FIELD: agriculture.
SUBSTANCE: encapsulated particle contains: a crust particle containing a fertiliser; a transferred pesticide with vapour pressure of at least 3 mPa at 25°C and located near the indicated crust particle; and a polyurethane layer located near the said transferred pesticide, wherein the said polyurethane layer comprises a reaction product of isocyanate and polyol, and wherein the reaction mixture of the said polyurethane layer has a maximum reaction mixture temperature of not more than 30°C during formation of the said polyurethane layer.
EFFECT: pesticide effectiveness is increased.
24 cl, 2 tbl
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Authors
Dates
2018-01-12—Published
2013-11-15—Filed