A method of spray applying an agricultural pesticide composition through an induction flat spray tip nozzle, wherein the agricultural pesticide composition comprises: a liquid medium; at least one pesticide dissolved or dispersed in the liquid medium; and a guar or a guar derivative, wherein at least a portion of the guar or guar derivative, typically a cationic guar, is in the form of particles and at least a portion of the particles are dispersed in the liquid medium, wherein the induction flat spray tip nozzle comprises: a spray tip nozzle body comprising: a first end capable of being connected to a liquid supply, a venturi compartment; and a discharge orifice.