The temporal and spatial differences and convergence of maize eco-efficiency

doi:10.14088/j.cnki.issn0439-8114.2024.03.026

Abstract

Abstract: Maize eco-efficiency of the main producing provinces （cities and autonomous regions） from 2004 to 2018 was calculated by the EBM-Super-Malmquist index method, the temporal evolution and spatial distribution characteristics of maize eco-efficiency were analyzed, and the convergence of maize eco-efficiency was tested by the convergence method. The results showed that, maize eco-efficiency showed a fluctuating downward trend, and there were obvious characteristics of imbalance between regions. There were no σ convergence and absolute β convergence in maize eco-efficiency across the country and the four major regions, and regional differences would not be unconditionally narrowed. There were significant condition β convergence for maize eco-efficiency across the country and the four major regions. Disaster rate, financial support and human capital were important factors that affected β convergence of maize eco-efficiency condition.

Key words: maize, eco-efficiency, EBM-Super-Malmquist index, temporal and spatial differences, convergence

CLC Number:

F307.11

LI Qian-nan, YE Feng. The temporal and spatial differences and convergence of maize eco-efficiency[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(3): 171-176.

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