NDLI: Biodestruction of strongly swelling polymer hydrogels and its effect on the water retention capacity of soils

Content Provider	Springer Nature Link
Author	Smagin, A. V. Sadovnikova, N. B. Smagina, M. V.
Copyright Year	2014
Abstract	The biodestruction of strongly swelling polymer hydrogels (water adsorbing soil conditioners of the new generation) has been studied at the quantitative level using original mathematical models. In laboratory experiments, a relationship between the hydrogel degradation rate and the temperature has been obtained, and the effect of the biodestruction on the water retention curve of soil compositions with hydrogels (used as an index of their water retention capacity) has been assessed. From the automatic monitoring data of the temperature regime of soils, the potential biodestruction of hydrogels has been predicted for different climatic conditions. The loss of hydrogels during three months of the vegetation period because of destruction can exceed 30% of their initial content in irrigated agriculture under arid climatic conditions and more than 10% under humid climatic conditions. Thus, the biodestruction of hydrogels is one of the most important factors decreasing their efficiency under actual soil conditions.
Starting Page	591
Ending Page	597
Page Count	7
File Format	PDF
ISSN	10642293
Journal	Eurasian Soil Science
Volume Number	47
Issue Number	6
e-ISSN	1556195X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2014-06-17
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	temperature simulation water retention capacity water retention curve Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Soil Science

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