In Germany liquid manure is usually spread on fields or grasslands without pretreatment. The nitrogen it releases has a negative environmental impact. (IMAGE)

Karlsruher Institut für Technologie (KIT)

In Germany liquid manure is usually spread on fields or grasslands without pretreatment. The nitrogen it releases has a negative environmental impact.

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In Germany liquid manure is usually spread on fields or grasslands without pretreatment. The nitrogen it releases has a negative environmental impact. (Photo: Markus Breig, KIT)

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Markus Breig,KIT

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