[1]LIU Tao,CUI Yongzheng,LI Jixia.Ecological Use Efficiency of Agricultural Water and Its Influencing Factors in China Based on the Perspective of Water Pollution[J].Research of Soil and Water Conservation,2021,28(05):301-307.
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Ecological Use Efficiency of Agricultural Water and Its Influencing Factors in China Based on the Perspective of Water Pollution
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
28
Number of periods:
2021 05
Page number:
301-307
Column:
Public date:
2021-08-20
- Title:
- Ecological Use Efficiency of Agricultural Water and Its Influencing Factors in China Based on the Perspective of Water Pollution
- Keywords:
- agricultural ecological water use efficiency; agricultural water pollution; SBM directional distance function; Tobit regression
- CLC:
- F323
- DOI:
- -
- Abstract:
- Agricultural water pollution poses a massive threat to the sustainable use of agricultural water in China. Study on the efficiency of agricultural ecological water use and its influencing factors is helpful to optimize the allocation of agricultural water resources and promote the sustainable development of agriculture. Based on the SBM directional distance function,the agricultural ecological water use efficiencies and agricultural economic water use efficiencies of 31 provinces in China from 2008 to 2018 were measured,and the inefficiency values of these two efficiencies were divided and compared. On this basis,the influencing factors of agricultural ecological water use efficiency were analyzed by using the Tobit regression model. The results show that:(1)ecological water use inefficiency in agriculture was higher than the economic water use inefficiency in China,and agricultural water pollution was the main source of ecological water use inefficiency in agriculture;(2)the number of provinces with low waste and low pollution in agriculture water had significantly reduced,while the number of provinces with high waste or high pollution had significantly increased;(3)water resources endowment,water storage capacity of water conservancy facilities and education level of rural labor had positive effects on ecological water use efficiencies of agriculture in China,while the planting ratio of water-consuming crops had negative effects on it. The government in China should be fully aware of the problem of water pollution in the process of agricultural water use,and should implement agricultural water saving strategy and water pollution control measures in various regions,improve cross-regional water transfer mechanism,enhance water storage capacity of water conservancy facilities,improve the education level of rural labor force,and optimize the planting ratio of water-consuming crops.
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Last Update:
2021-08-20