Biological seed treatments (sometimes referred to as microbial inoculants) are increasing in interest as alternatives to synthetic chemicals. Microbe survival at effective levels during the seed treatment process and on-seed during planting remain major technical challenges in practice. More effective strategies for microbe protection during seed treatment and planting are needed to improve consistency of microbe product performance in the field. Soybean protein-based microparticles have been shown to improve stability of probiotic bacteria during delivery to the gut. It is anticipated that soybean protein-based seed coatings can likewise improve delivery of beneficial microbes to the field. Recently, Low Mu Tech patented a soybean protein-based seed coating. The proposed project aims to expand the application of the soybean protein technology to improve biological seed treatment by providing a protective, beneficial environment for microbes on-seed and during planting.