6 天之前 · Given that ca ttle and sheep manure is rich in nitrogen, phosphorus, potassium, and organic matter and other nutrients, its conversion into or- ganic fertilizer has become one of the best ways to deal with this type of waste [15,16].
2021/10/19/ · Methane-specific production was in the range of 196 and 467 mL CH4/g vs. (sheep manure system and co-digestion, respectively). Based on the experimental