对几种蔬菜及其环境重金属的调查

Investigation of Heavy Metals in Several Vegetables and the Local Environment

本文对广州市白云区九佛镇农田各处11米处地下水、5米处地下水、农田灌溉水、土壤、菜心、通心菜、油麦菜的重金属As、Cd、Pb等含量进行调查,计算重金属的富集系数,并调查其产生的原因。调查结果表明,广州市白云区九佛镇的农田土壤和蔬菜及地下水重金属污染是很轻微的,但还要重视防治重金属污染。

This article investigates the heavy metals like As, Cd, Pb and other contents in 11-meter underground water, 5-meter underground water, irrigation water for farmland, soil, Chinese flowering cabbage, Tong Xin vegetables, and Indian lettuce at Jiufo town of Baiyun district in Guangzhou city, calculates the enrichment factors of heavy metals, and investigates its causes. The findings show that the farmland at Jiufo town of Baiyun district in Guangzhou city has a slight degree in contamination of soil, vegetables, and underground water, but still needs to emphasize the prevention and control of heavy metals.