depth of top soil
1Soil 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 …
2soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …
3Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …
4depth — noun 1 distance from top to bottom or from back to front; deep part of sth ADJECTIVE ▪ considerable, great ▪ species that live at considerable depth ▪ They go down to great depths below the surface. ▪ maximum …
5Landslide — This article is about the geological phenomenon. For other uses, see Landslide (disambiguation). Rockslide redirects here. For the comic book character, see Rockslide (comics). Computer simulation of a slump landslide in San Mateo County,… …
6Alkali soils — Alkali, or alkaline, soils are clay soils with a relatively high exchangeable sodium percentage, a relative high pH (> 9), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 m. depth (in… …
7Vanilla — is a flavoring derived from orchids of the genus Vanilla native to Mexico. Etymologically, vanilla derives from the Spanish word es. vainilla , little pod . cite journal |url=http://www.efloras.org/florataxon.aspx?flora id=1 taxon id=134375… …
8Eucalyptus diversicolor — taxobox name = Karri image caption = Climbing a famous Karri Tree The Gloucester Tree regnum = Plantae unranked divisio = Angiosperms unranked classis = Eudicots unranked ordo = Rosids ordo = Myrtales familia = Myrtaceae genus = Eucalyptus… …
9Microbial fuel cell — A microbial electrolysis cell A microbial fuel cell (MFC) or biological fuel cell is a bio electrochemical system that drives a current by mimicking bacterial interactions found in nature. Mediator less MFCs are a more recent development; due to… …
10New Zealand wine — Map showing major cities and approximate location of the main NZ wine growing areas New Zealand wine is largely produced in ten major wine growing regions spanning latitudes 36° to 45° South and extending 1,600 kilometres (990 mi). They are …
