We have already mentioned in other publications that fertilizers can be organic or inorganic, in either case, the main function of these elements is to make the soil fertile so that it allows a higher and better production or growth of plants.
▶ Fertilizers play today a very important role in the agricultural industry because they favor the growth of crops at a higher level, they can be bio-products, that is to say products created in a natural and biologically organic way, with the objective of reducing pollution when using chemical fertilizers.

▶ Credits: gardenreviewer – [Image of Public Domain]
In order to encourage the creation, recovery and maintenance of agroecosystems whose productivity is based on the correct and adjusted use of natural cycles, thus having healthy crops and better nutritional quality.
Since all the vitamins and properties of each food are preserved without contaminants and obtained through sustainable work systems, the quality of the food depends on its nutritional value, and is indicated by the content of crude protein (PB) and energy of the food, which is determined through the total digestible nutrients (TDN).
Chemical composition refers to what substances are present in a given sample and in what amounts.
NOTE: Reference material.