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

FIELD: chemistry.

SUBSTANCE: composition of mulching covering contains lignosulfonate, carbamide, Na-carboxymethylcellulose, potassium chloride, and as natural additives moss of species Polytrichopsida and needles of larch Larix lubarskii, and water in wt %: lignosulfonate 0.1-0.4, carbamide 0.2-0.6, Na-carboxymethylcellulose 0.3-0.4, potassium chloride 1-3, moss of species Polytrichopsida 10-15, needles of larch Larix lubarskii 8-9, water - the remaining part. Quantity of larch Larix lubarskii needles in second and third versions of mulching covering constitutes in wt % respectively 9.1-9.5 and 9.8-11.

EFFECT: extension of arsenal of compositions for soil mulching.