A layer loss in soil profile is a sign of soil nutrient loss.

土壤剖面中a层的流失是土壤养分流失的标志。

Tillage treatments affect soil water distribution in soil profile.

不同耕作处理能影响土壤水分剖面分布。

Roots in soil profile of the mixed stands show a well distribution.

混交林的根系在土壤剖面上，垂直分布趋于均匀。

The soil suction can be used as driving force for water movement in soil profile.

土壤吸力是土壤中水分运动的驱动力。

Dissipation increased with soil temperature and decreased with increasing depth in the soil profile.

消散随土温增加，随土壤剖面变深而减少。

The root distribution of all treatment on the different soil profile were also conducted and discussed.

本文还研究讨论了留营养枝与整枝棉花根系在土壤中的分布规律。

Tillage treatments affect soil nutrient in soil profile, soil nutrient content, and fertilizer use ratio.

不同耕作处理能影响土壤养分的剖面分布和养分含量及肥料的利用效率。

Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile.

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。

The feature of soil profile and the contents of soil nutrients were determined after 2 years plantation of leucaena.

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。

It includes the chemical thermodynamic balance system of REEs, soil water physical characters and REEs flux in soil profile.

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。

Construction properties of different soil profile constitutions in black soil of corn belt in Jilin were systemically studied.

以吉林省中部玉米带黑土为供试土壤，研究了黑土不同剖面构型的结构特性。

The contents of organic carbon and water of different plant processes in soil profile of NingXia GuYuan are measured and analyzed.

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 discussion is made for the influence of average value condition of soil profile on the computing result of autocovariance distance.

在此基础之上对土性空间均值条件对结果的影响作了探讨。

Point variability and spatial variability of soil property parameters are associated by means of stochastic field model of soil profile.

引入土层剖面随机场模型，把土性参数的点变异性和空间变异性联系起来。

Application of N fertilizer significantly increased the amount of residual nitrate-N, and affected its distribution in the soil profile.

施用氮肥可明显增加土壤硝态氮残留数量，并影响其剖面分布；

The results of this analysis showed a significant correlation of water uptake rate with soil profile water content and root weight density.

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。

Results demonstrated that nitrate had obvious spatial variation and randomicity in lateral direction and vertical direction of soil profile.

结果表明硝酸盐在水平方向和垂直方向具有明显的空间变异。

The soil C:N increased with the increase of the elevation, but its vertical distribution in the soil profile varied with different vegetation types.

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。

We estimate that the ratio of N2O produced to N2O reduced within the soil profile has declined by about 10-25% relative to its pre-industrial value.

我们估计，比例N2O的制作n 2o的减少与土壤剖面已减少了大约10月25日%，相对于其前工业价值。

The distribution of organic carbon and labile organic carbon along soil profile in swamp soil and peat soil in Ruoergai alpine wetland were studied.

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 experiment studied the effects of residue used as surface mulch, mix with soil and a separate horizon in soil profile on soil water and salt movement.

本试验主要研究了作物秸杆表面覆盖、垂直覆盖（混施）和隔层对土壤水盐运动的影响。

The content of organic carbon in the soil profile of Calamagrostis angustifolia meadow was higher than that of island forest, but the difference was small.

小叶章草甸剖面土壤有机碳含量高于岛状林，但两者差异不大；

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.

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。

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.

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。

The distribution of element in soil profile was related to the characteristics of elements, soil parent, topography, climate and intensity of geological leaching and biological accumulation.

各元素在土壤剖面中分布状况与元素特性、母质，地形、气候以及地质淋溶和生物积累强弱有关。

So soil water should be analyzed as well as lime soil in the study on lime profile.

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。

In the same profile, organic matter content decreased with the increase of soil depth.

同一土壤剖面的有机质含量随着深度的增加而减少。

Simulated soil column experiments were done to study the mechanisms of water reserved by sand interlayer in the profile.

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。

Some explanations and discussions about the differentiation of the "soil magnetic profile" were given.

对“土壤磁性剖面”的分异作了若干解释和讨论。

It was observed that the magnetic susceptibility profile in soils related to the latitude, magnetic base of the parent materials, climatic condition, soil pedogenesis and ripening.

土壤磁化率剖面受纬度、土壤母质磁性本底、气候条件、土壤熟化度，及发育度、土壤颗粒等因子的影响。