Mulching composition

FIELD: chemistry.

SUBSTANCE: invention relates to chemical industry, agriculture and forestry and can be used, for example, for urban and agricultural purposes for mulching soil, to compositions for mulching different types of soil, lawn and parking areas. The mulching composition contains, wt %: lignosulphonate 0.1-0.4, carbamide 0.2-0.6, Na-carboxymethyl cellulose 0.3-0.4, potassium chloride 1-3, water - the balance. The composition (versions thereof) contains natural plant additives in form of Bryopsida moss and Pinus koraiensis pine needles with different content of said plant additives.

EFFECT: wider range of soil mulching compositions.

6 cl, 1 tbl

 

The invention relates to the chemistry of synthetic substances polymer in a mixture with organic and natural substances, for example, for urban and agricultural purposes or compositions for mulching different types of soils, lawns, parks and gardens.

Was formerly known such a composition of the mulch, which is used polyacrylamide, urea, lignosulfonate, potassium chloride and water in the following ratio, wt.%: polyacrylamide 0,25-0,75, lignosulfonate 0.5 to 1.5, urea, 0.4 to 0.8, potassium chloride 1-3, water the rest (patent of Russia №2034899 C1, 1995, CL C09K 17/00).

However, this patent did not use natural materials is a significant disadvantage. Nature provides many suitable materials, many mosses, different types of wood waste, bark, shavings, chips. In this case, different types of wood can be combined with different kinds of synthetic materials - polymers, their waste if they are harmless to the environment.

In the present invention the technical result is the use of numerous kinds of natural materials, that is, the extension of the range of compositions for mulching soils.

This result is achieved by the fact that the composition of the mulch according to the invention contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives movida Bryopsida and pine needles of Pinus koraiensis, water in the following ratio, wt.%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida10-15
needles of a pine Pinus koraiensis8-9
waterthe rest of it.

As variants invented the following compounds, which are changed (selected) important relations for moss and pine needles:

moss species Bryopsida10-15
needles of a pine Pinus koraiensisfrom 9.1 to 9.5
or
moss species Bryopsida10-15
needles of a pine Pinus koraiensis9,8-11
or
moss species Bryopsida15,5-17
needles of a pine Pinus koraiensis8-9
or
moss species Bryopsida17,8-18
needles of a pine Pinus koraiensis8-9
or
moss species Bryopsida17,8-18
needles of a pine Pinus koraiensis9,8-10

The composition prepared as follows.

These ingredients are subjected separately to grinding and after mixing in the aquatic environment.

The table shows various examples of variants of the invention.

IngredientsComposition, wt.%
123456
Lignosulfonate, wt.%0,10,250,40,40,250,4
Urea, wt.%0,20,40,60,60,40,6
Na-carboxymethylcellulose, wt.%0,30,350,40,40,350,4
Potassium chloride, wt.%123323
Moss species Bryopsida, wt.%101315161818
Needles of a pine Pinus koraiensis, wt.%89,5109,08,510

1. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Bryopsida and x is Oy pine Pinus koraiensis, water, wt.%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida10-15
needles of a pine Pinus koraiensis8-9
waterrest

2. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Bryopsida and pine needles of Pinus koraiensis, water, wt.%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida10-15
needles of a pine Pinus koraiensis from 9.1 to 9.5
waterrest

3. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Bryopsida and pine needles of Pinus koraiensis, water, wt.%:

lignosulfonate0,1-04
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida10-15
needles of a pine Pinus koraiensis9,8-11
waterrest

4. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Bryopsida and pine needles of Pinus koraiensis, water, wt.%:

lignosulfonateof 0.1-0.4
the carb is the Ministry of foreign Affairs 0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida15,5-17
needles of a pine Pinus koraiensis8-9
waterrest

5. The composition of the mulch, characterized in that it contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Bryopsida and pine needles of Pinus koraiensis, water, wt.%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida17,8-18
needles of a pine Pinus koraiensis8-9
waterrest

6. The composition of the mulch, kharakterizuyushchiisya, that contains lignosulphonate, carbamide, Na-carboxymethyl cellulose, potassium chloride and, as natural additives moss species Bryopsida and pine needles of Pinus koraiensis, water, wt.%:

lignosulfonateof 0.1-0.4
urea0,2-0,6
Na-carboxymethylcellulose0,3-0,4
potassium chloride1-3
moss species Bryopsida17,8-18
needles of a pine Pinus koraiensis9,8-10
waterrest



 

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