Plant Nutrients, Essential and Beneficial elements:
There are seventeen 17 essential elements required for plant growth
C, H, O, N, P, K,Ca, Mg, S, Fe, Mn, Zn, Cu, B, Mo, Cl, Ni,
Beneficial Nutrients/Elements
➢ Beneficial elements are the mineral elements that stimulate the growth and exhibit
beneficial effects at very low concentration, or which are essential only for certain plant
species or under specific conditions are called as “beneficial elements”.
Example - Na, Vas, Co, SiNutrient classification based on the role of element in plant system- (According to Truog, 1954)
- Structural Elements: C, H, O
- Accessory structural elements: N, P, S
- Regulator & Carriers: K, Ca, Mg
- Catalyst & Activators: Fe, Mn, Zn, Cu, Mo, Cl, B
Based on chemical nature
Metals – Mg, Fe, Mn, Zn, Cu, K, Ca
Non-metals – C, H, O, N, P, S, Cl
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