Proxima Toger-90 is the fourth major plant nutrient available in liquid form. The other three essential plant nutrients are potassium, phosphorus and nitrogen. This plant nutrient when applied to plants promote several functions, such as chlorophyll formation, protein production, improve crop yield, oil synthesis in oil seeds, etc. If the plants and soil become deficient of sulphur, the leaves of plant will turn yellow. People must apply Liquid Sulfur so that the crop grown in that soil must get benefit. However, plants get sulfur from atmosphere but not in the necessary amounts.