CSL powder helps promote the natural growth of plants with nitrogen, phosphorous and potassium. It contains micronutrients such as iron, sulfur and manganese, as well as amino acids and trace elements, which are completely non-toxic, harmless and pollution-free. It can also improve the structure and fertility of the soil, promote the activities of microorganisms and soil organisms, and the decomposition of nutrients in the soil in an effective and economical way.