土壤水分测定是农业气象观测员的一项重要业务之一。
Measurement of soil moisture is one of important operation of agrometeorological observer.
在土壤水分测定中利用电阻法测定土壤含水量，是目前国内外应用比较多的方法之一，而应用在沙漠研究中却不多见。
The Electric Resistance Method is mostly used for measuring soil moisture at present in the world, while seldom in desert research. It'…
基于大田土壤水分入渗试验与相关参数的测定，分析了耕作土壤入渗能力衰减过程，探讨了耕作土壤入渗能力衰减机理。
Based on soil water infiltration testing and related parameters measured in field, tillage soil water infiltration capacity attenuation process was analyzed and the mechanism was discussed.
采用对比实验的方法，对小兴安岭林区主要森林类型采伐后土壤水分物理性质进行了测定和研究。
The physical property of soil water was measured and studied by comparative experimental method in the main forest types in Xiaoxing 'an Mountains after harvesting.
在蚕豆成熟期，测定土壤水分和养分指标。
The indexes of soil water and nutrient were measured in horsebean harvest stage.
负水头控制原理与多孔膜材料相结合提供了一种测定土壤水分特征曲线的新装置和新方法。
Principle of negative hydraulic head and multi-pore materials were used to put forward a new setup and method for the measurement of soil-water characteristic curve.
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。
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.
通过田间定位试验和土壤水分的测定，探讨了免耕和秸秆覆盖还田对小麦、油菜土壤水分利用效率的影响。
Through fixed field experiment and determinations of soil moisture, the field water utilization efficiency of wheat and rape seeds was discussed under no tillage and straw mulching.
为了保证土壤水分动态的测定精度对森林土壤水分变异性进行了研究，以合理确定样点数。
The number of sampling points on variation of forest soil were determined for given estimating precisions of dynamic state of forest soil water.
应用时域反射仪、中子仪和上钻法测定了农田土壤水分，并对农田土层含水量和主体贮水量的测定结果进行了比较。
The soil moisture is measured in the field by time domain reflectometry , neutron probe and soil sampling, The results showed that the measured values are different.
在生长箱内控制条件下分析测定了接种体密度、土壤水分基质势和土壤温度对辣椒疫病死苗率的影响。
In control condition of the growth chamber analyzing the influence of inoculum density, soil water matric potential and soil temperature on mortality of pepper caused by p.
田间条件测定土壤水势改以往普通负压式水银张力计一点测定为改进后负压式复合张力计两点测定，并能直接反映田间两点水势差异情况，判断田间土壤水分运动趋势。
The flow of soil water was determined in field by two sites replaced one site, the result can directly show difference between two assaying sites, and judge trend of soil water movement.
根据离心机法测定土壤水分特征曲线随温度和干密度的变化情况。
In the different temperature and dry-density, the soil-water characteristic curve is established by the centrifuge test.
在兰州市北山采用不同厚度的无纺布覆盖水平沟处理和无覆盖对照处理，在树木生长期内，对土壤水分和刺槐生长指标进行了测定。
Through different thickness non-textile mulch and check treatments, in this paper the water soil content and some growth index of Robinia pseudoacacia during the growth period were studied.
用中子仪测定土壤水分含量和变化量，分析计算水文地质参数，所得结果与其它方法测定值相近，可以认为中子仪测定水文地质参数是一种新的手段和方法。
To calculate the above parameters, water content in soil and its variety were measured by a neutron probe. This method is simple and the results are close to those obtained using other methods.
土壤与基质的理化特性相差较大，土壤水分传感器测定基质含水率时有较大误差，不能直接用于基质含水率测定。
The physical and chemical properties of soil and substrate are different, so the moisture sensors can not be used directly for measuring the substrate moisture due to the great errors.
黑土土壤含水率高光谱反演模型的建立为土壤水分的快速测定提供了新的途径。
The hyper-spectral inversion model of black soil moisture content provides a new approach for rapid soil moisture monitoring.
黑土土壤含水率高光谱反演模型的建立为土壤水分的快速测定提供了新的途径。
The hyper-spectral inversion model of black soil moisture content provides a new approach for rapid soil moisture monitoring.
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