Depthprofile distribution of Cs and its toxicity for canola plants grown on arid rainfed soils as affected by increasing K-inputs
文献类型：期刊论文
| 作者 | ElShazly, Amal A. A.1,2; Abbas, Mohamed H. H.2; Farid, Ihab M.2; Rizk, Magdy1; Abdelhafez, Ahmed A.4; Abbas, Hassan H.2; Soliman, Soliman M.1; Sabour, Mamdouh F. Abdel1; Mohamed, Ibrahim2,3 |
| 刊名 | ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
 |
| 出版日期 | 2019-11-15 |
| 卷号 | 183页码:10 |
| 关键词 | Cesium (Cs) Transfer factor Discrimination factor K-fertilizers Canola plants |
| ISSN号 | 0147-6513 |
| DOI | 10.1016/j.ecoenv.2019.109529 |
| 英文摘要 | Radioactive cesium (Cs) is more likely to be trans-located via rainfall into surrounding environments. Upon Cs contaminated water reaching soil, Cs is retained on soil components, mainly organic matter and clay fraction. This study aims are i) comparing the relative ability of five arid soils, differing in their textural and chemical properties, to accumulate Cs when subjected to Cs-artificially contaminated rain droplets and ii) testing whether K fertilizer can decrease the uptake of Cs and its translocation within plants or not. A lab experiment was then conducted to simulate artificial rain droplets contaminated with 1000 becquerel (Bq) of Cs-134 L-1 precipitated on soil columns each of 10.5 cm inner diameter at a rate of 1.15 mL cm(-2) over a period of 2-months. At least 89% of Cs-134 accumulated within the uppermost 5-cm layer of these soils. Another greenhouse experiment was set to test the hypothesis which indicates that Cs uptake increases unexpectedly by supplying plants with K fertilizers. In this experiment, canola (Brassica napus L.) seeds were cultivated into three K-deficient soils (Typic Haplotorrent, Typic Haplocalcid, and Typic Torripsamment) which were contaminated with 100 mg Cs kg(-1) soil (stable-Cs was used instead of radioactive-Cs to designate its behavior on the long run). Canola plants were fertilized with 0, 80 and 120 mg K2SO4 kg(-1) soil. Results carried on Typic Haplotorrent soil confirmed the aforementioned assumption as K-addition increased Cd-uptake up to 40.1%. Contradictory results were achieved in the other two soils where Cs-uptake decreased by 21.5 and 15.3% in Typic Haplocalcid and Typic Torripsamment soils, respectively due to the application of the aforementioned dose of K. In the K non-amended soils, Cs shoot root translocation factor was > 1; yet, it was < 1 in response to K addition, regardless of its application rate. |
| 资助项目 | Faculty of Agriculture (Benha University)-Egypt ; Faculty of Agriculture (The New Valley University)-Egypt ; Nuclear Research Center, Egyptian Atomic Energy Authority EAEA, Inshas, Egypt ; Nuclear Research Center, Egyptian Atomic Research Authority EAEA, Inshas, Egypt |
| WOS研究方向 | Environmental Sciences & Ecology ; Toxicology |
| 语种 | 英语 |
| WOS记录号 | WOS:000487178000058 |
| 出版者 | ACADEMIC PRESS INC ELSEVIER SCIENCE |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/8436]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Abbas, Mohamed H. H.; Mohamed, Ibrahim |
| 作者单位 | 1.Egyptian Atom Energy Author, Nucl Res Ctr, Inshas, Egypt 2.Benha Univ, Fac Agr, Soils & Water Dept, Banha, Egypt 3.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Aquat Bot & Watershed Ecol, Wuhan 430074, Hubei, Peoples R China 4.New Valley Univ, Fac Agr, Soils & Water Dept, Kharga Oasis, Egypt |
| 推荐引用方式 GB/T 7714 | ElShazly, Amal A. A.,Abbas, Mohamed H. H.,Farid, Ihab M.,et al. Depthprofile distribution of Cs and its toxicity for canola plants grown on arid rainfed soils as affected by increasing K-inputs[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,183:10. |
| APA | ElShazly, Amal A. A..,Abbas, Mohamed H. H..,Farid, Ihab M..,Rizk, Magdy.,Abdelhafez, Ahmed A..,...&Mohamed, Ibrahim.(2019).Depthprofile distribution of Cs and its toxicity for canola plants grown on arid rainfed soils as affected by increasing K-inputs.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,183,10. |
| MLA | ElShazly, Amal A. A.,et al."Depthprofile distribution of Cs and its toxicity for canola plants grown on arid rainfed soils as affected by increasing K-inputs".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 183(2019):10. |
入库方式： OAI收割
来源：武汉植物园
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