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Research Spotlight - How is manure changing over time? Trends in Midwest manure sample data

By Nancy Bohl Bormann, UMN Graduate research assistant; Melissa Wilson, Extension manure management specialist; and Erin Cortus, Extension engineer

Why do we care about manure? Manure is an organic fertilizer that contains essential plant nutrients. However, it can be a variable product, making it a challenge to match plant nutrient needs to the amount of nutrients in the manure. Like commercial fertilizers, we also need to be aware of the risk of losing nitrogen (N) and phosphorus (P) and affecting water quality.

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