Emulsifiable concentrate for macroemulsified phytosanitary composition, comprising: - more than 90% by weight of at least one distillation hydrocarbon mixture greater than 250 ° C, comprising less than 20% by weight of n-paraffins and less than 1% of aromatics and - from 1 to 4% by weight of a mixture of at least two surfactants TA1 and TA2, such that TA2 is more hydrophobic than TA1 in a difference of HLB value between TA1 and TA2 ranging from 3 to 11 and whose HLB value of the mixture varies from 6 to 10 and comprising - from 0.0001% to 1% by weight of water, the surfactant TA1 being chosen from polyalkoxylated carboxylic acids, which comprise a carbon chain of 16 to 20 carbon atoms with at least one olefinic bond, each polyalkoxylated group comprising 3 to 15 alkoxylated radicals, the same comprising 1 to 4 carbons per oxygen atom, the HLB value of said TA1 varying from 5 to 16.
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