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Manure can be a valuable resource for agriculture, helping recycle nutrients, build soil health, and support crop productivity. With more than 1.4 billion tons generated annually in the U.S., managing manure sustainably is an important and complex challenge—particularly in regions where manure produced exceeds local fertilizer demand. When nutrients from manure are not fully absorbed…

Biosolids, or sewage sludge, are the organic by-products left over from treating wastewater. In the U.S., roughly 51% of biosolids are land applied. Over half of those go onto agricultural fields as a soil amendment and fertilizer because they contain nutrients like nitrogen and phosphorus and micronutrients that can improve soil pH and structure. The…