The effect on fresh alfalfa using Cu2 + protecting-green were not good.

铜离子单因素对紫花苜蓿的护绿效果均不好。

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The solution of Cu2+ and citrate could generate ·OH under mercury light.

铜离子与柠檬酸钠溶液混合在光照下能产生氢氧自由基；

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All of these are closely related to the charge character and condition of Cu2 + adsorption-desorption of soils.

这反映了C记离子在两类土壤固液两相间的分配比例不同，并与土壤的表面电荷特征、吸附解吸条件有关。

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