缺磷胁迫下根际分泌物对不同形态的磷的活化能力有明显差异。

Root exudates could mobilize sparingly soluble P , but its effect depend on the forms of sparingly soluble P.

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利用改进根箱法对玉米和花生根际生物进行了原位采样和观察。 采用载玻片贴片方法直接采集到作物根系分泌物中的生物，并用荧光显微镜进行观察。

The organisms from crop root exudates were collected directly by putting slide onto root surface and observed the organisms on the slide and root surface by fluorescence microscope.

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植物根系分泌物中的酚酸已被鉴定出对植物产生自毒作用，并对根际微生物有重要影响。

The secretion from the roots of plant which have been verified to benefit for auto-toxic effect have serious effect on microorganism of rhizosphere.

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