Manganese is a metallic element with an atomic mass of 54.94; it occurs not only as the cation Mn2+ but also as an anion, e.g., MnO4–, making it amphoteric in nature. A characteristic feature of manganese is its ease of changing its oxidation state (it can be 2-, 3-, 4-, 6-, or 7-valent), with its compounds exhibiting a high redox potential. Its stimulating effect…

Introduction: Phosphorus plays an extremely important role in the life of all living organisms, due to its role in numerous biochemical processes. Alongside the most important plant nutrients, carbon, nitrogen, and potassium, phosphorus is one of the elements for which plants have particularly high nutritional requirements. Phosphorus fulfills important and irreplaceable…