MULCHING COMPOSITION (VERSIONS) Russian patent published in 2013 - IPC C09K17/52 

FIELD: chemistry.

SUBSTANCE: mulching composition contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives, Bryopsida moss and Larix maritima larch needles, and water in the following ratios, wt %: lignosulphonate 0.1-0.4, carbamide 0.2-0.6, Na-carboxymethyl cellulose 0.3-0.4, potassium chloride 1-3, Bryopsida moss 10-15, Larix maritima larch needles 8-9, water - the balance. Also disclosed are other versions of polymer-natural mulching compositions in which the quantitative content of the needles is changed.

EFFECT: wider range of soil mulching compositions.

3 cl, 1 tbl