FIELD: agriculture.
SUBSTANCE: invention relates to agriculture and land reclamation. Ameliorant for soils of agricultural lands contains straw, potassium humate, quicklime and bentonite clay in ratio of components of 3:1:2:1, during preliminary thermomechanical treatment of straw with grinding to the length of fragments of less than 1 cm and longitudinal splitting of stems by more than 40%.
EFFECT: proposed ameliorant allows to reduce mobility of heavy metals and biotoxicity of soil of arable land, promotes growth of biomass of cultivated plants due to increase of content of organic substance and elements of mineral nutrition – nitrogen, phosphorus, potassium.
1 cl, 3 tbl, 1 ex
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