Sound Agriculture Targets High-Ammonium Corn Acres With INFLECT Biological

Sound Agriculture is expanding its crop biologicals portfolio with INFLECT, a seed-applied microbial product designed specifically for corn acres receiving anhydrous ammonia or heavy manure. The product is commercially positioned for the 2027 growing season at $12 per acre.

INFLECT combines two bacterial strains, Bacillus simplex and Bacillus subtilis, with the endophytic fungus Coniochaeta nivea. Sound says the strains were selected for their ability to tolerate high-stress fertility conditions and colonize the root zone from planting.

The commercial proposition is targeted rather than universal. Anhydrous ammonia can temporarily disrupt microbial communities around the application band, while nitrogen in manure may remain in organic forms that mineralize later than peak crop demand.

Sound reports an average yield increase of 6 bushels per acre and positive yield results at 92% of 12 trial locations in Illinois, Kansas and Missouri during 2025. These are company-reported trial results, not a guarantee of field performance.

Agriculture.com reported individual trial results ranging from a 1.1-bushel loss to a 14.9-bushel gain. That variation matters because biological products operate within complex soil, weather, fertility and management conditions.

INFLECT is applied as a powder on seed. Sound says growers can use a dry application approach up to 45 days before planting, while its CLIPS seed-box system allows earlier application. The company is initially focusing the product on corn.

The launch shows how biological-input companies are becoming more specific about where their products are intended to work. Instead of presenting a generic microbial treatment for all acres, Sound is defining INFLECT around a particular fertility practice and agronomic problem.

For commercial growers, the next question is whether that targeted positioning translates into repeatable economic performance across more seasons, soil types and management systems. The 2025 results provide an early commercial data point, but broader independent field evidence will be important as adoption expands.

Sources: Sound Agriculture INFLECT product information; Agriculture.com, September 15, 2026; American Ag Network, September 21, 2026.