Biogas system is the pivot in material recycling and energy transformation of a complex agro-ecosystem.
沼气发酵系统是复合农业生态系统中物质循环和能量转化的枢纽。
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Under the intrude of the wastewater and particle power and mine gangue, the soil was suffered different level contamination, which did harm to agro-ecosystem and man health.
Plant net primary production (NPP) of agriculture vegetation represents the capacity of sequestrating atmospheric CO2 in agro-ecosystem, and plays an important role in terrestrial carbon cycling.