Obtaining swelling hydrogels to improve fertility and the benefit of retaining sandy soils

The article provides information on the preparation of polyelectrolytes and swelling polymeric hydrogels with different specified properties. The analysis of domestic and foreign scientific literatures is presented. Particular attention of researchers is paid to rare cross-linked polyelectrolytes, the so-called supermoisture absorbents or hydrogels. Thanks to a complex of variable unique properties, supermoisture absorbents have found the widest application on the world market in medicine, industry, agriculture, and in solving water and environmental problems.

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