土壤类型

Order for effects of these factors on the putridity of cuttings was given.Four composite patterns of lower infective disease rate were obtained.

分析还表明土壤因素对保加利亚玫瑰嫩枝扦插腐响最大，其次是插穗因素和浸穗试剂，并据此提出感率较低的4种组合类型。

The compositions of phyllosilicate and iron oxides for several main types of soils and their corresponding iron-manganese nodules were studied by the means of XRD.

以我国种常见土壤及相应土壤铁锰结为试验材料，应用X-射线衍射，研究了土壤和铁锰结状硅酸盐和氧化铁的类型组合。