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Duquenois–Levine reagent. The Duquenois reagent is used in the Rapid Modified Duquenois–Levine test (also known as the simple Rapid Duquenois Test), which is an established screening test for the presence of cannabis. The test was initially developed in the 1930s by the French medical biochemist Pierre Duquénois (1904–1986) and was ...
Cannabis drug testing describes various drug test methodologies for the use of cannabis in medicine, sport, and law. Cannabis use is highly detectable and can be detected by urinalysis, hair analysis, as well as saliva tests for days or weeks. Unlike alcohol, for which impairment can be reasonably measured using a breathalyser (and confirmed ...
Water cloning can take longer to show roots, but is a truly natural way to propagate any plant that is able. Marijuana growers often root clones in peat pellets (compressed peat moss) or in rock wool. Another technique that has become popular for rooting clones is aeroponic cloning. [40] The main steps of hormonal cannabis cutting are as follows:
Cannabis plants produce a unique family of terpeno-phenolic compounds called cannabinoids, some of which produce the "high" which may be experienced from consuming marijuana. There are 483 identifiable chemical constituents known to exist in the cannabis plant, [ 53 ] and at least 85 different cannabinoids have been isolated from the plant. [ 54 ]
The U.S. Supreme Court tackled a case on Tuesday involving a New York state man who was fired from his job as a commercial truck driver for failing a drug test after taking cannabidiol, or CBD ...
These indoor environmental controls prevent crop loss and optimize yield, but often demand large amounts of electricity. Cannabis cultivation consumed approximately 0.11 percent of all electricity used in the US in 2017, while regulated cultivators used 0.03 percent. However, actual electricity consumption by cannabis cultivators may be much ...
The flowers of Cannabis sativa plants are most often either male or female, but, only plants displaying female pistils can be or turn hermaphrodite. Males can never become hermaphrodites. [3] It is a short-day flowering plant, with staminate (male) plants usually taller and less robust than pistillate (female or male) plants.
Hempcrete is made of the inner woody core of the hemp plant (hemp shives) mixed with a lime-based binder and water. [6] The lime-based binder typically consists of either hydrated lime or natural hydraulic lime. [7] Hydrated lime is made from pure limestone and sets through the absorption of CO 2 during the carbonation process. [7]