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

FIELD: chemistry.

SUBSTANCE: invention relates to compositions for mulching different types of soil, lawn and parking areas. The mulching composition is characterised by that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives, Sphagniidae moss and Pinus sylvestris pine needles, shells of Siberian pine nuts Pinus sibirica and Pinus sylvestris pine bark chips in the following ratios, pts.wt: lignosulphonate 0.1-0.4; carbamide 0.2-0.6; Na-carboxymethyl cellulose 0.3-0.4; potassium chloride 1-3; Sphagniidae moss 10-15; Pinus sylvestris pine needles 8-9; shells of Siberian pine nuts Pinus sibirica 4-6; Pinus sylvestris pine bark chips 2-5.

EFFECT: invention widens the range of soil mulching compositions.

2 cl, 1 tbl