COMPOUND MINERAL FERTILISER FOR FLAX FIBRE Russian patent published in 2012 - IPC C05D9/02 

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. The compound mineral fertiliser for flax fibre which contains nitrogen, phosphorus, potassium, as well as sulphur - 1.5% with ratio N:P:K=1:2.4:5.3 with weight ratio of assimilable and water-soluble phosphates which make up 91.8-95.3 wt % of total P₂O₅ in the fertiliser, as well as boron or boron and zinc, in accordance with the compositions: 7% N, 17% P₂O₅, 37% K₂O, 0,2% boron and 7% N, 17% P₂O₅, 37% K₂O, 0,2% boron and 0.4% zinc.

EFFECT: invention enables to obtain compound nitrogen-phosphorus-potassium fertiliser for flax fibre grown on soils with high content of phosphorus with a lower ratio of nitrogen to phosphorus, containing only the most physiologically significant trace nutrients.

5 tbl