P. mucilaginosus is an important species in the genus Paenibacillus. It is commonly known as silicate bacteria because it can decompose potassium-containing minerals composed of silicates and aluminosilicates and release potassium ions. The silicate bacteria currently mentioned also include Paenibacillus edaphicus and Bacillus circulans.
Studies have found that P. mucilaginosus can also activate phosphorus and other nutrients, and produce organic acids, amino acids, hormones and other substances through its own metabolism to promote plant growth, improve plant nutrition and growth conditions, and produce extracellular polysaccharides, which have the effect of enhancing plant nonspecific immunity. Some strains also have the function of nitrogen fixation. At the same time, this strain can grow and reproduce under different environmental conditions by producing a large amount of capsules and extracellular polysaccharides. Its multifunctionality and strong stress resistance make it the preferred strain of microbial fertilizer in recent years.
According to statistics, microbial fertilizers made from this strain have been used in many regions and on many crops, and have shown multiple effects in agricultural production, such as increasing the content of available potassium and available phosphorus in the soil, promoting crop growth, and increasing crop yield and quality. It is one of the key points and hotspots in the research and development of microbial fertilizers. In addition, it also has broad applications in the fields of mining, metallurgy, and feed industry.
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