Nutrient Release: Silicate bacteria decompose minerals such as potassium feldspar and apatite, releasing soluble potassium, phosphorus, and trace elements, thereby enhancing soil fertility.
Secondary Metabolites: Some strains secrete plant hormones like indole-3-acetic acid (IAA) and gibberellins to stimulate root development, while others produce antimicrobial substances that inhibit soil-borne pathogens.
Soil Improvement: Long-term application may improve soil structure and strengthen its water and nutrient retention capacity.
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