COMPOSITION OF MULCH COVER (VERSIONS) Russian patent published in 2013 - IPC C09K17/52 

FIELD: agriculture.

SUBSTANCE: composition of mulch cover comprises lignosulphonate, urea, Na-carboxymethyl cellulose, potassium chloride, and as natural supplements the moss of species Polytrichopsida and needles of larch Larix koreana, and water in the following wt %: lignosulfonate 0.1-0.4, urea 0.2-0.6, Na-carboxymethyl cellulose 0.3-0.4, potassium chloride 1-3, moss of species Polytrichopsida 10-15, needles of larch Larix koreana 8-9, water - the rest. The amount of moss Polytrichopsida and needles of larch Larix koreana in the second and third versions of mulch cover is wt %, 10-15 and 9.1-9.5 or 9.8-11, respectively.

EFFECT: increase in the range of compounds for soil mulching.

3 cl, 1 tbl