重金属Cd－Zn对水稻的复合污染和生态效应

应用生态学报 ›› 1994, Vol. 5 ›› Issue (4): 438-441.

重金属Cd－Zn对水稻的复合污染和生态效应

周启星¹, 吴燕玉², 熊先哲²

1. 浙江农业大学, 杭州 310029;
2. 中国科学院沈阳应用生态研究所, 沈阳 110015

收稿日期:1993-10-06 修回日期:1994-05-30 出版日期:1994-10-24 发布日期:1994-10-24

Compound pollution of Cd and Zn and its ecological effect on rice plant

Zhou Qixing¹, Wu Yanyu², Xiong Xianzhe²

1. Zhejiang Agricultural University, Hangzhou, 310029;
2. Institute of Applied Ecology, Academia Sinica, Shenyang 110015

Received:1993-10-06 Revised:1994-05-30 Online:1994-10-24 Published:1994-10-24

摘要/Abstract

关键词: 半干旱区, 养分释放, 干湿交替, 凋落物分解, 科尔沁沙地

Abstract: The study on compound pollution of Cd and Zn on rice plant shows that their compound pollution is more complicated than single pollution. The interaction of Cd and Zn results in a decrease of Zn uptake and an increase of Cd accumulation in rice plant. The effects of Cd-Zn compound pollution on rice growth, and on accumulation and distribution of Cd or Zn in it are of two different characters. Which depend on the Cd and Zn concentrations and their combinations in soil, and also on their locations in different parts of the plant. It is suggested that the compound pollution of Cd and Zn on rice plant is not an unitary additive or antagonistic effect.

Key words: Cadmium, Zinc, Compound pollution, Ecological effect, semi-arid region, nutrient release, drying-rewetting, litter decomposition, Horqin Sandy Land

周启星, 吴燕玉, 熊先哲. 重金属Cd－Zn对水稻的复合污染和生态效应[J]. 应用生态学报, 1994, 5(4): 438-441.

Zhou Qixing, Wu Yanyu, Xiong Xianzhe. Compound pollution of Cd and Zn and its ecological effect on rice plant[J]. Chinese Journal of Applied Ecology, 1994, 5(4): 438-441.

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