Question

ก n Describe how irrigation ditches are laid out.

Answer 1

Answer:

The mother ditch, or main ditch or canal, leads water to the headgates, which control the main flow. Lateral ditches run perpendicular to the main ditch and bring water to the fields for field irrigation. A drain canal brings water back to the stream.

Explanation:

Answer 2

Answer:

The main ditch leads water to the headgates that control the water flow. Lateral ditches run perpendicular to the main ditch, bringing water to irrigation fields. Drain canals bring water back to the stream.