MULCHING COMPOSITION (VERSIONS) Russian patent published in 2013 - IPC C09K17/52 A01B79/02 A01G13/02 

FIELD: chemistry.

SUBSTANCE: mulching composition contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives, Pallavicinia moss and Larix middendorffii 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 middendorffii larch needles 8-9, water - the balance. The moss and larch needles can also be taken in the following ratios, wt %: Pallavicinia moss 10-15, Larix middendorffii larch needles - 9.1-9.5; or Pallavicinia moss - 10-15, Larix middendorffii larch needles - 9.8-11.

EFFECT: invention widens the range of soil mulching compositions due to use of natural materials and increases environmental friendliness of mulching.

3 cl, 1 tbl