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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。
- Abstrac t: The activities of four kinds of soil enzymes in turfs in different growth years was studied. 摘要: 通过对不同生长年限草坪土壤中4种土壤酶活性的分析,研究了草坪年限与土壤酶活性的关系。
- Keywords salt-alkali stress;halophytes;rhizosphere;saline-alkali soil;nutrition composition of soil;activity of soil enzyme; 盐碱胁迫;盐生植物;根际微环境;盐渍化土壤;土壤营养成分;土壤酶活性;
- Activity of soil enzyme 土壤酶活性
- The amount of soil microbes and activity of enzyme in rhizosphere and non-rhizosphere of bio-salver were determined by dilution and colorimetry. 结果表明:土壤微生物和酶在植物根际有着明显的根际效应,各级托盘中微生物在根际的数量均大于相应微生物在非根际的数量;
- The results showed the enzyme activity of Phosphate as an index to evaluate the fertility of soil in Langfang cucumis hothouse. 结果表明:磷酸酶可以用来表征黄瓜大棚土壤的肥力状况。
- 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。
- 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。
- Effects of different plantations on the activity of soil enzymes and their kinetic characteristics in subtropical zone 亚热带不同人工林对土壤酶活性及其动力学特征的影响
- Ecological distributing of soil microorganisms and activity of Soil enzymes in vineyard green covering 生草葡萄园土壤微生物分布及土壤酶活性研究
- Soil enzyme and microbe play key roles in the cycle of mass and energy fluxes of soil ecosystem. 摘要土壤酶和微生物在土壤生态系统的物质循环和能量流动方面都扮演着十分重要的角色。
- The relationship between total amount of soil enzyme runoff and slope gradient was exponential following this prediction model MC=atb. 土壤酶流失总量与坡度呈指数变化关系,符合MC=atb预测模型;
- 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。
- The species of soil hydrolase,the sensitivity of different enzyme indices and the change mechanism of soil enzyme should be noticed in future studies. 今后在森林土壤酶的研究中,应重视水解酶的种类、酶指标的敏感性以及酶变化机理的探索。
- Effects of Applying Rapeseeds Cake in Different Soil on Activity of Soil Enzymes, Agriculture Characteristics of Tobacco Plants and Quality of Tobacco Leaf 烟田施用菜子饼肥对土壤酶活性及烟叶质量的影响
- 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。
- There are some clods of soil on the mat. 垫子上有些土块。
- 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。
- This kind of soil contains much alkali. 这种土壤含碱丰富。