基于农用地分等修正的土地整治项目耕地质量评价
提高耕地质量是土地整治的核心任务之一。在现有国土资源调查评价成果的基础上，快速有效地在项目尺度上对整治后的耕地质量进行评价，是当前土地整治研究与实践的迫切要求。该文从分析土地整治项目对耕地质量的影响入手，甄别敏感因素及稳定因素，在农用地分等基础上，补充自然质量和生产条件修正因素，建立相应的评价体系，并以海南省陵水县典型土地整治项目进行实证分析。研究结果表明：修正后的项目区综合自然等别由4．7提升至4．2，综合利用等别由4.3提升至3．2，修正后利用等指数与基准作物实际产量的相关系数为0．86，高于修正前的0．82，说明所构建的评价体系能有效反映土地整治项目对耕地质量的影响，分析结果满足实践中耕...
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| Published in | 农业工程学报 Vol. 31; no. 7; pp. 247 - 255 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
南京大学地理与海洋科学学院,南京,210023%陵水黎族自治县国土环境资源局,陵水,572400
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2015.07.035 |
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| Abstract | 提高耕地质量是土地整治的核心任务之一。在现有国土资源调查评价成果的基础上，快速有效地在项目尺度上对整治后的耕地质量进行评价，是当前土地整治研究与实践的迫切要求。该文从分析土地整治项目对耕地质量的影响入手，甄别敏感因素及稳定因素，在农用地分等基础上，补充自然质量和生产条件修正因素，建立相应的评价体系，并以海南省陵水县典型土地整治项目进行实证分析。研究结果表明：修正后的项目区综合自然等别由4．7提升至4．2，综合利用等别由4.3提升至3．2，修正后利用等指数与基准作物实际产量的相关系数为0．86，高于修正前的0．82，说明所构建的评价体系能有效反映土地整治项目对耕地质量的影响，分析结果满足实践中耕地质量的变化评价的需要。该研究可为项目尺度土地整治耕地质量评价提供参考和借鉴。 |
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| AbstractList | 提高耕地质量是土地整治的核心任务之一。在现有国土资源调查评价成果的基础上，快速有效地在项目尺度上对整治后的耕地质量进行评价，是当前土地整治研究与实践的迫切要求。该文从分析土地整治项目对耕地质量的影响入手，甄别敏感因素及稳定因素，在农用地分等基础上，补充自然质量和生产条件修正因素，建立相应的评价体系，并以海南省陵水县典型土地整治项目进行实证分析。研究结果表明：修正后的项目区综合自然等别由4．7提升至4．2，综合利用等别由4.3提升至3．2，修正后利用等指数与基准作物实际产量的相关系数为0．86，高于修正前的0．82，说明所构建的评价体系能有效反映土地整治项目对耕地质量的影响，分析结果满足实践中耕地质量的变化评价的需要。该研究可为项目尺度土地整治耕地质量评价提供参考和借鉴。 F301.21; 提高耕地质量是土地整治的核心任务之一。在现有国土资源调查评价成果的基础上，快速有效地在项目尺度上对整治后的耕地质量进行评价，是当前土地整治研究与实践的迫切要求。该文从分析土地整治项目对耕地质量的影响入手，甄别敏感因素及稳定因素，在农用地分等基础上，补充自然质量和生产条件修正因素，建立相应的评价体系，并以海南省陵水县典型土地整治项目进行实证分析。研究结果表明：修正后的项目区综合自然等别由4.7提升至4.2，综合利用等别由4.3提升至3.2，修正后利用等指数与基准作物实际产量的相关系数为0.86，高于修正前的0.82，说明所构建的评价体系能有效反映土地整治项目对耕地质量的影响，分析结果满足实践中耕地质量的变化评价的需要。该研究可为项目尺度土地整治耕地质量评价提供参考和借鉴。 |
| Abstract_FL | To improve the quality of cultivated land was one of the core tasks of land consolidation. But for a long time, increasing the number of arable land was the only goal, and therefore it was an urgent requirement to effectively and quickly evaluate the consolidated farmland’s quality for the research and practice on the basis of ready data. To stabilize the amount of arable land, improve the quality of arable land and ensure food security were the main objectives and focuses of the agricultural land consolidation in China currently. Monitoring the changes in number and quality of arable land was objective requirement to guarantee the orderly development of the system. Agricultural land classification (ALC) fully ascertained the distribution of Chinese farmland quality level and established a unified national database of cultivated land quality grades. The Ministry of Land and Resources (MLR) deployed the dynamically updated work of cultivated land quality grade change in 2012, which provided solid foundation for the scientific management of land quality. But ALC mainly characterized the quality of farmland at macro level, and the application of the results faced some restrictions on the scale of the project. Therefore, the evaluation system of classification needed to be corrected. Land consolidation included four projects: land leveling project, irrigation and drainage project, field road project, farmland protection and eco-environment maintaining project. This paper analyzed the impact of these four projects to the farmland quality, distinguished the sensitive factors and stable factors, supplied the modified factors for natural quality and production condition through comparing with the ALC. Combined the factors of natural quality and ALC, the corresponding weights were set by AHP(analytic hierarchy process) and Delphi, the natural quality evaluation system was constituted based on project scale, and natural quality score was recalculated. Light and temperature potential, yield ratio coefficient, utilization coefficient and economic coefficient were regarded as constant values. The natural quality index was recalculated, and the natural grade of arable land on project scale was classified. Follow the idea of revising coefficient, compare the scores of the production factors before and after the consolidation, calculate the correction coefficients of utilization and redraw the utilization grades. Because land consolidation projects did not directly affect agricultural production technology and management level of arable land, this study did not involve economic correction. Finally, combined with field survey data in the study area, the correlation between the obtained results and the actual output was analysed, and the validity of this evaluation results was verified. Taking Lingshui county, Hainan province as an example, this article analyzed typical land consolidation project. The research results demonstrated that the comprehensive nature grade increased from 4.7 to 4.2, the comprehensive utilizable grade increased from 4.3 to 3.2 and the correlation coefficient between consolidated utilizable grade index and actual output of benchmark crops was 0.86, which was higher than the one before the revision 0.82, indicating that the constructed cultivated land quality evaluation system can effectively reflect the land consolidation’s impact on the farmland quality and the analysis results meet the need of objectively evaluating the change of farmland quality. This study can provide the reference for cultivated land quality evaluation. |
| Author | 徐康 金晓斌 吴定国 周寅康 |
| AuthorAffiliation | 南京大学地理与海洋科学学院,南京210023 陵水黎族自治县国土环境资源局,陵水572400 |
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| Author_FL | Zhou Yinkang Xu Kang Jin Xiaobin Wu Dingguo |
| Author_FL_xml | – sequence: 1 fullname: Xu Kang – sequence: 2 fullname: Jin Xiaobin – sequence: 3 fullname: Wu Dingguo – sequence: 4 fullname: Zhou Yinkang |
| Author_xml | – sequence: 1 fullname: 徐康 金晓斌 吴定国 周寅康 |
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| Keywords | 耕地质量评价 land use projects 农用地 grading cultivated land quality evaluation 项目 分等 整治 土地利用 consolidation agricultural land |
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| Notes | To improve the quality of cultivated land was one of the core tasks of land consolidation. But for a long time, increasing the number of arable land was the only goal, and therefore it was an urgent requirement to effectively and quickly evaluate the consolidated farmland＇s quality for the research and practice on the basis of ready data. To stabilize the amount of arable land, improve the quality of arable land and ensure food security were the main objectives and focuses of the agricultural land consolidation in China currently. Monitoring the changes in number and quality of arable land was objective requirement to guarantee the orderly development of the system. Agricultural land classification （ALC） fully ascertained the distribution of Chinese farmland quality level and established a unified national database of cultivated land quality grades. The Ministry of Land and Resources （MLR） deployed the dynamically updated work of cultivated land quality grade change in 2012, which provided solid foundation fo |
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| PublicationYear | 2015 |
| Publisher | 南京大学地理与海洋科学学院,南京,210023%陵水黎族自治县国土环境资源局,陵水,572400 |
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| Snippet | 提高耕地质量是土地整治的核心任务之一。在现有国土资源调查评价成果的基础上，快速有效地在项目尺度上对整治后的耕地质量进行评价，是当前土地整治研究与实践的迫切要求。... F301.21; 提高耕地质量是土地整治的核心任务之一。在现有国土资源调查评价成果的基础上，快速有效地在项目尺度上对整治后的耕地质量进行评价，是当前土地整治研究与实践的... |
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| SubjectTerms | 农用地 分等 土地利用 整治 耕地质量评价 项目 |
| Title | 基于农用地分等修正的土地整治项目耕地质量评价 |
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