Question

What are the various essential elements assimilated by normal plants for their healthy growth? In what form they are absorbed from the soil? Mention the role of any four of these elements in plant growth.

Answer 1

Various essential elements assimilated by normal plants for their healthy growth are major elements are macro-elements-C, H, O, N, S, P, K, Mg, Ca, Fe and the trace elements or micro-elements-B, Zn, Cu, Mn, Mo. The essential elements are absorbed in the form of ions or in gaseous form through root, stem, and leaves

Nitrogen is an important element of protein and a consi­derable part of protoplasm. Sulfur is present in proteins and protoplasm. Phosphorous is present in nucleo-proteins and has a direct influence on cell division and growth. Potassium is important for the formation of healthy vegetative organs and maturation of fruits and seeds. Magnesium is present in chlorophyll and has an influence on the formation of proteins