一种简单从土壤中提取可用植物元素的离子交换方法（A simple ion-exchange resin procedure for extracting plant-available elements from soil）

2007/08/30 下载量： 194 次

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A simplified procedure for extracting ions from soil with ion-exchange resins is reported. The resin, placed in nylon-netting bags, were immersed in soil suspensions and shaken. Compared to the conventional procedure, where the resin beads are freely suspended in the soil-water mixture, this bag-procedure allowed quicker separation of resin from the soil suspensions. Furthermore, the severe soil grinding as done in the conventional procedure was eliminated. Phosphate was extracted from 4 Danish soils using both procedures. The bag-procedure resulted in slightly higher values than did the conventional procedure.

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北京博力飞科技发展有限公司

铜牌会员丨第11年

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