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Chinese Agricultural Science Bulletin ›› 2026, Vol. 42 ›› Issue (20): 64-70.doi: 10.11924/j.issn.1000-6850.casb2026-0374

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Automated Method for Cultivated Land Quality Grade Evaluation Based on ArcPy and Excel Configuration Files

LIU Ting(), DENG Nanrong, HUA Demei, DENG Jiarong   

  1. National-regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China/ Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management/Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650
  • Received:2026-05-11 Revised:2026-08-18 Online:2026-10-25 Published:2026-10-26

Abstract:

Cultivated land quality grade evaluation serves as an effective means of guiding cultivated land quality management, ensuring national food security, and promoting sustainable agricultural development. Traditional evaluation approaches rely heavily on manual operations, resulting in low efficiency. To address these issues, an automated evaluation method was developed in this study. Based on the national standard Cultivated Land Quality Grade (GB/T 33469—2016), an automated script was developed using ArcPy and encapsulated as an ArcToolbox tool. Evaluation rules were decoupled from program code through an Excel configuration file. An empirical study was conducted using 15986 cultivated land patches in Xinfeng County, Guangdong Province, of year 2022. The results indicated that the tool completed the evaluation calculations for all patches within 20 seconds, with an accuracy rate of 100%. The processing efficiency was significantly improved compared to conventional manual methods. The proposed approach automates and standardizes the cultivated land quality grade evaluation process through the decoupling of rule configuration from program code. This method provided technical support for county-scale batch processing and could be extended to other regions using the same national standard.

Key words: cultivated land quality grade evaluation, ArcPy, Excel rule configuration, automation, Xinfeng County

CLC Number: