Irrigation and drainage

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4 years ago

Irrigation (this is the artificial application of water to the soil to supplement the insufficient rainfall or to eliminate soil water handicap for crop production or agricultural purposes)

Important of irrigation

It makes early planting possible

It add water to the soil in order supply the moisture for plant growth

Stabilises farm economy

It reduces salinationin the soil

Disadvantage of irrigation

there is high cost of equipment

Maintenance of irrigation facilities is too low

Transmission of diseases is possible

Drainage (is the removal of excess water artificially from a farmland to prevent waterlogging and promote good farming activities)

Important of drainage

It prevent waterlogging in the soil

Favours growth of soil bacteria and other soil organisms

The rate of germination of seed is increased

It reduces soil acidity

It reduces soil salinity

Disadvantage of drainage

it is expensive to establish and maintain

Acidity may increase around the reservoir

Cannot be practised in all farmland especially where the water table is very high

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