FIELD: biotechnology.
SUBSTANCE: invention relates to the field of biotechnology, namely to a composition for use as an artificial soil with the properties of black soil, or a conditioner for natural soil, endowing it with the properties of black soil and increasing its fertility, or together with seed. The composition contains ground brown coal and ground ultrabasic (alkaline) material. A feature of the composition is that it contains milled natural serpentinite as an ultrabasic material at a mass ratio with milled brown coal from 0.6 to 1.3 and additionally contains natural clay at a mass ratio with milled brown coal from 0.1 to 1.0. In the composition used as a conditioner for soil or artificial soil, these components preferably have a grain size of not more than 3 mm, and the composition intended for use in conjunction with seed is made in the form of granules.
EFFECT: invention makes it possible to ensure, when using the composition, provides possibility of preserving nutrients in the soil while simultaneously excluding the use of soil-poisoning components with obtaining indicators of agrotechnical efficiency characteristic of chernozems.
6 cl, 5 dwg
