Experimental Study of Pollution by Heavy Metals of Plastic Film in Soil-Soybean System

YU Li-hong; WANG Peng; YU Li-he; CUI Li

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Experimental Study of Pollution by Heavy Metals of Plastic Film in Soil-Soybean System

- Experimental Study of Pollution by Heavy Metals of Plastic Film in Soil-Soybean System
- Bulletin of Soiland Water Conservation Vol. 32, Issue 3, Pages: 86-90(2013)
- 作者机构：
  
  1. 黑龙江八一农垦大学农学院,黑龙江,大庆,163319
  2. 大庆油田创业集团,黑龙江,大庆,163412
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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YU Li-hong, WANG Peng, YU Li-he, et al. Experimental Study of Pollution by Heavy Metals of Plastic Film in Soil-Soybean System[J]. Bulletin of Soiland Water Conservation, 2013, 32(3): 86-90.
DOI：

YU Li-hong, WANG Peng, YU Li-he, et al. Experimental Study of Pollution by Heavy Metals of Plastic Film in Soil-Soybean System[J]. Bulletin of Soiland Water Conservation, 2013, 32(3): 86-90. DOI：

摘要

采用盆栽和田间试验方法

研究了大豆各生育时期

不同地膜残留量处理土壤和植株中Pb和Cd的含量。结果表明

大豆各生育时期

高倍地膜残留量土壤和植株中Pb和Cd含量高于低倍残留量;各生育时期各处理土壤中Pb含量为49～188mg/kg

差异达显著水平;Cd含量为0.7～2.4mg/kg。植株中Pb含量为0.022～0.097mg/kg

Cd含量为0.001～0.003mg/kg。与国家《土壤环境质量标准》GB15618—1995的Ⅱ级标准进行比较分析

土壤中Pb含量均未超标

Cd含量值均超标;与国家《食品中污染物限量》GB2762—2005标准比较分析

籽粒中Pb

Cd含量均未超过豆类食品限量标准

且Cd含量远远低于该标准。

Abstract

Pot and filed experiments were conducted to study the Pb and Cd contents in soil and plants during soybean growth periods under the treatments of different residual amounts of mulching plastic film.Results showed that during soybean growth periods

the Pb and Cd contents in soil and the plants for high residual mulching film samples were higher than those for low.The Pb contents in soil were 49～188mg/kg;the Cd contents in soil

0.7～2.4mg/kg;the Pb contents in plants

0.022～0.097mg/kg;and the Cd contents in plants

0.001～0.0032mg/kg.By the secondary limit of China Environmental Quality Standards for Soils(GB15618-1995)

the Pd content in soil was less than the limit and the Cd content in soil was higher than the limit.By the China Maximum Levels of Contaminants in Foods(GB2762-2005)

the Pd and Cd contents in seeds were less than the level and the Cd content in seeds was much less than the level.

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