土壤界面过程，土壤碳氮循环及其调控机制，土壤温室气体排放；
Atmosphere-plant-soil interface, carbon and nitrogen cycling in the soil and underlying mechanisms, emission of greenhouse gases from the soil;
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 N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM.
土壤储存有机碳，但会释放甲烷和一氧化二氮。
Soil stores organic carbon, but can emit methane and nitrous oxide.
生物炭在澳大利亚使用后，几个月后，农田的碳排放量剧减70%多，与此同时，它还能阻止土壤里的氨氮溶入水体。
Biochar applied to Australian fields and left for a number of months cut such emissions by more than 70 percent as well as preventing nitrogen and ammonia from leaching out of the soil in water.
月球的土壤(风化层)含有铁、铝、钙、硅、钛和氧等元素，此外还发现有大量较轻元素如碳、硫和氮等。
The lunar soil (regolith) contains iron, aluminum, calcium, silicon, titanium, and oxygen, as well as trace amounts of lighter elements such as carbon, sulfur, and nitrogen.
此外，与未经过处理的土壤相比，含生物碳的土壤会释放较少的甲烷和一氧化二氮。
Moreover, soil containing biochar releases less methane and less nitrous oxide than its untreated counterparts, probably because the charcoal ACTS as a catalyst for the destruction of these gases.
例如，过度耕种的土地可能发生有机碳和营养的减少，包括磷或氮，降低了土壤的肥力，在农作物密集的地区往往是这样。
For example, a reduction in organic carbon and nutrients, including phosphorus or nitrogen, as may occur in intensively farmed areas, DE creases the fertility of soils.
她一直在测算残渣的收益、土壤的有机碳含量和温室气体排放量（二氧化碳、甲烷和一氧化二氮）。
She is measuring residue yields, soil organic carbon, and greenhouse gas emissions (carbon dioxide, methane, and nitrous oxide).
人工林土壤全氮与土壤有机碳含量之间呈显著的线性正相关。
The contents of total nitrogen had a significant positive relationship with the soil organic carbon.
结果表明：长期不同施肥处理对土壤微生物量碳和氮产生显著影响。
The results indicated that soil biomass carbon and nitrogen were remarkably influenced by fertilization.
在池栽试验条件下，研究了壤土、粘土、砂土三种质地土壤对高油玉米碳氮积累和运转的影响。
This paper studied the effects of different textural soils including clay, loam and sandy on carbon and nitrogen assimilate translocation in high-oil corn.
不同种植年限苜蓿地土壤微生物量碳、氮存在差异。
There were obvious difference on soil microorganism carbon and nitrogen among different alfalfa grounds.
结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤氮磷含量，且能活化土壤磷素。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明：不同类型湿地土壤碳、氮和微生物C、N有明显差异，而且均随深度的增加而降低。
Results showed:The soil organic carbon, nitrogen and microbial biomass C? N of different kinds of wetlands were obviously differences, and decreased with increasing depth at profiles.
土壤在维持全球碳、氮循环中起着重要的作用。
Soil plays an important role in maintaining the balance of global carbon and nitrogen cycling.
相思树种明显地增加了沿海沙地土壤中全氮和全碳的含量，且增加的量以沙地土壤的表层最为显著。
Acacia tree species increased significantly the content of total N and total C and the increment of topsoil of sandy land was significant.
随着新陈代谢作用的进行，以氨基糖为代表的微生物细胞壁残留物不断在土壤中积累，并进一步参与土壤碳、氮循环。
During the metabolism, the microbial residues represented as amino sugars were accumulated in soil and probably concerned in further carbon and nitrogen cycling.
耕作层的土壤磁化率与有机碳、磷含量具有较好的相关性，而与氮、钾含量相关性较差。
Soil magnetism of the plough layer is in relatively good correlation with organic carbon and P but shows a rather poor correlation with N and K.
研究了川中丘陵区紫色水稻土土壤腐殖质碳的剖面分布及其组成特征，探讨了土壤腐殖质与活性有机碳、土壤全氮含量的关系。
The paper studied the distribution of humus carbon in soils sections and the characteristics of humus carbon fraction of purple paddy in Mid-Sichuan Hilly Region.
灰色分析的结果表明，土壤速效磷的形成主要受到土壤养分，尤其是碳、氮养分的影响。
The results of grey relational analysis revealed that the content of soil nutrients, in particular C and N, had a major effect on avail-P.
土壤微生物量碳、氮、磷与植被类型和植被恢复年限关系密切。
Soil Cmic, Nmic and Pmic are significantly related with vegetation type and rehabilitation age.
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。
The soil C:N increased with the increase of the elevation, but its vertical distribution in the soil profile varied with different vegetation types.
通过对不同肥力水平黑土、棕壤、黄棕壤、红壤土壤微生物量碳氮的比较，研究和探讨土壤微生物量碳氮与土壤肥力的关系。
To find out the relationship between soil microbial biomass C and N and soil fertility, soil microbial biomass C and N were compared in several types of soil with different fertilization levels.
外源氮输入可以通过改变土壤中的化学和微生物环境影响凋落物分解过程中的碳氮周转过程。
The increased N input may influence C and N turnover during litter decomposition process by changing chemical and microbial environment in forest floor.
研究结果表明，温度和水分在短期内对土壤有机碳和全氮影响不大。
The results indicated that temperature and moisture had little effects on organic carbon and total nitrogen in soils during short-term incubation.
各处理土壤微生物生物量碳、氮含量因培养时期不同而异。因此，生产中利用秸秆时应考虑不同施肥处理秸秆养分含量的差异。
Therefore, in agricultural practices, the differences in the nutrient contents of straw due to different fertilization should be considered when the straw was to be added into soil.
结果表明，土壤轻组有机碳和氮含量苜蓿-作物轮作系统高于苜蓿草地。
The results showed that light fraction C and N pools of the alfalfa-crop rotation systems were higher than in alfalfa grassland.
在不同土壤水氮条件下，研究了小麦中后期叶片碳氮状况及其比例与冠层光谱反射特征的关系。
The research was conducted to determine the relationships of sugar and nitrogen status and its ratio in wheat leaves to canopy spectral reflectance under different nitrogen and water supply levels.
在不同土壤水氮条件下，研究了小麦中后期叶片碳氮状况及其比例与冠层光谱反射特征的关系。
The research was conducted to determine the relationships of sugar and nitrogen status and its ratio in wheat leaves to canopy spectral reflectance under different nitrogen and water supply levels.
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