And re-understand the recycling economy concepts of biogas reuse or power generation, and the application of biogas slurry and residue to fertilizer in the field.
And the recycling economy idea of biogas reuse or power generation, biogas liquid biogas residue application and fertilizer application in the field is also re recognized.<br>
And re-understand the concept of biogas reuse or power generation, biogas biogas irrigation and fertilizer in the field of the circular economy concept.