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ISSN 2029-7092 online
ISBN 978-609-457-690-4 CD
ISBN 978-609-457-640-9
 Water Engineering

Valentinas Šaulys, Oksana Barvidienė

Substantiation of the expediency of drainage systems renovation in Lithuania

Conference Information: 9th International Conference on Environmental Engineering, MAY 22-24, 2014 Vilnius, LITHUANIA
Source: ICEE-2014 - International Conference on Environmental Engineering
Book Series: International Conference on Environmental Engineering (ICEE) Selected papers
ISSN: ISSN 2029-7092 online
ISBN: 978-609-457-640-9 / 978-609-457-690-4 CD
Year: 2014
Publisher: Vilnius Gediminas Technical University Press Technika

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Humid and boggy lands cover about 3.5 million ha in Lithuania. 3.02 million ha of humid and waterlogged lands have been drained (of which 2.58 million hectares – by drainage) till the year 1990. During the latter years, large areas of drained lands became uncultivated in agricultural industry due to the country’ public-social, demographic and economic reasons. With the increase of land productivity in points the uncultivated agricultural areas decrease. The regression analysis of the increase of plant-growing production and land productivity in points (due to drainage) shows that with the increase of the addition of land productivity in points (due to drainage) plant- growing production increases as well (according to polynomial dependence). After the evaluation of the dynamics of the uncultivated areas of agricultural farming lands, the increase of the land productivity in points due to drainage, the possibility of drainage breakdowns and the plant-growing production (by typical regions), it is possible to state that the highest expediency of the renovation of drainage systems is in the region of the Middle Lithuania Lowlands, the average – in the Pajūris Lowlands and the Baltic Highlands, the lowest one is in the Žemaičiai Highlands.

Keywords: drainage; environment; productivity land; breakdown possibility; drainage renovation.

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