Chlorine

A micronutrient, which is represented by the chemical symbol Cl. It typically forms the highest percentage of the micro-nutrients within a turfgrass leaf, especially within a vacuole, with a typical dry matter mid-range concentration being around 0.01%.

Chlorine is involved with ensuring a plant is adequately turgid, is involved water regulation via stomatal opening and closing, as well as root uptake via osmosis, and helps to balance internal solute pH. It is also involved in the light-dependent stage of photosynthesis (PSII, Photosystem II).

A lack of the element contributes to the wilting of a plant and to a reduction in leaf size, with young leaves curling and dying back. It is unlikely to be deficient in soils due to a typical adequate supply in rainwater.