-
The element absorbed both in cation and anion form is
-
- Sulphur
- Nitrogen
- Calcium
- Phosphorus
- Sulphur
Correct Option: B
Nitrogen, required in large quantities for healthy plant growth, is supplied either as a cation (ammonium - NH4+) or an anion (nitrate - NO3–). The ratio of these two forms of nitrogen in the nutrient solution can have large effects on both the rate and direction of pH changes with time.
