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采用贝尔曼漏斗分离法和浮力离心分离法，对盆栽植物的土壤和介质土中的线虫进行分离，比较两种方法对不同栽培土中的线虫的分离效果
The Belleman funnel separation method and the buoyancy centrifugal separation method were used to separate the nematodes from the potted soil and the medium soil. The isolation effects of the two methods on nematodes in different cultivated soils were compared