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- All the indexes of the second generation in the soil microorganism quantity, biomass, biochemistry activity and the change of soil enzyme activity of P. massoniana under the same condition are higher than those of the first generation. 结果表明，二代马尾松林土壤微生物数量、微生物生物量碳强度、呼吸作用强度、硝化作用强度、蔗糖酶以及过氧化氢酶活性均高于一代马尾松林。
- Abstract : The soil nutrient, soil microorganisms and soil enzyme activities of soil under five different stands in Alar were studied. 摘要 ： 对塔里木河上游果林地和胡杨林地土壤养分、微生物数量和酶的活性变化进行了研究。
- Soil enzyme activity effected by Hg. 汞对土壤酶活性的影响。
- Studies on the Relationships between the Soil Enzyme Activity and Nutritional Element Contents of Eucalyptus Plantation Lands 桉树人工林地土壤酶活性与营养元素含量关系研究
- The results showed the soil enzymatic activities decreased significantly with increase of contamination of heavy metals, especially dehydrogenase and urease activities. 结果表明，污染区土壤酶活性随著重金属污染程度的加剧而显著降低，其中脱氢酶和脲酶活性下降最明显。
- The quantities distribution of rhizosphere microorganisms were positively correlated with the soil enzymic activities, contents of organic matter and soil nutrients. 微生物的数量分布与土壤酶活性、有机质含量、土壤养分状况等强弱呈正相关关系。
- the soil enzyme activity 土壤酶活性
- Dynamics of aquic brown soil enzyme activities under no-tillage. 潮棕壤免耕农田土壤酶活性的动态变化
- The results indicated that soil enzyme activity significantly correlated with soil chemical property and soil microbial quantity,except for the ca. 研究表明,随着填埋深度的加深,土壤理化性质,微生物数量和土壤酶活性有很大不同。
- The soil nutrient, microorganism and enzyme activity are studied and analyzed in Pinus sylvestris var. mongolica plantations in Zhanggutai area. 摘要对章古台不同林龄樟子松人工林土壤养分、微生物及酶活性进行了测定和分析，结果表明：各林地的土壤养分、微生物和酶活性均表现出差异。
- The results showed that: soil microbe number and soil enzyme activity of intercropped capsicum rhizosphere and non-rhizosphere zones is higher than that of the monoculture capsicum. 结果表明：套作栽培的线辣椒根际、非根际土壤微生物数量、酶活性均高于单作栽培。
- STUDY ON THE RELATIONSHIP BETWEEN THE SOIL PHYSICAL-CHEMICAL PROPERTIES AND SOIL ENZYMATIC ACTIVITY OF PLASTIC GREENHOUSE 蔬菜大棚土壤理化性状与土壤酶活性关系的研究
- Effect of a new pesticide, acetamiprid, on biological activity in upland soil was studied through analysis of soil enzyme activities and soil respiration. 摘要通过对土壤呼吸强度和土壤酶活性的测定，研究了新型杀虫剂啶虫脒对旱地土壤生物活性的影响。
- A second more modern strategy to CRN involves use of soil enzyme inhibitors as a means of reducing large one-time releases of soluble nitrogen to the soil solution. 另一种比控释氮肥（CRN）更先进的方法是用土壤酶抑制剂来降低可溶性氮肥一次性大量释放到土壤溶液中。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Effects of fertilization treatments on soil enzyme activities, seedling growth and stachydrine contents of Leonurus japonicus Houtt. 施肥对益母草生长、土壤酶活性及水苏碱含量的影响。
- Fertilization could also increase soil enzyme activities, and soil urease and phosphatase activities could be used as the indicators of soil fertility. 施肥还可增加土壤酶活性，其中，土壤脲酶和磷酸酶活性可以作为衡量土壤肥力水平的指标。
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- The overall differences of soil enzyme activities were significant, of which the proteinase and urease were the most significant. 土壤酶活性总体差异显著，其中差异明显的是蛋白酶和脲酶。
- Water has permeated (through) the soil. 水已渗遍那片土壤。
