| 重金属在小麦作物体中残留特征的田间试验研究 |
| |
| 引用本文： | 冯绍元,邵洪波,黄冠华.重金属在小麦作物体中残留特征的田间试验研究[J].农业工程学报,2002,18(4):113-115. |
| |
| 作者姓名： | 冯绍元 邵洪波 黄冠华 |
| |
| 作者单位： | 中国农业大学 |
| |
| 基金项目： | 国家重点基础研究发展规划项目“首都北京及周边地区大气、水、土环境污染机理与调控原理”(G19990457) |
| |
| 摘 要： | 研究表明经污水灌溉后重金属铅、砷和镉在小麦植物体中的残留量因部位不同而有差异,但清水和污水灌溉对其总体残留特征无明显影响。其总的分布趋势是小麦根部的重金属累积量最大，其次是小麦的茎叶部，再其次是小麦的穗部，即小麦植株体内重金属积累量由大到小依次为根＞茎叶＞穗。因此认为根可作为一种屏障使重金属铅、砷和镉难于向上部迁移，使地上部分免受其害。
|
| 关 键 词： | 冬小麦 污水灌溉 重金属残留量 |
| 文章编号： | 1002-6819(2002)04-0113-03 |
| 收稿时间： | 2002/4/22 0:00:00 |
| 修稿时间： | 2002年4月22日 |
Field Experimental Study on the Residue of Heavy Metal in Wheat Crop |
| |
| Feng Shaoyuan,Shao Hongbo and Huang Guanhua.Field Experimental Study on the Residue of Heavy Metal in Wheat Crop[J].Transactions of the Chinese Society of Agricultural Engineering,2002,18(4):113-115. |
| |
| Authors: | Feng Shaoyuan Shao Hongbo and Huang Guanhua |
| |
| Abstract: | The residual quantity of heavy metal such as Lead, Arsenic and Cadmium, varies greatly with different parts of the crop, which is highest in root, middle in stalk and leaves, and lowest in spike. The residue of heavy metal in wheat crop is not affected by sewage irrigation or fresh water irrigation. So it is considered that root which acts as a sort of barrier retards the upwards transport of heavy metal such as Lead, Arsenic and Cadmium, and protects the above ground parts of the crop from toxication. Heavy metal concentration in the spike of wheat crop meets the National Food Sanitation Standard. |
| |
| Keywords: | winter wheat crop sewage irrigation residual quantity of heavy metal |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《农业工程学报》浏览原始摘要信息 |
| 点击此处可从《农业工程学报》下载免费的PDF全文 |
