soil fertilizer

Phosphorus Star is a soil-building fertilizer that can improve soil chemistry.
In addition to "Linstar 30," which contains 30% soluble phosphoric acid and 8% bitter soil, there is "BM Linstar," which contains manganese and boron.
Kaykalin" is a new type of soil fertilizer that combines "Phosphorus Star" with potassium silicate.
This product is sold in certain areas.