surface soil

Besides, the moisture of surface soil is also an important factor.

此外，表层土壤含水量也是一个重要影响因素。

The study confirmed surface soil being the main soil layer for denitrification.

研究确证了表层土壤是反硝化作用的主要土层。

Spatial characteristics of PAHs molecular marker indices in surface soil of Tianjin

天津表层土壤PAHs分子标志物参数的空间特征

In loessal regions and alluvial valley fills of the western United states, both surface soil and subsoil are commonly friable.

在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。

Salt water irrigation in area with a salinized surface soil horizon

表层盐化土壤区咸水灌溉试验研究

The conditions for electro and magnetic precursor are the tectonic unit, the composition and thickness of Cenozoic group, the soil type near the surface and the lithologic property under Cenozoic group and the depth of the layer with high electric conductivity in the earth crust.

影响地电磁类台站映震能力的主要条件是构造单元、新生界盖层的结构与厚度、表土岩性、基底岩性与壳内高导层顶面埋深等。

Effects of land use change on surface soil were significantly higher than the underlying soil.

土地利用类型的变化对表层土壤的影响显著高于底层土壤。

Temporal Stability of Surface Soil Moisture in Artificially Revegetated Desert Area

荒漠人工固沙植被区浅层土壤水分动态的时间稳定性特征

Quick Construction Technology of Big Section Deep Shaft with Freezing Surface Soil

大断面深立井井筒冻结表土段快速施工技术

Non mining environmental effect on mining projects in thick surface soil

厚表土采矿工程非采动环境效应

Cropland surface soil invertebrate living in it is considered as a special ecosystem in cropland-soil system.

农田表土层及其生活在其中的土壤动物被认为是农田土壤生态系统中一类特殊的生态系统.

Research on Surface Soil of Land Leveling Questions and Countermeasures in Hilly Regions of South China

浅析南方丘陵地区土地平整中的表土问题及对策

Surface soil organic matter contents of each plantation was higher than that of the control plot.

除念珠相思林以外,人工林表层土壤有机质含量均高于所在试验点的对照地.

The correlation analysis showed that Zn in the surface soil and in soil is significant positive correlation.

相关分析表明，蔬菜重金属Zn与表层土壤Zn呈显著正相关。

Study of spatial variability and stochastic modeling of surface soil permeability

表层土渗透系数空间变异与随机模拟研究

Influence of Subtropical Forest Ecosystems Types on Spatial Heterogeneity of Surface Soil Organic Carbon

森林类型对土壤表层有机碳空间异质性的影响

The sample is from the surface soil that scientists say covers a layer of ice.

科学家称上面覆盖一层冰的土壤样品是来自火星表层.

Research on the Influencing Factors of Surface Soil Sheer Strength

地表土壤抗剪强度影响因素的研究

Study on Correlativity Change of Surface Soil Nutrients in Intensified Agricultural Regions

集约农区耕层土壤养分相关性变化研究

The Views on Construction and Design of Freezing Method in deep Surface Soil

对深厚表土层冻结法施工设计的几点看法

On S of t Ground Treatment of Surface Soil in Road Construction

道路工程中表层软土地基处理浅析

Short Discussion on Key Techniques of Freezing Method Construction for Deep-lying Thick Surface Soil

浅述深厚表土冻结法施工关键技术

Blasting parameters calculation of surface soil freezing section of shaft

井筒冻结表土段爆破参数的计算

Effects of Tillage Practices on Temporal Variations of Soil Surface Properties

夏玉米耕作方式对耕层土壤特性时间变异性的影响

Spatial Heterogeneity of Surface Soil Bulk Density in Coastal Region of North Jiangsu Province

苏北海涂围垦区表层土壤体积质量的空间异质性研究

The Effects of Soil and Water Conservation on Temporal Change of the Surface Runoff in Watersheds

水土保持对小流域地表径流时间特征变化的影响

The surface soil temperature in bared belt was 2-5 ° C higher than that in inter rows after jointing stage.

拔节后预留行地表温度比麦行高2~5°C。

The surface soil may be intensively piled up for landscaping.

表层土可集中堆存，用作绿化用土。

The influence of single raindrop to the erosion of felt surface soil

单雨滴降雨对结皮土壤溅蚀的影响

Soil enzyme activity was higher in surface soil layer and lower in bottom soil layer.

土壤酶活性表现出表层高，底层低。