Agri 31 Nutrients Purpose

Carbon (C)

Hydrogen (H)

Oxygen (O)

Constituent of all organic molecules

Nitrogen (N)

Component of proteins, enzymes, and nucleic acids

Phosphorus (P)

In nucleic acids, phytin, coenzymes, adenylases; regulatory function

Potassium (K)

Osmoregulation; enzyme activator, and protein component

Calcium (Ca)

In pectates, and regulatory protein ; regulation of enzyme

Magnesium (Mg)

Integral component of chlorophyll, Mg-ATP; activator of phosphorylation, RuBP carboxylase

Sulfur (S)

Constituent of several coenzymes, vitamins and amino acids

Iron (Fe)

Components of Fe- and Fe-S proteins, cytochromes, and ferredoxins

Copper (Cu)

Activator of several oxidases and lignin synthesis

Zinc (Zn)

Activator of enzymes

Manganese (Mn)

Enzyme activator and photosynthetic evolution of oxygen (Hill reaction)

Molybdenum (Mo)

Enzyme component essential for nitrogenase in bacteria for N2-fixation

Boron (B)

Complex with protein