The control of canker of citrus could be made in summer and autumn by spraying tree branches with copper ammonium WC,resulting in 85 92% and 90 45% of the diseased branches geing cured respectively.
药效试验表明，铜铵合剂对柑橘溃疡病有明显的防治效果，对锦橙夏秋梢溃疡病的防治效果分别达８５。
And I remove Cu through copper-ammonia solution.
本文以废弃电子线路板为原料，在用ICP法和原子吸收法对线路板中的二十多种金属元素，分析测定的基础上，针对该线路板中铜的含量超过90％，采用铜铵溶液浸取铜的方法，再用蒸氨实验回收铜的工艺，从而实现去处铜的目的。