COBALT-CONTAINING PEAT-ZEOLITIC FERTILISER OF PROLONGED ACTION Russian patent published in 2012 - IPC C05D9/00 C05F11/02 

FIELD: agriculture.

SUBSTANCE: cobalt-containing peat-zeolitic fertiliser of prolonged action which comprises lowland peat and natural zeolite modified by trace element cobalt in the ratio 2.1:1-2.6:2. Natural zeolite which is crushed to the grain size of 0.5-0.7 mm, is saturated with the 0.009-0.011% solution of cobalt sulfate CoSO₄ for 5-7 hours at a weight ratio of natural zeolite and solution of cobalt sulfate 1:8-1:9.

EFFECT: invention enables to improve the biological productivity of low-productive cryoarid and cryomorphic soils, crop yield, and to improve their quality composition.

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