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- Two basic microwave approaches are used to measure soil moisture, one is passive which is based on radiometry and the other is active and uses radar. 微波遥感测量上壤水分的方法主要分主动和被动两种,它们都是基于干燥土壤和水体之间介电常数的巨大差异。
- This paper included two parts: one is to generate the calibration process of Watermark sensor; the other is to use the sensor to measure soil moisture tension in field test. 摘要本文主要可以分成两部份，一为土壤水分张力感应器之率定，主要是要了解土壤水分张力感应器之讯号处理程序，并以统计方法回归土壤水分张力值与土壤水分张力感应器之电压值的关系。
- Pycnometer Method of Quick - measuring Soil Moisture Content 瓶筒法快速测定土壤含水量
- THE STUDY OF LOW FREQUENCY ELECTROMAGNETIC WAVE RAPIDLY MEASURING SOIL MOISTURE CONTENT 用低频电磁波速测土壤水分的研究
- The remainder is present as soil moisture. 其余的保存在土壤的湿度里。
- measuring soil moisture 测定土壤湿度
- The soil moisture in the fields was evaporated. 田里的水分散失了。
- There is a serious loss of soil moisture. 土地失墒严重。
- They sense soil moisture in the immediate vicinity of the cup. 他们能对直接接近林子的土壤水分作出感应。
- Yang W Z, Shao M A. Study on Soil Moisture in Loess Plateau. 杨文治，邵明安.;黄土高原土壤水分研究
- Corn responds to interaction between soil moisture and fertilizer. 土壤水肥交互作用与玉米的响应。
- As may well be the case, soil moisture was decreased. 情况很可能是土壤中水分减少了。
- Watch soil moisture carefully at the end of the irrigating season. 看墒情仔细在年底灌溉季节.
- The method of measuring deep soil moisture by VHF/UHF dual frequency multiple polarization Synthetic Aperture Radar (SAR) consisting of vector network analyzer is proposed. 该文提出了利用由矢量网络分析仪构造的VHF/UHF双频、多极化合成孔径雷达(SAR)测量深层土壤湿度的方法；
- Photosynthesis, Chl fluorescence, Gas Exchange, Root research solutions, Plant Canopy, Leaf Area measurement，Soil Moisture Content, Time Domain Reflectometry 光合作用，叶绿素荧光，气体交换，根系研究解决方案，植物冠层，叶面积，土壤水分，时域反射仪
- The soil moisture content must be maintained at a relatively high level. 必须将土壤墒情保持在一个较高的水平上。
- When soil moisture is below normal and temperatures are high, the number of. 当土壤湿度低于正常水平而温度又高时,空气中的黄曲霉菌孢子数量便会增加。
- The principles and methods were introduced for measuring soil organic matter content with the aid of spectrum data diffusely reflected by the soil. 摘要阐述了利用有机质的反射光谱特性对土壤有机质含量进行测定的原理及方法。
- A Jarvis stomatal conductance model under considering soil moisture condition. 羊草气孔导度的Jarvis-类模型
- A layer of snow can preserve soil moisture and prevent it from freezing. 积雪可以保温保墒。
