Summary

Dairy farmers sometimes use additives in their cattle housing to reduce emissions from slurry. Emissions of substances such as ammonia occur when urine and feces mix on the floor of the housing. At the same time, dairy farmers want to increase the fertilizing value of the manure when it is applied to agricultural land. De Boer investigated whether the product Kopros B could fulfill both functions by testing whether the treatment changes certain properties of the manure.

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