MULCHING COMPOSITION (VERSIONS) Russian patent published in 2014 - IPC C09K17/52 

FIELD: chemistry.

SUBSTANCE: mulching composition contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives, Pallavicinia moss and Larix lyallii 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, Pallavicinia moss 10-15, Larix lyallii larch needles 8-9, water - the balance. In other versions of the mulching composition, the amount of Larix lyallii larch needles can be 9.1-9.5 or 9.8-11 wt %.

EFFECT: wider range of soil mulching compositions.

3 cl, 1 tbl