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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.
See also
 Minerals
Calcium
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. Nitrogen
One of the major mineral elements of plant nutrition. Nitrogen is found in soil so as combinations of organic and inorganic. Total nitrogen content can reach up to 0.5% of total dry substance of the soil, but more often this content oscillates around 0.1%. Magnesium
It is found in soil. Magnesium absorption by plants is conditioned by three main factors: the amount of land accessible, magnesium interactions with other elements and requirements of the plant. Insufficient magnesium produces necrosis of leaves. Magnesium accumulate in seeds, formed with phosphoric acid, fitina. Phosphorus
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. |
 
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