Macro and micronutrients and their role
- Macronutrients are C, H, O, N, K, S, Ca, Fe, Mg, P, which must be supplied in the concentration of 1-10 μgL-1/10m mol Kg-1 of dry matter
- Micronutrients are Cu, Zn, Mn, B, Cl, Mo, Ni, which must be supplied in the concentration of 0.1 to 1.0 μgL-1/ 10m mol Kg-1 of dry matter
- The nutrient which satisfies a specific nutrient requirement of specific plants is called beneficial nutrient.
- C; H; O; N – Biomolecules
- Mg; P – Energy
- Mg; Zn – Enzymes
- K – Osmotic potential; stomatal movement
- Na – Halophytes
- Si – Grasses
- Co – Leguminous plants
- Se – Astragalus
- Ca, K – Antagonistic role
- Cofactors – Mg, Fe, Ca, Zn, Cu, K, Mn, Mo
- Nitrogen (NO3−): Role in Proteins, Nucleic acids, Vitamins and Plant hormones.
Part-1: View this video for the topic from 0:10 to 5:53
Part-2: View this video for the topic from 0:07 to 12:34
Part-3: View this video for the topic from 0:07 to 13:45
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