ARTIFICIAL SOIL Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: the artificial soil comprises the base material (sapropel); a water-retaining material (polymer); a biologically active substance BAS); an algologic nitrogen-fixing component Nostoc Linekia, the ratio of the components being as follows: (wt %): BAS from 0.5 to 10.0 polymer from 10.0 to 23.0 Nostoc Linekia from 0.03 to 0.06; and sapropel, the balance. EFFECT: simpler and cheaper manufacture of artificial soil. 2 cl, 1 tbl