Sodium plays a well defined role in vascular bands and fibers that support the plant tissue.
Halophile plants, adopted an environment with high concentrations of sodium, this element is necessary for growth, give a better color of the leaves, increases disease resistance.
The halophile plants, the effects of sodium deficiency are the colored leaves, almost white, spotted narcotics.
Calcium is taken from the environment. In plant cells and tissues to be present in ionic form and the form of inorganic and organic combinations.
Iron must be present in the soil in a form assimilable otherwise occurs deficiency manifested by green-sickness. Iron deficiency is associated with a yellowing of leaves.
Sulfur is present in the soil as organic and mineral.
Organic sulfur is the most important reserves of ground mineralization and progress to a more or less quickly depending on the activity of microorganisms.
Phosphorus is found in soil as organic and inorganic compounds. Soil organic phosphorus comes from the decomposition of organic residues from crop residues or organic fertilizers.