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- Keywords covering soil depth;arbuscular mycorrhizal fungi;ore tailing;maize;heavy metal; 覆土厚度;丛枝菌根真菌;尾矿;玉米;重金属;
- covering soil depth 覆土厚度
- Such dynamic variations are also influenced by soil types and soil depth. 这种动态变化同时受土壤类型和深度的影响。
- With the extension of drought duration after rain, soil water loss tended to vary gently with increasing soil depth. 在次降雨后的持续干旱条件下,土壤水分损失随着土层深度的增加逐渐趋于平缓。
- N fertilization induced a decrease of the infection rate, and the decrement varied with soil depth and season. 在不同季节和土层之间,施N肥导致菌根真菌侵染率下降。
- The space-time variation of the typical elements content in covering soil of coal mine reclamation area. 矿山复垦土壤典型元素时空变化研究。
- The change of this DOC concentration with soil depth was greater under the natural secondary forest or plantation than cropland or rangeland. 这些doc浓度与土壤湿度及凋落物层碳贮量正相关显著。
- There are some main influence factors,which are the manners of improvement of foundation,soil layer structure,soft soil depth and embankment height. 影响软土路基侧向变形的主要因素有:地基处理型式、土层结构、软土厚度和路堤高度。
- The relationship between soil temperature changed range and the soil depth were exponential and the relativity of them was influenced by the irrigation ration. 土壤温度变幅与土层深度成指数关系,且灌溉定额对土壤温度变幅与土层深度之间的相关性具有一定的影响。
- Interflow is an important component of the flow on slopes with purple soil, and is determined comprehensively by rainfall, slope feature, soil depth and cultivation regime. 摘要壤中流是紫色土坡面流的重要组成部分和表现形式,它受雨强、坡度、土层厚度、耕作方式等多种因素的综合影响。
- Gob upper ground fall to be used by coal-stone stowed,cover soil on the surface,can be for used building,or cultivate fishs in the gob upper ground fall formed low-lying land. 用矸石充填采空区造成的地面下沉塌陷区,然后用塌陷区内的耕土覆盖,建成复田或在回填地基上盖楼房,或综合治理将塌陷区水域养鱼、栽藕,取得较好的经济效益。
- The CO2 and O2 densities in the curst cover soil had certain negative relativity, but their related coefficient couldn't be given with the assurance, needing a further study. 硬覆盖路面下土壤CO2浓度与O2浓度之间存在一定的负相关性。但受多因素影响,它们的相关系数难以确定,有待进一步探讨。
- Therefore,the measures of early-sowing in good time and shallow-ploughing and covering soil before over winter could efficiently accelerate the growth of seedlings and reduce winter in jury. 适时早播或带肥播种,延长苜蓿生长期和促进幼苗生长,同时在封冻前对平作进行浅耕覆土或深开沟冻磨平,均能增加根颈保温层,有效提高苜蓿越冬率。
- Until now there are contradictorily results regarding the dominant SOC stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition. 至今,有机碳稳定性的主导机制尚不清楚,但影响因素与生态系统类型、土壤类型、土层深度、土壤管理措施、土壤生物活性及群落组成等有关。
- It is a famous local Zhouhou Zhou Hanlin observe the Tomb of goods made in the 18 years of Qianlong (1735), by the master spent the past year from carving, cover soil was in 1957. 它是当地名士周厚洲翰林的守墓品,造于乾隆十八年(1735),由名匠花了近一年雕刻而成,1957年被土掩藏。
- The activities of soil urease fluctuated with soil depth in both top and middle slope positions, but increased in the pattern of solar slope>lunar slope>fallow land at the slope bottom. 在坡顶和坡中部土壤剖面脉酶活性波动较大,在坡底为阳坡>阴坡>撂荒地。
- Topographically this block has similarities to Grace's Back Block, however the Hill Block has more consistency in soil depth and structure allowing a more widespread vineyard management approach. 地形上此座山的石块与格雷斯后山的石块很相似,但是希尔毕朗在土壤深度和结构上更为坚固连贯,可运用更广泛普遍的葡萄园管理办法。
- The individual density and group number of soil mesofauna all decreased with increasing soil depth, but the surface gathering of individual density was more obvious than that of group number. 中型土壤动物群落的个体密度和类群数随着土层深度增加而减少,但个体密度表聚性要比类群数明显;
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- Landfill cover soils can oxidize methane.The capacity of methane oxidation depends on soil property,environmental condition,and so on. 垃圾填埋场覆盖层土壤具有一定的甲烷氧化功能,土壤特性、环境条件影响甲烷氧化能力。