Anhui Agricultural Science Bulletin >
2026 , Vol. 32 >Issue 2: 114 - 118
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2026.02.028
Review on resource utilization of anaerobic biogas slurry from agricultural wastes
Received date: 2024-12-27
Online published: 2026-01-22
This paper summarized the current research status and key focus areas of biogas slurry resource utilization and proposed targeted countermeasures on this basis. Biogas slurry can be used as fertilizer, seed soaking solution, culture medium, and breeding feed to improve the yield and quality of crops, livestock, and fish. However, there remain several aspects to be improved in the current resource utilization of biogas slurry: the technologies and economic feasibility associated with its high-efficiency treatment and high-value-added utilization are not yet mature; its composition and output are greatly affected by the supply and type of raw materials, and there exist temporal and spatial differences between its continuous production and agricultural demand; biogas slurry may contain heavy metal contamination such as copper, zinc and iron; and insufficient market demand is caused by its low nutrient content and inconvenience in application. To solve the above problems, this paper proposed the following strategies: adopting physical, chemical, and other technical means, establishing monitoring systems, and optimizing resource allocation to improve the quality of biogas slurry; exploring new applications of biogas slurry in crop cultivation, forestry, aquaculture, and other fields to expand its application scope; prioritizing the selection of raw materials with low heavy metal content and strictly controlling the application rate of biogas slurry to strengthen basic detection; strengthening the promotion and support for projects of biogas slurry resource utilization technology, as well as organizing training courses and on-site observation meetings to strengthen support, publicity, and guidance, and this paper ultimately provides a reference for the efficient utilization of biogas slurry.
Key words: agricultural waste; biogas slurry; resource utilization; breeding feed
Jiang Meng . Review on resource utilization of anaerobic biogas slurry from agricultural wastes[J]. Anhui Agricultural Science Bulletin, 2026 , 32(2) : 114 -118 . DOI: 10.16377/j.cnki.issn1007-7731.2026.02.028
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