三种改良剂对土壤中镉（Cd）的钝化及小白菜品质的影响

doi:10.14088/j.cnki.issn0439-8114.2022.22.007

湖北农业科学 ›› 2022, Vol. 61 ›› Issue (22): 37-41.doi: 10.14088/j.cnki.issn0439-8114.2022.22.007

三种改良剂对土壤中镉（Cd）的钝化及小白菜品质的影响

徐守俊¹, 孙金², 党蕊娟³, 王旭¹, 莫测辉⁴, 吴志超¹, 石含之¹, 李富荣¹, 杜瑞英¹

1.广东省农业科学院农业质量标准与监测技术研究所/农业农村部农产品质量安全风险评估实验室（广州）/广东省农产品质量安全风险评估重点实验室,广州 510640;
2.华中农业大学,武汉 430070;
3.深圳润康生态环境股份有限公司,广东深圳 518102;
4.暨南大学,广州 510632

收稿日期:2021-09-17 出版日期:2022-11-25 发布日期:2023-01-11
通讯作者: 杜瑞英（1977-）,女,山西忻州人,研究员,博士,主要从事农产品质量安全和土壤污染修复研究,（电话）13925036146（电子信箱）duruiying@gdaas.cn。
作者简介:徐守俊（1990-）,男,河南确山人,助理研究员,博士,主要从事受污染耕地安全利用及农产品质量安全研究,（电话）13922392027（电子信箱）xushoujun320@163.com
基金资助:
广东省农业科学院院长基金项目（202025）; 国家重点研发计划项目（2019YFC1605600）

Effects of three amendments on passivation of cadmium（Cd） in soil and quality of Chinese cabbage

XU Shou-jun¹, SUN Jin², DANG Rui-juan³, WANG Xu¹, MO Ce-hui⁴, WU Zhi-chao¹, SHI Han-zhi¹, LI Fu-rong¹, DU Rui-ying¹

1. Institute of Quality Standard and Monitoring Technology for Agro-products/Laboratory of Quality and Safety Risk Assessment for Agro-products, Ministry of Agriculture and Rural Affairs （Guangzhou）/Guangdong Provincial Key Laboratory of Quality and Safety Risk Assessment for Agro-products,Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China;
2. Huazhong Agricultural University, Wuhan 430070, China;
3. Shenzhen Raink Ecology & Environment Co., Ltd., Shenzhen 518102,Guangdong,China;
4. Jinan University, Guangzhou 510632, China

Received:2021-09-17 Online:2022-11-25 Published:2023-01-11

摘要/Abstract

摘要： 以白云石煅烧物、腐植酸、山梨糖醇及尿素等原料按照一定比例配制土壤改良剂,并设置3种改良剂处理（T1.5、T3.0、T4.5）和1个对照（T0）,探究3种改良剂对镉（Cd）的钝化效果以及小白菜品质的影响。结果表明,3种改良剂能显著提高土壤pH并降低土壤有效态Cd含量,土壤pH从T0的5.75提升到T4.5的7.28,土壤有效态Cd含量比T0处理分别降低18.5%、29.7%、30.2%;3种改良剂能促进小白菜生长,与T0处理相比,地上部鲜重分别提高5.5%、7.9%、12.9%,也降低了小白菜地上部Cd含量,分别降低了15.0%、34.5%、36.9%,Cd含量远低于《食品安全国家标准食品中污染物限量》（GB2762—2017）;施用改良剂在一定程度上提高了小白菜地上部的品质,与T0处理相比,T3.0和T4.5处理显著降低了可滴定酸含量,T1.5、T3.0和T4.5处理显著提高了维生素C含量。综合分析表明,3种改良剂对土壤中Cd具有显著的钝化效果,而且保障了小白菜中Cd含量达到安全水平,同时也提高了小白菜的品质。本研究结果为Cd污染土壤治理提供了理论依据。

关键词: 白云石煅烧物, 腐殖酸, 小白菜, 镉（Cd）, 钝化, 品质

Abstract: Soil conditioners were formulated with dolomite calcine, humic acid, sorbitol and urea in certain proportions, and three conditioner treatments （T1.5, T3.0, T4.5） and one control （T0） were set to investigate the effects of the three conditioners on the passivation of cadmium （Cd） and the quality of Chinese cabbage. The results showed that the three amendments significantly increased soil pH and reduced soil effective state Cd content, soil pH increased from 5.75 in T0 to 7.28 in T4.5, and soil effective state Cd content decreased by 18.5%, 29.7% and 30.2%, respectively, compared with T0 treatment; the three amendments promoted the growth of Chinese cabbage, and compared with T0 treatment, above-ground fresh weight increased by 5.5%, 7.9% and 12.9%, respectively. The Cd content in the aboveground parts of Chinese cabbage was reduced, by 15.0%, 34.5% and 36.9%, respectively, with Cd content much lower than the National Standard for Food Safety Limits of Contaminants in Food （GB2762-2017）; the application of improvers improved the quality of aboveground parts of Chinese cabbage to some extent. Compared with the T0 treatment, the T3.0 and T4.5 treatments significantly reduced the titratable acid content, and the T1.5, T3.0 and T4.5 treatments significantly increased the vitamin C content. The comprehensive analysis showed that the three amendments had a significant blunting effect on Cd in the soil, guaranteed a safe level of Cd content in Chinese cabbage, and also improved the quality of Chinese cabbage. The results of this study provide a theoretical basis for the management of Cd-contaminated soils.

Key words: dolomite calcined material, humic acid, Chinese cabbage, cadmium, passivation, quality

中图分类号:

S634.3

徐守俊, 孙金, 党蕊娟, 王旭, 莫测辉, 吴志超, 石含之, 李富荣, 杜瑞英. 三种改良剂对土壤中镉（Cd）的钝化及小白菜品质的影响[J]. 湖北农业科学, 2022, 61(22): 37-41.

XU Shou-jun, SUN Jin, DANG Rui-juan, WANG Xu, MO Ce-hui, WU Zhi-chao, SHI Han-zhi, LI Fu-rong, DU Rui-ying. Effects of three amendments on passivation of cadmium（Cd） in soil and quality of Chinese cabbage[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(22): 37-41.

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三种改良剂对土壤中镉（Cd）的钝化及小白菜品质的影响

Effects of three amendments on passivation of cadmium（Cd） in soil and quality of Chinese cabbage

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