PREPARATION FOR LAND RECLAMATION, CONTAMINATED WITH ARSENIC, AND PREPARATION FORMULA FOR LAND RECLAMATION, CONTAMINATED WITH ARSENIC (VERSIONS) Russian patent published in 2015 - IPC C05G1/00 

FIELD: agriculture.

SUBSTANCE: preparation for land reclamation, contaminated with arsenic, contains a mixture of humic acids, modified with 5% solution of lime milk, in a ratio of mixture of humic acids to 5% solution of lime milk as 6:4-8:2. The preparation formula for land reclamation, contaminated with arsenic, contains organic components and water, and it additionally contains lime, and as the organic component it comprises a mixture of humic acids of the preparation "Humate 80" with a chemical composition based on the dry wt %: water-soluble sodium and potassium humates - 87%, other water-soluble compounds - 6.3%, insoluble residue - 6.7%.

EFFECT: inventions enable to improve significantly the fertility of soils contaminated with arsenic, with simultaneous reduction of their toxicity by providing binding of arsenic in its both metallic and non-metallic forms into hardly soluble compounds.

2 cl, 2 dwg, 1 tbl