Question

why do we need irrigation 4 marks​

Answer 1

Answer:

We need irrigation for the following reason

Explanation:

Irrigation is the process through which controlled amount of water can be supplied through artificial means such as pipes, ditches, sprinklers etc. the main objectives of irrigation systems is to help agricultural crop growth, landscape maintenance, reduce the effect of inadequate rainfall etc. Therefore, the importance of irrigation systems is very high.

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Answer 2

Answer:

Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall. ... Irrigation is often studied together with drainage, which is the removal of surface and sub-surface water from a given area.