• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Soil & Sediment Contamination >Copper Bioavailability to Beans (Phaseolus vulgaris) in Long-Term Cu-Contaminated Soils, Uncontaminated Soils, and Recently Cu-Spiked Soils
【24h】

Copper Bioavailability to Beans (Phaseolus vulgaris) in Long-Term Cu-Contaminated Soils, Uncontaminated Soils, and Recently Cu-Spiked Soils

机译：在长期被铜污染的土壤，未污染的土壤和最近掺有铜的土壤中，菜豆（菜豆）的铜生物利用度

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Copper solubility and its bioavailability to Phaseolus vulgaris in long-term copper-contaminated soils, uncontaminated soils, and copper-spiked soils were studied. The role of plant factors, total copper load in soils, and/or the aging effect on the uptake of copper was explored so as to assess health risks through contamination of the food chain associated with growing the crop on such soils. Contaminated soils and clean soils were collected from coffee-growing fields in Kilimanjaro and Arusha, Tanzania. Two bean seeds were sown per pot, replicated three times, and arranged in a randomized design in a glass house. Copper spiking significantly increased extractable copper, as expected. For all of the treatments except for the Mwanga and Arumeru control soils, the addition of CuSO4 did not significantly increase the humic-acid-bound copper, but it significantly increased the fulvic-acid-bound copper (p = 0.05). Moshi soils had significantly higher concentrations of copper in the bean shoots than was the case with other treatments (p = 0.05). For the respective soil types, there was no significant difference in the concentrations of copper in bean leaves between spiked and unspiked treatments (p = 0.05). Bean shoots did not accumulate copper beyond the normal concentrations.
机译：研究了铜的溶解度及其对菜豆在长期铜污染的土壤，未污染的土壤和掺铜的土壤中的生物利用度。研究了植物因素，土壤中总铜负荷和/或老化对铜吸收的影响，以便通过污染与在这种土壤上种植作物相关的食物链来评估健康风险。从坦桑尼亚的乞力马扎罗山和阿鲁沙的咖啡种植田收集了被污染的土壤和干净的土壤。每个盆中播种两粒豆种子，重复三遍，并以随机设计安排在温室中。如预期的那样，铜尖刺显着增加了可提取铜的含量。对于除Mwanga和Arumeru对照土壤以外的所有处理方法，添加CuSO4均不会显着增加与腐殖酸结合的铜，但会显着增加与腐殖酸结合的铜（p = 0.05）。与其他处理相比，Moshi土壤的豆芽中铜浓度明显更高（p = 0.05）。对于各种土壤类型，加标和未加标处理之间豆叶中铜的浓度均无显着差异（p = 0.05）。豆芽没有积累超出正常浓度的铜。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号