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- CPMI is well related to soil nutrient factors and is sensitive to agricultural measures, which indicates that it is practical to assess soil C pools under different management practices using CPMI. 库管理指数与土壤养分因子量相关或极相关关系,反映了农业生产措施对土壤C库的影响,可运用其评估土壤C库的变化。
- Soil C pool 碳循环
- It is concluded that CPMI is a sensitive and practical index to reflect the impacts of agricultural measures on soil fertility and the dynamics of C pool variation. CPMI可灵敏地反映农业生产措施对土壤肥力、土壤碳库动态变化的影响。
- Effct of fenilizahon on achve C (CA), microbial biomass C(CMB), mineralizable C(CM) and C pool management index (CPMI) in different soils were examined. 分析了施肥对土壤活性碳(CA)、微生物生物量碳(CMB)、矿化碳(CM)及碳库管理指数(CPMI)的影响。
- The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM. 土壤中的氮素主要以有机氮的形式存在于土壤有机质中,土壤碳氮比与有机质含量显著相关。
- The soil C:N is between 7 and 25, which is lower relative to the appropriate C:N of 25-30. The soil C:N increased with the increase of the elevation, but its vertical distribution in the soil profile varied with different vegetation types. 土壤碳氮比介于7~25之间,相对较低,利于土壤腐殖质化和有机氮矿化。 碳氮比随海拔升高而升高,在土壤剖面中的分布随植被类型不同而有所差异。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- Water has permeated (through) the soil. 水已渗遍那片土壤。
- There are some clods of soil on the mat. 垫子上有些土块。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- 3. Effct of fenilizahon on achve C (CA), microbial biomass C(CMB), mineralizable C(CM) and C pool management index (CPMI) in different soils were examined. 分析了施肥对土壤活性碳(CA)、微生物生物量碳(CMB)、矿化碳(CM)及碳库管理指数(CPMI)的影响。收藏指正
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- She makes her living from the soil. 她以务农为生。
- Keywords C pool;CO_2 exchange;distribution;elevated CO_2;Leymus chinensis steppe;open top chamber;photosynthetic rate;plant biomass;respiration rate;species composition; 生物量;种类组成;碳贮量;CO_2交换;CO_2浓度升高;羊草草原;开顶式气室;光合速率;呼吸速率;
- Grass will not succeeded in this dry soil. 在这种干燥土壤中草不会成活。
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。