Magnesium fulfils many functions within the plant. The element is crucial for the activity of many enzymes. These play a role in photosynthesis, the energy supply, and the formation of the cell organs that produce proteins. Its most visual role is that played in chlorophyll. Without magnesium a plant would not be green.
Chlorophyll is the green ‘colouring’ that plants use to capture light energy. Plants convert this energy into chemical energy and use it for photosynthesis, the process by which the plant converts CO2 and water into sugars and oxygen.
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