An agrochemical concentrate comprises lecithin and at least one agrochemical active. The agrochemical concentrate may also comprise a dispersant selected from sucrose ester, alkylpolycoside, alkylnaphthalene sulphonate, phosphate ester, sorbitol ester, polyglycerol ester, alkyl sulphates, sodium lauryl sulphate, alkylglucamides, and dialkyl sulphosuccinates. An aqueous formulation comprises a dilution of the agrochemical concentrate in an electrolyte. A pre-blend comprises lecithin and a dispersant. A method of preparing the agrochemical concentrate and a method for treating vegetation are also disclosed.