MODE AND MECHANISM OF ACTION INTERCAT is a soil improver and a Cation exchanger rich in Phosphites, in powder form, it acts on crops: As a powerful fungicide against soil or vascular fungi (both preventively and curatively). As an enhancer of plant defenses (PHYTOALEXINS). As a metabolic activator in post-stress states. It promotes negative carbon emission because it sequesters carbon in the soil.