重金属在土壤剖面分布没有规律性；
The heavy metals were irregularly distributed in soil profiles.
微量元素在土壤剖面中的分异不明显。
There are also no significant differences can be found in soil profiles for trace element contents.
消散随土温增加，随土壤剖面变深而减少。
Dissipation increased with soil temperature and decreased with increasing depth in the soil profile.
土壤剖面中a层的流失是土壤养分流失的标志。
A layer loss in soil profile is a sign of soil nutrient loss.
混交林的根系在土壤剖面上，垂直分布趋于均匀。
Roots in soil profile of the mixed stands show a well distribution.
不同土壤剖面大孔隙的数量和孔隙体积相差很大。
There was much difference in quantity and volume of macropore in the profiles of the three soils.
同一土壤剖面的有机质含量随着深度的增加而减少。
In the same profile, organic matter content decreased with the increase of soil depth.
通过野外土壤剖面观测和取样进行物理性质测定分析岗中洼成因。
Soil profiles observation and soil samples physical properties analysis methods were adopted to study the possible factors contribute to form the waterlogged land.
结果表明，土壤剖面的全磷含量和分布与景观部位存在一定的联系。
Results show that there exists some regularity for the amount and distribution of soil total phosphorus in the profiles.
土壤剖面特性的不同和质地的差异为我们提供了区分的条件和依据。
The differences of soil section features and soil texture provide conditions and bases for us to distinguish.
探讨土壤剖面中砂质夹层的水分行为，试验采用模拟土柱进行研究。
Simulated soil column experiments were done to study the mechanisms of water reserved by sand interlayer in the profile.
本文根据230个土壤剖面的机械组成数据绘制了海宁县土壤质地图。
The soil texture chart of Haining County was mapped based on data of mechanical composition of 230 soil profiles.
降雨次数和降雨量是左右溶质在土壤剖面中沉积位置高低的决定性因素。
Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile.
并测定和比较了2年生银合欢林地和相应荒地的土壤剖面性状及养分含量。
The feature of soil profile and the contents of soil nutrients were determined after 2 years plantation of leucaena.
通过对宁夏固原不同植物过程土壤剖面有机碳含量和含水量的测定和分析。
The contents of organic carbon and water of different plant processes in soil profile of NingXia GuYuan are measured and analyzed.
结果表明：紫花苜蓿根系吸水速率与土壤剖面含水量和根重密度密切相关。
The results of this analysis showed a significant correlation of water uptake rate with soil profile water content and root weight density.
所以，对石灰土-土壤剖面化学组成的研究应同时将土壤和土壤水加以考虑。
So soil water should be analyzed as well as lime soil in the study on lime profile.
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.
在湋水河谷多个地点发现全新世古洪水平流沉积层赋存于黄土—古土壤剖面中。
During the investigation of the Weishui River valley, we found many palaeoflood slack-water deposits sandwiched in Holocene loess-soil profiles.
调查了研究区土壤主要类型及其分布特征，获得了详实的土壤剖面理化性状资料。
Make investigations on main district soil type and its distribution character, obtaining specific and accurate soil section physical and chemical property materials.
本文主要对黑龙江省哈尔滨市一定点大棚内土壤剖面通气孔隙的变化进行了研究。
This article mainly studied the variation of aeration porosity in soil under shed protection in Harbin, Heilongjiang Province.
三个土壤剖面均有一定的漂洗和淀积粘化现象，但都不足以定义成漂白层或粘盘层。
Bleaching and characterization were morphologically apparent, but not well developed as to be defined as bleached or claying horizons.
结果表明，从环型沼泽湿地边缘向中心，土壤剖面有机碳含量和有机碳储量变化明显。
The results showed that the content of organic carbon in soil profile and the storage of organic carbon in different soils varied obviously from margin to center of the annular wetland.
模型包括土壤中稀土化学热力学平衡体系、土壤水分物理形状和土壤剖面的稀土通量。
It includes the chemical thermodynamic balance system of REEs, soil water physical characters and REEs flux in soil profile.
同一母质发育的旱地土壤和水田土壤的全锰和有效锰含量在土壤剖面中的分布明显不同。
The contents and profile distributions of total Mn and available Mn of the dryland soil and paddy soil derived from the identical parent material were remarkably different.
选定的手段是土壤剖面及面积性土壤测量，测定的相态是水提取金、有机结合金、自然金。
Selected means are soil section and region surveys. Tracing phase states are water extracted gold, organic combined gold and nature gold.
在观测期，土壤剖面各土层土壤水分含量在随时间变化呈现减少趋势，与降水量关系显著；
During observation period, the soil moisture of each layer presents to reduce trend with various time, and it is closely related with rainfall.
在稳定的土壤发育条件下，土壤剖面有可以鉴别的诊断层，其中一些性状特征沿剖面分异明显。
Soil profiles have the obvious diagnostic horizons and properties and characteristics of soils have distinct change along their profile depth under stable conditions of soil development.
了解这些特性是对土壤剖面、土壤类型、土壤生产力和土壤管理进行研究的一个必要的先决条件。
An understanding of the nature of these characteristics is an essential prerequisite to the study of soil profiles, soil types, soil productivity, and soil management.
当采用双环入渗法和环刀法测定土壤的饱和渗透系数时，土壤剖面土壤水压力势分布规律不同。
The distribution law of pressure potential in saturated soil using two-ring infiltration method to determine the permeability coefficient was different to that using cutting ring method.
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