【摘要】 紫茎泽兰和水葫芦均属有害杂草 ,大规模防治的有效方法还未找到 ,本文分析研究了采自昆明郊区的紫茎泽兰和滇池水域的水葫芦中微量元素的含量 ,为进一步开发利用这两种杂草提供科学依据。更多还原

【Abstract】 Eupatorium adenophorum Spreng and Eichhornia crassipes (Mart)Solms laob are poisonous weeds.At present there is not an effective method to control them.The content of trace elements in the poisonous weeds was analysed and it provides a scientific basis for further development.更多还原