NABARD GR A AGRICULTURE ARD STUDY MATERIAL:Essential and Beneficial elements
NABARD GR A AGRICULTURE ARD STUDY MATERIAL 🔷🔷🔷🔷🔷🔷🔷🔷🔷🔷🔷 🔻 Essential and Beneficial elements: ♨️A) Essential elements - Which involved in plant metabolic functions - Plant cannot complete its life cycle without them i.e essential element”. - There are seventeen essential elements required for plant growth. C, H, O, N, P, K, Ca, Mg, S, Fe, Mn, Zn, Cu, B, Mo, Cl, Ni. ♨️Classification of Essential Elements Based on the amount required by the plant: i) Primary or major nutrients: -Required relatively in large quantities by the plants for its growth and development. -Ex: N, P, K. ii) Secondary nutrients: -Required in moderate amounts - given secondary importance in its supply and management. Ex: Ca, Mg , S. Micronutrients: -Utilized by plants relatively in smaller quantities for their growth and development but these are equally important & essential to ...