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以基于食用菌生产的北方庭院生态系统为研究对象，通过对沈阳南郊一典型农户庭院生态系统的能量分析与养分平衡研究表明，该庭院生态系统的产品总输出能为４１８７２１４ＭＪ／ａ，其中平菇产品的生物能占６５４％；输入输出系统的Ｎ、Ｐ２Ｏ５及Ｋ２Ｏ基本上保持着养分平衡；该庭院生态系统是一个生产力高、综合效益可观的系统，对指导该地区农村庭院生态系统建设具有重要的现实意义。
Taking the northern courtyard ecosystem based on edible fungi as the research object, the energy analysis and nutrient balance of a typical farmer ’s courtyard ecosystem in the southern suburb of Shenyang showed that the total output of the garden ecosystem was 41872.14 MJ / a, of which Bio-energy of the mushroom products accounted for 65.4%; N, P2O5 and K2O of the input-output system basically maintained the nutrient balance; the courtyard ecosystem was a system with high productivity and considerable comprehensive benefits, which guided the eco- System construction has important practical significance.