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Land Reclamation and Rehabilitation Topical Questions and Answers: Form 4 Geography

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Summary

Explore the Topical Questions and Answers for Land Reclamation and Rehabilitation in Form 4 Geography.1. (a) Give two methods used to reclaim land in Kenya.
- Irrigating dry land.
- Draining of swamps
- Adding manure to infertile soils
- Introducing drought resistant crops
- Planting of trees/Afforestation
(b) Outline the stages through which land is reclaimed from the sea in the Netherlands.
- Part of the low lying land covered by sea water is enclosed using strong
walls/ ring dykes
- Ring canals are constructed to lead water to pumping station.
- The water is pumped out using windmills/diesel pumps/electricity pumps.
- Ditches are then dug to drain the excess water from the enclosed land
- Chemicals are added to the soil to reduce salinity /fresh water is pumped
into the enclosed land to reduce salt.
- Oats, rye and sugar beets are planted to improve the PH of the soil and
reduce the land salinity further.
- The land is dry and (ready for use)
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