Some areas, because of their soil texture, topographical position, or distance from rivers or groundwater, have virtually no water available to plants, whereas others do.
有些地区由于土质、地形位置或与河流或地下水的距离，几乎没有水分能提供给植物，而另一些地区则有。
Most of soil texture ranges from clay loam tO loam clay.
土壤质地多为重壤土至中粘土，呈强酸性反应。
Soil texture is the main factor affecting soil water properties.
影响黄土高原土壤水分性质的主要因素是土壤质地。
The soil texture difference among nine-origins reaches significant level.
不同产地平贝母生境土壤质地差异达到了显著水平。
The relationship between soil texture, soil ferric oxide and soil spectral reflectance.
氧化铁与土壤质地与土壤反射率的关系。
The mechnical stability, varies with soil texture and with various phases of soil structure .
机械稳定性随土壤的层理和土壤结构中各相情况而变化。
Ways used to decrease underground water level at present have different results on different soil texture.
目前常用的几种降水方法，对不同土质有着不同的效果。
The differences of soil section features and soil texture provide conditions and bases for us to distinguish.
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。
Also improve soil texture, prevent compaction and enhance the ability of preservation moisture and fertility.
长期使用可改善土壤结构，防止土壤板结，增强土壤保水、保肥、保温透气性。
The present study has discovered th at soil texture had a great effect on bacterial wilt occurrence of tomato.
采用盆栽试验方法，研究了不同质地土壤条件下番茄青枯病的发生情况和土壤微生物的特征。
Soil texture, bulk density and water applied methods are critical factors influenced point source infiltration.
土壤质地、滴头流量、土壤密度以及供水方式等因素对于点源入渗有着一定的影响。
The soil texture chart of Haining County was mapped based on data of mechanical composition of 230 soil profiles.
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。
It has been indicated there were close relationship among soil texture, microbial community and soil -borne pathogen.
说明土壤质地与土壤微生物区系和病害发生有重要关系。
The soil nutrient losses were connected with soil texture, water content and fertilizer quantity, and lands utilize way.
土壤养分的流失程度与土壤质地、雨前含水量和施肥量以及土地利用方式有关。
The content of soil organic matter affected soil swelling rate remarkably when soil texture was not obviously different.
有机质含量在质地差别不明显情况下，对土壤膨胀率也有极显著的作用与影响；
The soil solute transport with surface runoff and sediment was greatly impacted by the soil texture and solute character.
土壤质地和溶质性质对土壤溶质地表迁移过程有较大影响。
Soil texture, tube material, and disturbance of light on root were also the factors affecting the precision of the method.
此外，土壤质地、石砾多少、微根管材料选择、减少光系统对根系的干扰等也是影响微根管测定精度的因素。
Through interpolation calculation, the existing data of soil texture is transferred into the soil texture of the U. S. system.
将现有的土壤质地资料，通过插值计算，转化成美国制土壤质地。
Soil type and soil texture and land type affected the movement of water and salt in soil, thereby influenced soil salinization levels.
土壤类型、土壤质地和土地类型以不同的方式影响着土壤水盐运移，对土壤盐渍化水平有一定的指示作用。
Soil water content, soil organic matter content, soil roughness and soil texture etc. are very important information in precision farming.
对于土壤来说，土壤湿度、土壤的有机质含量、土壤粗糙度、土壤质地等特性是精准农业中所需要的重要信息。
The result showed: (1) With the development of community, soil texture changed from silt to clay loam, soil texture was improved obviously.
结果显示：(1)随着群落的发育，土壤质地由群落发育中期的粉土逐渐过渡到发育后期、末期的粘壤土，土壤质地得到了明显的改善。
Results show that soil texture, initial soil - water content, trickle discharge rate, the trickle - buried depth and so on are all the I...
模拟结果表明，土壤质地、土壤初始含水率、滴头出流量、滴头埋深等均是影响地下滴灌土壤水分分布的重要参数。
This paper discusses the effect of soil texture around piles in different degree of frost heave on pile length in seasonal frozen soil area.
论述季节性冻土区，由于桩周土质不同冻胀对桩长的影响。
Comparatively, the pore fractal dimension calculated with the area method is more sensitive to soil texture than with the circumference method.
与周长法相比较，用面积法计算的孔隙分形维数对土壤质地更为敏感。
Statistic analysis indicated that the fractal dimension could objectively reflect soil texture, mainly the content of clay, and then silt content.
土壤颗粒分形维数是反映土壤质地的一个较好指标，重点反映粘粒含量，其次是粉粒含量。
But the big function of soil and water conservation and the improvement of soil texture and seedling nursing have not been studied systematically.
但对它强大的水土保育功能(抑制水土流失、改善土壤质地)，以及与水土保育相关联的幼苗保育功能等方面研究较少。
The impacts of the soil texture, the up - per and lower bounds of water application and the crop roots to the relative percolation are analysed in the study.
在研究中，分析了土壤质地，灌水上、下限和作物根系交错对相对深层渗漏量的影响。
They are applicable to the various soil texture and meet the requirements of environmental protection. They are ideal equipment that supersede steam or air hammers.
因此，液压模锻锤可以用于各种土质条件的地区，且符合环保要求，是替代蒸空模锻锤的理想设备。
Under certain soil texture, bulk density and water content of soil, moving time and distance of soil solute were regarded as the main parameters on soil solute transport.
土壤养分运移和土壤次生盐碱化都是土壤溶质运移领域研究的主要内容，而且土壤养分运移研究起源于土壤水盐运动的研究理论。
Under certain soil texture, bulk density and water content of soil, moving time and distance of soil solute were regarded as the main parameters on soil solute transport.
土壤养分运移和土壤次生盐碱化都是土壤溶质运移领域研究的主要内容，而且土壤养分运移研究起源于土壤水盐运动的研究理论。
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