CROP YIELD-INCREASING DOUBLE SALT FERTILISER Russian patent published in 2013 - IPC C05C3/00 C05G1/00 

FIELD: chemistry.

SUBSTANCE: invention relates to two-component fertilisers methods for use thereof. The fertiliser, which is meant for application under crops, contains: a first fertiliser product containing ammonia fertiliser and a partial calcium salt of a first copolymer; and a second fertiliser product containing phosphorus fertiliser and a partial sodium salt of a second copolymer, wherein the first and second fertiliser products are present in a synergetically effective amount for said crop, such that there is a coordinated amount of said first and second fertiliser products which when combined increase crop yield more than the yield that could have resulted from separately applying said first and second fertiliser products in the same coordinated amounts.

EFFECT: invention enables to obtain synergetically high crop yield when applied in the soil or on plants.

31 cl, 2 tbl, 2 ex