Energy Utilization Potential of Wheat Straw in an Ecological Balance—A Case Study of Henan Province in China

Lyu Zhichen and Zhu Xuantong
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Lyu Zhichen: Department of Quantitative and Technical Economics, Graduate School of Chinese Academy of Social Sciences, Beijing 102488, China
Zhu Xuantong: Department of Quantitative and Technical Economics, Graduate School of Chinese Academy of Social Sciences, Beijing 102488, China

Resources, 2019, vol. 8, issue 1, 1-13

Abstract: Minimum volume of straw should be retained in collecting wheat straw in order to obtain sustainable agricultural biomass energy and measure the energy utilization potential of wheat straw when considering ecological balance. Based on relevant literature, this paper calculates the minimum, medium, and maximum volume of wheat straw retention in various types of soil and designs three different scenarios of minimum, medium, and maximum wheat straw retention. Taking Henan province in China as a case, this paper calculates the potential of wheat straw for energy utilization using linear regression method and scenario analysis, with consideration of influencing factors such as the harvest coefficient and combustion ratio of wheat straw. The results show that the energy utilization potential of wheat straw in Henan province in 2020, 2030, 2050 are 13.77, 16.48, 22.54 million tons of coal equivalent (TCEs), respectively, in the minimum retention scenario, assuming that wheat straw is not directly used for combustion. Excessive straw left in the field causes resource waste and produces CH 4 and other greenhouse gases. This paper finds that energy potential of wheat straw for energy utilization is limited when ecological balance is considered, however, it is beneficial to the sustainable development of crop biomass energy.

Keywords: biomass energy; wheat straw retention; ecological balance; China (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2019
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