- Using this topcoat from a salt pan was accidentally discovered by a pupil when he used it to grow cabbage in his class assignment and his cabbage grew better and faster than those of other students.
- A systematic review of the topcoat was done through several research studies. The results in the laboratory showed that the topcoat had 1.3% of phosphorus, 2% of potassium and several other things useful for plants.
- Several action research projects have confirmed that fruits that use the topcoat have a sweeter taste.
- Recently, salt pan’s topcoat is accepted and ordered by many other agriculturists from many other provinces.