Abstract：It has positive effect of straw incorporation on preventing the land from soil erosion.Therefore,the concept of Minimum Ecological Straw Returns Amount(MESRA)was put forward,and scenario analysis method was applied to design the MESRA.Then,a bottom up dynamic model was built,which considering per unit area yield,planting structure,straw-grain ratio and MESRA,and the model was used to evaluate the total amount of the straw that can be energy utilized.It finds that:①Bounded by reserve cultivated land resources,the theoretical straw amount is small,respectively is 26.5869 million ton,17.7246 million ton and 8.8623 million ton in high,middle and low per unit area yield scenario in 2050.②When considering the MESRA and food security,the energy utilized straw amount will be 20.664 million ton in high developing scenario,and 107 thousand ton in low developing scenario.Affected by the reserve cultivated land resources,Xinjiang has the most straw resource in China mainland.③The MESRA and per unit area yield have obvious effect on the amount of energy utilized straw.But the total amount can be further improved by building up the provincial reserve cultivated land bio-energy development ecological compensation mechanism
朱开伟,刘贞,李佩滢,贺良萍,林金钗. 基于土壤功能和粮食安全的后备耕地可能源化秸秆生态总量分析[J]. 中国科技论坛, 2017(5): 120-127.
Zhu Kaiwei,Liu Zhen,Li Peiying,He Liangping,Lin Jinchai. Aggregation Evaluation on the Straw Resource for Energy Source in Reserve Cultivated Land by Considering Soil Function and Food Security. , 2017(5): 120-127.
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