Change of rhizosphere effect was another important factor of population decline.
根际效应的改变是引起差巴嘎蒿种群衰退的又一重要因素。
The general tendency of microorganism distribution is that the microorganism of rhizosphere soil is more than that of Nonrhizosphere soil, the rhizosphere effect(R/S) is obvious.
微生物分布总的趋势是根际多于非根际，而且根际效应（R／S）明显。
The effect of nitrogen fertilizer on soil enzymatic activity and rhizosphere microorganisms of Yumai 49-198 root system was studied in this paper.
在大田高产栽培条件下，研究了不同施氮水平对豫麦49-198根际微生物和土壤酶活性的影响。
The secretion from the roots of plant which have been verified to benefit for auto-toxic effect have serious effect on microorganism of rhizosphere.
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.
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。
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