RETRACTED: Environment-Friendly Behavior of New Agricultural Business Main Body Based on the Internet of Things

Table 1

Composition of biogas residue and biogas slurry.

Ingredients	Organic matter (%)	Humic acid (%)	Total nitrogen (%)	Total phosphorus (%)	Total potassium (%)
Manure	31–51	9–24	0.9–1.6	0.3–0.5	0.7–1.30