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  2. Cannabis cultivation - Wikipedia

    en.wikipedia.org/wiki/Cannabis_cultivation

    A young male cannabis plant during early flowering stage. Also called the stretch, this takes one day to two weeks. Most plants spend 10–14 days in this period after switching the light cycle to 12 hours of darkness. Plant development increases dramatically, with the plant doubling or more in size. (See reproductive development below.)

  3. Cannabis sativa - Wikipedia

    en.wikipedia.org/wiki/Cannabis_sativa

    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.

  4. Ecosystem respiration - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_respiration

    Ecosystem respiration is the sum of all respiration occurring by the living organisms in a specific ecosystem. [1] The two main processes that contribute to ecosystem respiration are photosynthesis and cellular respiration. Photosynthesis uses carbon-dioxide and water, in the presence of sunlight to produce glucose and oxygen whereas cellular ...

  5. Cannabaceae - Wikipedia

    en.wikipedia.org/wiki/Cannabaceae

    Cannabaceae is a small family of flowering plants, known as the hemp family.As now circumscribed, the family includes about 170 species grouped in about 11 genera, including Cannabis (hemp), Humulus and Celtis (hackberries).

  6. Cannabis - Wikipedia

    en.wikipedia.org/wiki/Cannabis

    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]

  7. Portal:Cannabis - Wikipedia

    en.wikipedia.org/wiki/Portal:Cannabis

    The plant is also known as hemp, although this term is often used to refer only to varieties of Cannabis cultivated for non-drug use. Cannabis has long been used for hemp fibre, hemp seeds and their oils, hemp leaves for use as vegetables and as juice. Industrial hemp products are made from cannabis plants selected to produce an abundance of fibre.

  8. Cannabis ruderalis - Wikipedia

    en.wikipedia.org/wiki/Cannabis_ruderalis

    Further crosses will stabilise this trait and give a plant which flowers automatically and can be fully mature in as little as 10 weeks. Plant growing indoor under LED lights. Cultivators also favor ruderalis plants due to their reduced production time, typically finishing in 3–4 months rather than 6–8 months [citation needed]. The auto ...

  9. Cannabis indica - Wikipedia

    en.wikipedia.org/wiki/Cannabis_indica

    Cannabis indica is an annual plant species in the family Cannabaceae [1] indigenous to the Hindu Kush mountains of Southern Asia. [2] The plant produces large amounts of tetrahydrocannabinol (THC) [ 3 ] and tetrahydrocannabivarin (THCV), with total cannabinoid levels being as high as 53.7%. [ 4 ]