土壤中镉铜复合污染对水稻生长效应影响

Abstract

Abstract: Effect of heavy metal mixture pollution on rice growth is studied through pot experiment. Solutions for extracting available copper and cadmium are also explored. The results indicate that 2. 5% HAc can be used as available copper and cadmium extracting agent in acid paddy soil. Less than 5 mg/kg cadmium in soil will not have any effect on rice yield, however, cadmium concentration in the rice will exceed China National Adminissible Standard foi Food.

Key words: heavy metal mixture pollution, critical copper concentration, rice, cadmium rice, extracting agent

XU Zhuo. Effect of heavy metal mixture pollution on Rice Growth[J]. Journal of Ecology and Rural Environment, 1993, 9(3): 48-50,64.

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Effect of heavy metal mixture pollution on Rice Growth

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