"Liquid manure is a mixture of animal waste and organic matter used as an agricultural fertilizer, sometimes thinned with water. It can be aged in a slurry pit to concentrate it.
Liquid manure was developed in the 20th-century as an alternative to fermented manure. Manure in both forms is used as a nutrient-enriched fertilizer for plants, containing high levels of nitrogen, phosphorus, and potassium present in farm animals´ excretions and originating from the food they consume." - (en.wikipedia.org 25.01.2022)
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