Order for effects of these factors on the putridity of cuttings was given.Four composite patterns of lower infective disease rate were obtained.
析还表明土壤因素对保加利亚玫瑰嫩枝扦插腐烂病影响最大，其次是插穗因素和浸穗试剂，并据此提出感病率较低的4种组合
型。
Order for effects of these factors on the putridity of cuttings was given.Four composite patterns of lower infective disease rate were obtained.
析还表明土壤因素对保加利亚玫瑰嫩枝扦插腐烂病影响最大，其次是插穗因素和浸穗试剂，并据此提出感病率较低的4种组合型。
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核为试验材料，应用X-射线衍射，研究了土壤和铁锰结核中层状硅酸盐和氧化铁的型组合。
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