线虫数量
During growing season, chemical fertilizer increased plant nematode population.
整个生长季,化肥使植物线虫种群数量增加;
70 d later, root galling and final nematode population reduced by 51.4%, 49.4%, and 66.3% respectively.
接种70d后,根结数量约下降51.4%,土壤和根中的线虫数量分别下降了49.4%和66.3%。
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