- surface soil
- 土壤表层, 表土
English-Chinese geology dictionary (英汉地质大词典). 2013.
surface soil
Look at other dictionaries:
surface soil — noun the layer of soil on the surface • Syn: ↑topsoil • Hypernyms: ↑soil, ↑dirt * * * noun : the upper 5 to 8 inches of the soil layer : the portion of the soil usually tilled … Useful english dictionary
Soil horizon — Soil samples illustrating horizons (subsoil on right) A soil horizon is a specific layer in the land area that is parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath … Wikipedia
Soil morphology — is the field observable attributes of the soil within the various soil horizons and the description of the kind and arrangement of the horizons. [cite book | last = Buol | first = Stanley W. | authorlink = | coauthors = Southard, Randal J.,… … Wikipedia
Soil Moisture and Ocean Salinity satellite — Global soil moisture and ocean salinity measurements are needed to better understand Earth’s water cycle and climate. Currently, there is no thorough dataset on soil moisture or ocean salinity. Current satellites operated by NASA have provided… … Wikipedia
soil creep — noun : slow down slope movement of earth materials under the influence of gravitation * * * Geol. creep of soil on even slopes; often accelerated by spring freeze and thaw or general periglacial conditions. Cf. creep (def. 17a). [1895 1900] * * * … Useful english dictionary
Soil conservation — is set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse, salinization, acidification, or other chemical soil contamination. The principal approaches these strategies… … Wikipedia
Soil pH — is the pH of soil water. It is based on the measurement of pH, which depends on the activity of hydrogen ions (H+) in a solution.There are many different methods to collect soil water, all which influence the measured soil pH in one way or… … Wikipedia
Soil structure — is determined by how individual soil granules clump or bind together and aggregate, and therefore, the arrangement of soil pores between them. Soil structure has a major influence on water and air movement, biological activity, root growth and… … Wikipedia
Soil science — is the study of soil as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and… … Wikipedia
Soil salinity — is the salt content in the soil. [ [http://europeandcis.undp.org/WaterWiki/index.php/Soil salinity from Soil salinity in WaterWiki, the on line Knowledge and Collaboration Tool of the Community of Practice (CoP) on Water and UNDP related… … Wikipedia
Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… … Wikipedia
