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flag Iowa farmer Bryan Sievers boosts soil health and crop yields using a digester to turn waste into fertilizer, reducing emissions and waste.

flag Farmer Bryan Sievers of Stockton, Iowa, has led a 12-year sustainable soil improvement project using an anaerobic digester that converts organic waste into nutrient-rich digestate, enhancing soil health, reducing waste and greenhouse gas emissions, and improving crop yields. flag Research from Iowa State University supports the approach, highlighting measurable gains in soil fertility, structure, and water retention. flag His work offers a scalable model for environmentally responsible farming.

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