From the preliminary tests carried out, it is observed that the effectiveness of the ACTIVATOR NT4 additive from an experimental qualitative point of view is very positive, as it allows there to be no washout due to rainfall, in this way the quantities of products for the systematic treatment of crops can be reduced. It should also be noted that the product can be used in organic farming as it is 100% of natural origin. Another benefit that has been observed is the fact that the mixture containing copper does not form bottom precipitate, this allows better functioning of the machinery used for spraying and less maintenance of the sam