连栽杉木中毒的原因一直认为是土壤酚类物质积累的结果。
The toxicosis of Chinese fir planting repeated in the same site has been thought to be the result of phenol accumulation in soil.
以底物异丁香酚为唯一碳源从土壤中筛选获得了一株能高效转化异丁香酚生成香草醛的芽孢杆菌。
Using isoeugenol as the sole carbon source, a novel strain, producing high amounts of vanillin from isoeugenol, was isolated from soil.
随退化程度的加大，土壤蔗糖酶、脲酶、多酚氧化酶活性均降低。
With the increase of the greasing intensity, the activity of soil sucrose, unease and polyphone oxidize all decrease.
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