摘要
采用室内盆栽试验研究生活污水灌溉对大白菜体内金属元素和土壤重金属元素的含量与积累的影响。结果表明,生活污水灌溉在不同土壤上的产量效应有很大差异,小粉土上的产量效应明显高于青紫泥。因此,生活污水农用要因土而异。生活污水灌溉对大白菜金属营养元素和重金属元素的吸收、土壤重金属全量和有效态含量的影响,与清水灌溉相比差异甚微,短时间盆栽试验结果表明,用于农业灌溉是安全的。
Pot experiment was conducted in greenhouse of Zhejiang University to evaluate the effect of sewage irrigation on the absorption and accumulation of metallic elements in Chinese cabbage and soils. The results showed that the effect of irrigation on yield and metallic element contents in Chinese cabbage greatly depended on soil types, suggesting that the soil types should be considered in utilization of sewage. This short-term experiment also indicated that sewage irrigation did not show a significant influence on heavy metal concentration both in Chinese cabbage and in soils.
出处
《浙江农业学报》
CSCD
2003年第5期297-301,共5页
Acta Agriculturae Zhejiangensis
关键词
污水
灌溉
大白菜
金属元素
sewage
irrigation
Chinese cabbage
metallic elements
