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N nitrogen
- a constituent of amoni acids, proteins, enzymes and chlorophyll;
- a component of nucleic acids;
- the backbone of DNA;
- important in photosynthesis
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P phosphorus
- constituent of proteins, phospholipids, enzyme systems, and nucleic acids;
- important for energy systems (ATP);
- stimulates early growth and root formation;
- important in photosynthesis
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K potassium
- affects membrane permeability;
- stomote opening and closing;
- increases size and quality of fruits and vegetables
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Ca calcium
- component of plant cell walls and membranes;
- regulates membrane permeability
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Mg magnesium
constituent of chlorophyll molecule
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Fe iron
- essential for chlorophyll synthesis, stability;
- catalyst in respiration, photosynthesis, nitrogen fixation
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Mn manganese
- important enzyme catalyst in many metabolic reactions;
- promotes pigment and vitamin C synthesis
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Zn zinc
important component of enzymes, including ones involved in zinc synthesis of plant hormones (auxins)
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B boron
- role in differentiation of meristem cells; regulates carbohydrate metabolism;
- formation of pectins
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