Yang, G.Q. and Liu, T.J. (2013) Research on the Evaluation of Production Efficiency in China Maize Zone after Entering WTO—Based on the Panel Data from 15 Provinces. Guangdong Agricultural Sciences, No. 3, 217-221.
 Liu, N., Li, X.Y. and Huang, M.L. (2017) Spatiotemporal Analysis of the Use Efficiency of Maize Production Factors in China: An Empirical Study Based on DEA Model. Jiangsu Agricultural Sciences, 45, 348-352.
 Zhang, L.N., Chen, Z., Yang, M.L., et al. (2018) Spatio-Temporal Feature of Maize Production Efficiency in Main Producing Provinces of China. Transactions of the Chinese Society for Agricultural Machinery, 49, 183-193.
 Wang, Z.D., Sun, Z.X., Zhang, G.S., et al. (2017) Decomposition and Optimization of Total Factor Productivity of Maize in Liaoning Province—A Case Study of Xinmin, Shenyang City, Liaoning Province. Jiangsu Agricultural Sciences, 45, 306-309.
 Jiang, Y.B. and Li, S. (2016) Study on the Production Efficiency and the Moderate-Scale Management of Agricultural Machinery Cooperatives in Major Grain Producing Areas: A Case of Corn Production in Heilongjiang Province. Research of Agricultural Modernization, 37, 902-909.
 Chen, S.Q. and Zhang, G.S. (2014) An Empirical Study on the Technical Efficiency of Different Types of Labor Transfer Farmers’ Corn Production—A Case Study of Liaoning Province. Jiangsu Agricultural Sciences, 42, 416-419.
 Jiang, D.W., Zhong, F.L. and Guo, A.J. (2017) Field Corn Production Efficiency in Oasis Field—A Case Study of Households in Zhangye District. Journal of Arid Land Resources and Environment, 31, 167-171.
 Liu, X.Y., Chen, L.C., Zhao, Q.M., et al. (2012) Light and Heat Utilization Efficiency of Winter Wheat and Summer Maize in Northern Region of Henan Province. Journal of Henan Agricultural Sciences, No. 4, 29-33.
 Charnes, A., Cooper, W.W. and Rhodes, E. (1978) Measuring the Efficiency of Decision Making Units. European Journal of Operational Research, No. 2, 429-444.
 Wu, P. and Tan, Q. (2012) Allocation Efficiency of Farmland Water Conservancy Facilities and Regional Difference in China’s Grain Major Production Areas—Empirical Research Based on DEA Method and Malmquist Index. Research of Agricultural Modernization, 33, 331-335.