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Kambia Rice Polders

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The Kambia rice polders in northwestern Sierra Leone are a remarkable example of agricultural adaptation to the tidal mangrove swamps. Located in the estuaries of the Great and Little Scarcies Rivers, engineers and farmers have developed a sophisticated system of dikes and canals to keep out salt water and utilize the fertile alluvial plains for rice cultivation. These polders allow for the growth of specialized rice varieties that are tolerant of fluctuating water levels. Tidal irrigation harnesses the natural rhythm of the ocean to flood the fields with fresh water, significantly reducing the need for expensive chemical fertilizers. Kambia is widely regarded as the 'breadbasket' of the region, and the rice produced here is vital for the national food security of Sierra Leone. Maintaining the polders requires constant communal labor to protect the dikes from erosion and storm surges. This form of rice farming is ecologically sustainable and efficiently exploits the unique resources of the coastal ecosystem.
- Location: Sierra Leone
- Nearby: Rokupr (12 km)
Best time to visit & climate
The most pleasant time to visit is Jan, Feb, Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 27 | 28 | 29 | 29 | 28 | 27 | 26 | 25 | 26 | 26 | 27 | 26 |
| Rain mm | 0 | 3 | 2 | 23 | 124 | 378 | 705 | 808 | 410 | 178 | 65 | 3 |
📋 Practical info
Geography
Facts
- Kambia is the leading district for mangrove swamp rice cultivation in Sierra Leone.
- The polder system was partially developed as early as the 1930s.
- The Scarcies Rivers transport large amounts of nutrient-rich silt to the fields.
- Over 20,000 hectares of land in Kambia are suitable for polder-based farming.
- Rice accounts for nearly 50% of the daily caloric intake for the local population.
- Tidal irrigation utilizes the hydrostatic pressure of rising seawater to move fresh water.
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Sights in the town Kambia Rice Polders (1)
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Frequently asked questions
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