Better Farming Series 21. Wet Paddy or Swamp Rice (FAO Better Farming series, 1977, 40 p.): How to get good yields: Digging the main irrigation channels

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Better Farming Series 21. Wet Paddy or Swamp Rice (FAO Better Farming series, 1977, 40 p.)

How to get good yields

		(introduction...)
		Layout of a water control system for a rice field
		Building the dams
		Digging the main irrigation channels
		Digging the main drain
		Digging distribution channels and feeder drains
		Laying out checks

Digging the main irrigation channels

9. The main irrigation channels take water to the whole of the field.

Digging the main irrigation channels

They follow the outside edges of the field.
The channels must be big enough to let the water flow through well.
If the field has no slope, the channels must be dug deeper near the second dam.

They follow the outside edges of the field.