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。
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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