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, Tetraphidopsida moss and Larix amurensis 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, Tetraphidopsida moss 10-15, Larix amurensis larch needles 8-9, water - the balance. Other versions of the mulching composition are disclosed which contain Larix amurensis larch needles in the following ratios, wt %: 9.1-9.5 and 9.8-11.

EFFECT: wider range of soil mulching compositions.

3 cl