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| polder, diked country | |||
| diked marsh; new marsh | |||
| polder A generally fertile tract of flat, low-lying land (as in Netherlands and Belgium) reclaimed and protected from the sea, a lake, a river, or other body of water by the use of embankments, dikes, dams, or levees. The term is usually reserved for coastal areas that are at or below sea level and that are constantly protected by an organized system of maintenance and defense | |||
| polder | |||
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| polders | |||
| marsh soils; polder soils; marine alluvial soils | |||
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polder : 25 do fraz, 8 tematyki |
| Budownictwo | 8 |
| Magnetyzm | 2 |
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| Zasoby naturalne i ochrona dzikiej przyrody | 5 |