天然云冷杉林的微生物总量大于次生云冷杉林；
The microorganism number under the natural spruce fir forest was bigger than the secondary.
蒙古栎林各月微生物总量大于樟子松林各月微生物总量。
And the monthly total amount microorganism was more in the oak stand than that of in the pine stand.
豆科作物毛苕子在一定程度上降低了土壤盐分含量，但土壤微生物总量有所减少。
The crop green manure of villose vetch could reduce the content of salty in the degree, but the sum of microbe in the soil reduced a little.
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