Nutrition and activation of plant endogenous defence system: Marcoram contains high concentrations of phosphorus, potassium and copper EDTA chelated. Macroram is very rapid and versatile and it can be applied on all crops with beneficial effects. Macroram re-establishes the right balance of plant metabolism and stimulates a quick production of endogenous phytoalexins that increase plant resistance to adversities. Copper EDTA chelated contained in Macroram is quickly and totally uptake by roots, then conveyed through plant tissues. Its powder formulation and rapid absorption capacity allow a versatile use with highly effective effects on crops.