【摘要】 立柱式盆钵水培蔬菜极易滋生绿藻,本试验采用不同浓度的CuSO4溶液控制绿藻的生成和减少绿藻的发生取得了初步成效。试验结果表明,可在大棚生产空闲时期用0.5%CuSO4溶液杀死绿藻,但CuSO4溶液不能作为生产用水以免对蔬菜产生药害。更多还原

【Abstract】 Pond scum grows easily in columned basin in nutrient solution culture.The pond scum could be prevented and decreased by different concentration of CuSO 4 solution.we suggest that0.5%CuSO 4 solution be used to kill pond scum in leisure harvest in order to rapidly kill pond scum,but CuSO 4 solu-tion should not be used in growing vegetable.更多还原