| 吕本春,王应学,杨伟,王伟,陈检锋,尹梅,陈华,王志远,付利波,杨志新.豆科绿肥作物对云南碱性土壤镉砷有效性的影响及其对镉砷富集能力[J].农业环境科学学报,2022,41(10):2212-2222. |
| 豆科绿肥作物对云南碱性土壤镉砷有效性的影响及其对镉砷富集能力 |
| Effects of leguminous green manure crops on cadmium and arsenic availability and enrichment in alkaline soils in Yunnan, China |
| 投稿时间：2022-03-23 修订日期：2022-05-31 |
| DOI：10.11654/jaes.2022-0273 |
| 中文关键词: 豆科 绿肥作物 镉 砷 有效性 富集系数 |
| 英文关键词: legume green manure crop cadmium arsenic availability bioconcentration factor |
| 基金项目:国家绿肥产业技术体系昆明综合试验站项目(CARS-22-Z-14);国家重点研发计划项目(2021YFD1700205);昆明市农业农村局基金项目"种植制度优化与生物综合调控技术模式攻关研究 |
| 作者 | 单位 | E-mail | | 吕本春 | 云南省农业科学院农业环境资源研究所, 昆明 650205
云南农业大学资源与环境学院, 昆明 650201 | | | 王应学 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | | | 杨伟 | 昆明市农产品质量安全中心, 昆明 650118 | | | 王伟 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | | | 陈检锋 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | | | 尹梅 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | | | 陈华 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | | | 王志远 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | | | 付利波 | 云南省农业科学院农业环境资源研究所, 昆明 650205 | 1198276883@qq.com | | 杨志新 | 云南农业大学资源与环境学院, 昆明 650201 | 1213594226@qq.com |
|
| 摘要点击次数: 714 |
| 全文下载次数: 748 |
| 中文摘要: |
| 为研究在镉（Cd）、砷（As）复合污染的碱性土壤中，种植不同豆科绿肥作物对土壤Cd、As有效性的影响及其对Cd、As的富集能力，采用大田试验，种植箭筈豌豆（箭筈豌豆、西牧333、陇箭1号）、光叶苕子（东川光苕、宣威光苕、云苕8号、东川苕子）、毛叶苕子（蒙苕1号、鲁苕1号）、其他绿肥（褐皮山黧豆、绛三叶）等11种冬季豆科绿肥作物，并以冬闲为对照，于豆科绿肥盛花期及同期测定土壤理化性状，Cd、As有效性，绿肥作物地上部Cd、As含量和富集系数。结果表明：与冬闲相比，种植西牧333的土壤全氮、有效磷含量分别增加91.67%、36.60%，鲜草产量最高，为31 016 kg·hm-2，土壤有效态Cd、有效态As无显著变化，对Cd、As富集能力较低，富集系数为0.096和0.038。种植褐皮山黧豆的土壤全氮增加98.61%，土壤有效磷降低31.07%，鲜草产量较低，为10 339 kg·hm-2，土壤有效态Cd无显著变化，土壤有效态As降低32.82%，对Cd、As富集能力较高，富集系数为0.136和0.071。相关性分析表明，土壤全氮与土壤有效态Cd呈极显著正相关、与有效态As呈极显著负相关，土壤有效磷与土壤有效态As呈极显著正相关，碳氮比与鲜草产量呈极显著负相关，与地上部分Cd、As含量呈极显著正相关。在所有豆科绿肥作物中，种植碳氮比较低的西牧333对Cd、As有效性无显著影响，对Cd、As富集能力较低，种植碳氮比较高的褐皮山黧豆对Cd有效性无显著影响，但可显著降低土壤As有效性，对Cd、As富集能力较高。 |
| 英文摘要: |
| This study was conducted to evaluate the impact of different legume green manure crops on the cadmium-arsenic（Cd-As） availability and enrichment in Cd and As（Cd-As） co-contaminated soils, to provide a theoretical basis for the safe production of subsequent crops. A field experiment was used to carry out this investigation. The experiment consisted of twelve treatments, and include eleven types of winter legume green manure crops： smooth vetch（smooth vetch, Ximu 333, and Longjian 1） , common vetch（Dongshan, Xuanwei, Yunshao 8, and Dongchuan common vetch） , hairy vetch（Mengshao 1, and Lushao 1） , other green manure（Lathyrus sativus, and crimson clover） , and winter fallow as the control. Soil and plant samples were collected during the full bloom stage and at the same stage as the green manures. The soil physico-chemical properties, Cd and As availability, and the shoot Cd and As content of the green manures were measured, and the bioconcentration and translocation factors of green manures were calculated. The results showed that compared with the winter fallow, the contents of total nitrogen and available phosphorus in the soil planted with Ximu 333 increased by 91.67% and 36.60%, respectively. The fresh grass yield was the highest at 31 016 kg·hm-2. There was no significant change in the available soil Cd and As, and the ability of the plant to enrich the soil Cd and As was lower（0.096 and 0.038, respectively） . Planting Lathyrus sativus increased the total soil nitrogen by 98.61%, decreased the available soil phosphorus by 31.07%, and the yield of fresh grass was the lowest at 10 339 kg·hm-2. There was no significant change in soil available Cd; however, soil available As decreased by 32.82%, and the ability of the plant to enrich the soil Cd and As was higher（0.136 and 0.071, respectively） . Correlation analysis showed that the total soil nitrogen was significant positively correlated with the available soil Cd, and a significant negative correlation with available As, Additionally, the available soil phosphorus had a very significant positive correlation with available soil As, C/N had a very significant negative correlation with fresh grass yield, and a very significant positive correlation with the shoot Cd and As contents. Planting lower C/N Ximu 333 had no significant effect on the Cd and As availability, but had a lower Cd and As enrichment capacity. Planting higher C/N Lathyrus sativus has no significant effect on Cd availability, but can significantly reduce soil As availability, and has a higher Cd and As enrichment capacity. |
| HTML
查看全文
查看/发表评论 下载PDF阅读器 |
|
|
|
