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Samples of surface waters of intensively exploited arable lands in Wielkopolska Province of Poland were collected in 2006 and 2007. The studies included 13 insecticides used in rape plants protection ...
One of the methods to improve water balance is development of the so called small retention consists mainly in the increase of the potential retention abilities of small basins. The studies and approx...
The efficiency of the system for flood protection in Odra river basin during the flood of 1997 is shown.

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