss is high.

Large furrow system:

  • In this system, water is directed between the rows of the crop and permitted to soak down to the roots of the plants.
  • The length of each row is determined by soil permeability and by the steepness of the slope.
  • On slopes of up to 0.1% this system is quite successful.

Wakhura system:

  • It consists of small beds with ridges in them.
  • Both the ends of ridges open to allow free movement of water from one furrow to another.
  • This method is useful in places where the quantity of water is restricted and the field has mild slope.

Contour furrows system:

  • In this system, furrows are made along adjusted contour lines.
  • It is popular in regions where land is undulating, especially in Maharashtra.

Serpentine method:

  • This consists of formation of big ridges and furrows after about 3 months of planting (prior to the grand growth period) and the furrows are inter-connected in the shape of a serpent.
  • The water is let in at one end virtually comes out after irrigating the entire field.
  • This method is practiced on adsali crop of Maharashtra and north Karnataka and eksali crop in Belgaum region.

Alternate skip furrow method:

  • In skip-furrow method, sugarcane is planted in flat beds as usual and after germination, 45 cm wide and 15 cm deep furrows were made in alternate inter row spaces.
  • There is considerable saving of water in this method of irrigation.
  • In Autumn planting, there are 7 irrigations in plains (5 before rain and 2 after rain)
  • In spring planting, there are 6 irrigations (4 before rain and 2 after rain) - one irrigation at tillering is must.
  • For Tarai area- there are 3 to 4 irrigation, 2-3 before rain and one after rain. 
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