摘要
通过盆栽试验研究了吉林省砂壤冲积型水稻土中Cu ,Ni,Pb,As复合污染对水稻生长效应的影响。结果表明 :As对水稻的毒害作用最大。对产量而言 ,4种元素之间表现为协同作用 ,均使水稻减产 ,毒性顺序为 :As Cu >Pb >Ni。各元素在水稻各器官中的含量 ,Cu表现为 :根 茎≈糙米 ;Ni,As,Pb则表现为 :根 茎叶 >糙米。经过一个生长期 ,4种元素在水稻体内的迁移能力总体为 :As>Cu>Ni>Pb。
Pot experiments were conducted to study pollution effects of the complex elements of copper, nickel, lead and arsenic on the growth of rice in loamy paddy soil. The results showed that arsenic is the most toxic of the four to rice. The four elements have a synergic effect on rice growth, which leads to the decrease of rice yield. Toxicity order of the four is as follows: AsCu > Pb > Ni. The accumulation of Cu in different parts of rice is root stem ≈rice seed;after a growth period, the ability to transfer of the four elements is As>Cu>Ni>Pb.
出处
《吉林农业大学学报》
CAS
CSCD
北大核心
2002年第4期80-82,94,共4页
Journal of Jilin Agricultural University
基金
吉林省科委资助项目
