In what form can sulfur be absorbed by plants?

Sulfur is essential for plant growth and development. It is needed for the course and regulation of various metabolic processes. Also, it is part of organic compounds. But sulfur cannot be assimilated by plant organisms in its pure form. Sulfur is assimilated in the form of sulfates. Sulfate fertilizers are very popular among agronomists, as they improve the quality of the crop. But when using such fertilizers, you need to remember the dosages. Too much fertilizer can negatively affect the plants.