COMPOSITION OF MULCH COVER (VERSIONS) Russian patent published in 2013 - IPC C09K17/52 

FIELD: agriculture.

SUBSTANCE: composition of mulch cover, characterised in that it comprises lignosulfonate, carbamide, Na-carboxymethylcellulose, potassium chloride, and moss of the species Sphaerocarpus and needles of pine Pinus pumila as the natural additives, water in the following wt %: lignosulfonate 0.1-0.4, carbamide 0.2-0.6; Na-carboxymethylcellulose 0.3-0.4, potassium chloride 1-3; moss of the species Sphaerocarpus 10-15; needles of pine Pinus pumila 8-9, and water - the rest. Also other variants of compositions of polymer-natural mulch cover are claimed.

EFFECT: invention enables to extend the range of compositions for soil mulching.

9 cl, 1 tbl