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
对保加利亚玫瑰嫩枝扦插腐烂病影响最大，其次是插穗
浸穗试剂，并据此提出感病率较低的4种组合类型。
Order for effects of these factors on the putridity of cuttings was given.Four composite patterns of lower infective disease rate were obtained.
分析还表明土壤对保加利亚玫瑰嫩枝扦插腐烂病影响最大，其次是插穗浸穗试剂，并据此提出感病率较低的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核为试验材料，应用X-
线
，
究了土壤铁锰结核中层状硅酸盐氧化铁的类型组合。
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