A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compete with other plants for space, water, or sunlight.
当种子落在合适的土壤表面时，一株新的植物就会在那里生长，但由于它们体型不大，它们无法与其他植物竞争空间、水分或阳光。
Soil evaporation is an important proportion of energy and water balance of soil surface.
土壤蒸发是地表能量与水分平衡的重要组成部分。
Salt crust is a unique layer that forms on the soil surface under drip irrigation with saline water in the shelterbelts along the Trim Desert Highway.
盐结皮是咸水滴灌条件下塔里木沙漠公路防护林土壤表层形成的一种特殊层结。
Inspect wooden tie posts regularly for damage and rotting below the soil surface.
经常地检查在土壤表面下的木质柱子有无损坏和腐烂。
Weeping Alkaligrass with high nutrient value can decrease the salt content of salinized soil surface.
碱茅草能降低盐渍化土壤表层的含盐量，营养价值高。
The water permeability below the red soil surface layer is not the main factor that induces soil erosion.
红壤表层以下的透水状况不是造成土壤侵蚀的主要因素。
As to the application method of budding fertilizer, the soil surface broadcast was better than foliar spray.
促芽肥的施用方法以田面施为佳，叶面施用效果较差。
The water condition of stony golly is best, but the water condition of soil surface and stony trough are worse.
石沟的水分状况最好，土面和石槽水分状况相对较差。
Thatch can be described as the layer of organic residue located immediately between the sward and the soil surface.
土壤腐殖质层可被定义为在草皮与土壤表面之间的一层有机残留物。
Fig. 4. Pycnidiospore survival of Didymella bryoniae placed at soil surface, 5, 15, and 30cm below ground at field.
图四、在土壤表面、地表下5、15及30公分土壤深度的瓜类蔓枯病菌柄孢子存活情形。
Soil evaporation and moisture and heat transport are important constitutes of energy and water balance of soil surface.
土壤蒸发与水热传输是地表能量与水分平衡的重要组成部分。
The second is the process of water condensation determined by air vapor, soil surface temperature and the available energy of soil.
第二阶段是由近地面微气象条件决定的水分凝结过程，所吸收水量受空气水汽压、地面温度和地表可利用能量的影响。
The results indicate that the sliding resistance is greatly reduced by the lubrication effect of a thin film plaster on the soil surface.
结果表明：田面有泥浆薄层时船体滑行阻力将大大降低。
The results showed that soil surface random roughness, soil cohesion and aggregate stability had significant difference among land use types.
结果表明，大南沟流域内土壤随机糙度、抗剪力和团粒稳定性具有一定的空间变化规律，不同土地利用方式间有显著差异。
The model presented here can be used to predict the temperatures of the cover, internal air, plant canopy, and soil surface of the greenhouse.
该模型可作温室顶棚，内部空气，作物表面和地表的温度预报之用。
Simulating experiments were conducted to study the effects of sand and gravel mulches with different sizes on moisture evaporation from soil surface.
为研究不同粒径砂石覆盖对土壤蒸发过程的影响，进行模拟试验。
There were two typical characters in the soil surface of H1 and H2, which were breaking up of aggregates easily and sharply tightening of surface soil.
在降雨过程中，H1、H2表土结构的变化有两个显著特征，一是团聚体容易破碎，二是表土迅速紧实。
The application technique of texture mapping on imitating the soil surface is introduced for an example of the soil surface changed in the engineering corps battlefield.
以工兵战场仿真中挖土作业时土壤表面视景仿真为例，介绍了纹理映射技术在模拟土壤变形过程中的运用。
On the basis of the above, the author studied and analyzed the relations between soil surface resistance and evaporation and main factors that influence the evaporation.
在此基础上，对土壤表面阻力与蒸发、影响蒸发的主要因子的关系进行了分析研究。
The relationship between soil surface moisture and soil spectral reflectance as well as evaluation of several inversion method of soil surface moisture from reflectance;
土壤表面湿度与土壤反射率的关系及其土壤表面湿度的几种反射率反演方法的评价；
Even though potassium is stratified under reduced tillage, it is apparent that roots proliferate sufficiently near the soil surface to assume adequate potassium uptake by crops.
虽然在少耕制下，土壤钾有明显的分层分布但在土表附近，作物根系发达保证作物对钾有足够的吸收。
The working principle and the influences of construction parameters of the soil opener on the length and the width of soil hole formed by spade on the soil surface were analyzed.
进而分析了成穴器结构参数对打穴铲在土壤上所形成穴孔长度和穴孔宽度的影响。
The results show that the solar and thermal infrared transmittance of the cover and the proportion of soil surface occupied by vegeta (?) appear as the most influential parameters.
结果表明，影响最大的参数为温室覆盖材料对太阳辐射和热辐射的透射率以及作物占温室土壤表面积的比例。
The model stratums mainly included miscellaneous filling soil surface, interaction stratum of silty clay, silt and fine sand and pebble round gravel at the bottom of station tunnel.
模型介质材料分别模拟地表杂填土层，粉质黏土、粉土、粉细砂互层和车站隧道底部的卵石圆砾层；
In conclusion, there were some differences in the results of soil surface evaporation, when the leaf area index was large. A further study was needed under high-frequency irrigation.
分析认为，当叶面积指数较大时，棵间蒸发的现有研究结果尚存在较大的差别，而且高频灌溉条件下的土面蒸发有待于进一步研究。
The soil mesofauna tends to gather on soil surface, but the vertical migrating greatly varies in different seasons affected by climate condition, edatope, artificial factor and so on.
土壤动物具有表聚性，但是在不同季节，由于受气候条件、土壤环境、人为因素的影响，土壤动物的垂直分布有明显变化。
This paper introduced a concept of soil surface resistance to explain the process of soil water evaporation and put forward a method for determination of soil surface resistance in lab.
引入土壤表面阻力概念来说明土壤水分蒸发过程，提出了实验室测定其大小的整套试验方法。
Evaporation can accelerate the accumulation of salts; conversely, through reducing the surface vapor pressure, accumulated salts on the soil surface also can affect the evaporation rate.
相反，表面结晶盐的析出也会影响蒸发过程，通过降低土壤表面蒸汽压抑制蒸发速率。
Soil water is the link of the continuum, which makes soil system, plant system and atmosphere system become a continuum by water absorption of root system and water evaporation of soil surface.
土壤水分通过植物根系和土面蒸发进入大气从而使三者成为一连续统。
Soil water is the link of the continuum, which makes soil system, plant system and atmosphere system become a continuum by water absorption of root system and water evaporation of soil surface.
土壤水分通过植物根系和土面蒸发进入大气从而使三者成为一连续统。
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