·2,447,543篇论文数据，部分数据来源于NoteExpress
However, the disease incidence and the velocity of tumor development in clay soil were highest when occurrence of crown gall was in stable phase.
发病进入稳定阶段之后，与其它土壤类型相比，粘土中的发病率略高，冠瘿瘤体积大。
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