17. What is meant by agronomic fertilizer additives?

Agronomic fertilizer additives are substances that can give a new fertilizing property, different from the ones main fertilizers provide. Among these new fertilizing properties, actions promoting the growth and / or development of crops or one effect improving the physical and / or chemical and / or biological properties of the soil will be found. The agronomic additives selected in this regulation are humic substances, microbial preparations and plant growth and / or growth stimulators.