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汉语拼音：tǔ rǎng shuǐ

土壤中各种形态的水的总称。分为固态、液态和气态三种形式。液态水按所受的力分为吸湿水、薄膜水、毛管水和重力水。毛管水是土壤毛管孔隙中保持的水分，是农业生产中最有效的土壤水分。土壤水来自于降水、灌溉水和地下水，是土壤重要组成成分之一。

土壤水 [tǔ rǎng shuǐ]

1. 土壤颗粒空隙间所蕴涵的水分即称为土壤水。按照物理特性来区分，土壤水可分成重力水、毛细管水以及吸着性水三种。重力水存在于大孔隙间，可以经由重力作用排出。毛细管水则藉着表面张力存在于土壤颗粒间的孔隙中。至于吸着水则是以薄膜形态紧紧地包裹着土壤颗粒，极不易被排除。

• Still widely used, this electronic nose is able to sniff out a few parts per trillion of chemicals found in the soil, water or air.

  这种仪器直至今天仍然广泛使用，它可以从土壤、水或空气中发现的数以万计的化学物中嗅到一部分（需要的）的东西。

• The soil water and thermal conditions could be improved by the plastic mulching. The growth and development of maize were improved as well.

  地膜覆盖能明显改善玉米田土壤水热生态条件，对促进作物生长发育、抗旱防涝起到一定的作用。

• It is of great significance to quantify water exchange through interface between groundwater, soil moisture or atmospheric water.

  地下水-土壤水-大气水界面水分转化的研究有着重要意义。

• Lee bacilli can be found in soil, water and food, the threat to the elderly, babies, pregnant women and the chronically ill health.

  李氏杆菌可存在于土壤、水和食品中，威胁老人、新生儿、孕妇和慢性病患者的健康。

• Soil water heterogeneity is one of the critical scientific issues in soil water study.

  土壤水分异质性是土壤水研究的关键科学问题；

• Study of Effects of the Concrete Mulch on Movement of Soil Water and Soil Heat Transfer .

  硬覆盖对土壤水热传输及作物生长发育影响的试验研究。

• Similar to other metals, mercury does not degrade but instead accumulates in soil, water and living organisms.

  与其它金属类似，汞不会降解，反而会在土壤、水和活性生物体内蓄积。

• The radiation comes from space (cosmic rays) as well as natural radioactive materials found in the soil, water and air.

  辐射来自于外层空间（宇宙射线），以及在土壤，水和空气中的天然放射性物质。

• The utilization of soil water in the unsaturated zone is of significance for agriculture, forestry, stock raising and the local eco-system.

  如何保持和利用非饱和带中的土壤水对农、林、牧生态系统具有重要意义。