great soil group — noun : a group of soils having common characteristics usually developed under the influence of environmental factors (as vegetation and climate) active over a considerable geographic range and comprising one or more families of soil * * *… … Useful english dictionary
great soil group — noun see great group … New Collegiate Dictionary
great group — noun Date: 1960 a category below the suborder and above the subgroup in the hierarchy of soil classification comprising one or more subgroups based on similarities in horizons or characteristics of moisture or temperature called also great soil… … New Collegiate Dictionary
soil — 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… … Universalium
soil organism — ▪ biology any organism inhabiting the soil during part or all of its life. Soil organisms, which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms, play an… … Universalium
Great Lakes — This article is about the Great Lakes of North America. For the region, see Great Lakes region (North America). For other uses of this term, see Great Lakes (disambiguation). A rare cloudless satellite view of the entire Great Lakes region, April … Wikipedia
Great Peace March for Global Nuclear Disarmament — The Great Peace March for Global Nuclear Disarmament, Inc. (also referred to as The Great Peace March, GPM, and the March) was a cross country action in 1986 to raise awareness of the growing danger of nuclear proliferation and to advocate for… … Wikipedia
Great Depression — the economic crisis and period of low business activity in the U.S. and other countries, roughly beginning with the stock market crash in October, 1929, and continuing through most of the 1930s. * * * or Depression of 1929 Longest and most severe … Universalium
Great Lakes Council (Boy Scouts of America) — For the Australian local government area, see Great Lakes Council. Great Lakes Council Owner Boy Scouts of America … Wikipedia
Soil — 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 … Wikipedia