It is part of the chlorophyll molecule and is necessary for carrying out photosynthesis. It acts as a component of protein-forming essential amino acid molecules, it is directly responsible for increasing the protein content in grains.
In the specific case of rice, in addition to promoting increased plant growth. It helps in the expansion of the leaf area, improves the interception of solar radiation, promotes a higher photosynthetic rate, which will favor greater production.
Deficiency – Characterized by yellowing of the older leaves and, depending on the intensity and evolution of the deficiency, it can affect the entire plant. The blades of the lower leaves die, leaving the tissue with a brown color.