soil-free growing

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• Soil life — or soil biota is a collective term for all the organisms living within the soil.OverviewIn a balanced soil, plants grow in an active and vibrant environment. The mineral content of the soil and its physical structure are important for their well… …   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

• 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 test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… …   Wikipedia

• Potting soil — is a mixture used to grow plants, herbs and vegetables in a contained garden environment. The first recorded use of the term is from an 1861 issue of the American Agriculturist . [ [http://dictionary.oed.com/cgi/entry/50185534/50185534se9?single=1… …   Wikipedia

• Origins of the American Civil War — For events following South Carolina s declaration of secession from the Union, see Battle of Fort Sumter and American Civil War. The Battle of Fort Sumter was the first stage in a conflict that had been brewing for decades. The main explanation… …   Wikipedia

• Agriculture in the United Kingdom — A combine harvester in Scotland Agriculture in the United Kingdom uses around 71% of the country s land area and contributes about 0.6% of its gross value added. The UK produces less than 60% of the food it eats and the industry s share of the… …   Wikipedia

• American Civil War — American Civil War …   Wikipedia

• Economy of the People's Republic of China — Economies of Special Administrative Regions of Hong Kong and Macau are administered separately from the rest of People s Republic of China. Therefore, the information below pertains only to mainland China unless specified otherwise. For the… …   Wikipedia

• Massachusetts in the American Civil War — Union States in the American Civil War California Connecticut Illinois Indiana Iowa …   Wikipedia

• History of the United States Republican Party — The History of the United States Republican Party is an account of the second oldest currently existing political party in the United States.CreationWhen the Republican Party was created, the two major parties in the United States were the… …   Wikipedia