云南省姚安坝区1:5万土地质量地球化学评价及开发建议

doi:10.11720/wtyht.2025.2584

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摘要

土地是农业生产最基本的资源,解决好土地质量问题就是解决好粮食质量问题。全面掌握土地质量现状对科学合理利用、开发土地资源有重要指导意义。本文以云南省姚安县栋川镇连片农耕区为研究区,开展1:5万土地质量地球化学调查,对土壤养分、环境、大气干湿沉降物、农业灌溉水进行综合评价,根据评价结果划定绿色食品、无公害农产品产地,为绿色耕地开发利用提供参考依据。研究结果表明,研究区土壤养分丰富,环境优良,灌溉水水质优良,大气环境质量良好,土壤质量与土地质量综合等级评价结果一致,以一等、二等优良土壤为主,占研究区总面积的68.98%;划定出一批无公害食品产地、绿色食品产地,圈定出一批可直接用于开发绿色富锌、富铜食品的产地。此成果可为研究区土地利用规划、粮食安全、打造高原特色农产品、服务乡村振兴等重大工作提供地球化学数据支撑。

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	杨明龙
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	程琰勋
	赵萌生
	张龙

关键词 ：土地质量, 地球化学评价, 绿色耕地, 开发建议, 姚安, 云南

Abstract：

Land emerges as the most fundamental resource for agricultural production, and addressing land quality-related issues is the key to ensuring high food quality. A comprehensive understanding of land quality is crucial to the scientific and sustainable utilization and development of land resources. This study conducted a 1:50,000 geochemical survey of land quality in the contiguous farmland in Dongchuan Town, Yao'an County, Yunnan Province. Accordingly, this study provided a comprehensive assessment of soil nutrients, environment, dry and wet atmospheric deposits, and agricultural irrigation water. Based on the assessment results, this study determined the production areas of green food and pollution-free agricultural products, aiming to provide a reference for the development and utilization of sustainable, green cultivated land. The results indicate that soils in the study area are nutrient-rich and enjoy a favorable environment, high-quality irrigation water, and an excellent atmospheric environment. The comprehensive grade assessment results of soil quality align with those of land quality, revealing that the first and second-grade high-quality soils account for 68.98% of the total area. A batch of production areas of pollution-free and green food were determined, and those that can be directly used to develop green, zinc- and copper-rich crops were delineated. These findings will provide geochemical data support for land use planning, food security, building agricultural products with plateau characteristics, and serving rural revitalization efforts.

Key words： land quality geochemical assessment green cultivated land development suggestion Yao'an Yunnan

收稿日期: 2023-12-27 修回日期: 2024-06-30 出版日期: 2025-04-20

ZTFLH:	X142
	X825

基金资助:中国地质调查局项目“滇中大姚、姚安、南华、双柏四县土地质量地球化学调查”(DD20211577)

通讯作者: 黄加忠(1986-),男,高级工程师,主要从事土壤环境地球化学工作。Email:496473164@qq.com

作者简介: 杨明龙(1988-),男,工程师,主要从事勘查地球化学、环境地球化学工作。Email:351008671@qq.com

引用本文:

杨明龙, 黄加忠, 朱志平, 徐磊, 程琰勋, 赵萌生, 张龙. 云南省姚安坝区1:5万土地质量地球化学评价及开发建议[J]. 物探与化探, 2025, 49(2): 510-519.
YANG Ming-Long, HUANG Jia-Zhong, ZHU Zhi-Ping, XU Lei, CHENG Yan-Xun, ZHAO Meng-Sheng, ZHANG Long. 1:50,000 geochemical survey-based assessment of land quality and land development suggestions for the Yao'an Dam area, Yunnan Province, China. Geophysical and Geochemical Exploration, 2025, 49(2): 510-519.

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https://www.wutanyuhuatan.com/CN/10.11720/wtyht.2025.2584 或 https://www.wutanyuhuatan.com/CN/Y2025/V49/I2/510

Fig.1 研究区交通位置

Fig.2 研究区地质

Fig.3 研究区土壤采样点分布

Table 1 土壤地球化学指标分析方法

Table 2 土壤养分质量等级评价结果统计

Fig.4 主要养分元素分布规律

Fig.5 土壤养分综合质量等级评价

Table 3 土壤环境质量等级评价结果统计

Fig.6 土壤环境综合质量等级评价

Fig.7 土壤质量综合质量等级评价

Fig.8 无公害食品产地评价

Fig.9 绿色食品产地评价

Fig.10 绿色富锌、富铜食品产地分布

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