《Table 4 Crop yield and land use coefficients before land remediation, in the acceptance year and in

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《Improvement of Evaluation Methods for Cultivated Land Quality》

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Through the survey in 2017，it was found that the production area in the project areas was basically stable in the past two years，and it could be considered that it had reached the normal level.As shown in Table 4，five years after the completion of the project，the crop yield increased significantly compared with that before land remediation.The project areas are located in Fanpo Township，which has the best cultivated land quality in the southeast of Yuzhou City，the yield per unit area of wheat and maize increased by about1 500 kg/ha compared with that before land remediation.According to the evaluation of cultivated land quality in Henan Province in 2017，the highest yields of wheat and maize were 10 060 and11 020 kg/ha，respectively.Using the calculation formula of land use coefficient in the Regulation，the land use coefficients of wheat and maize after land remediation were calculated.