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  2. Cannabis cultivation - Wikipedia

    en.wikipedia.org/wiki/Cannabis_cultivation

    Flowering is dependent on the plant's age, as opposed to time of year or ratio of light and darkness. Autoflowering varieties will bloom from seed in 12/12, 18/6, 20/4 or even 24/0 lighting, referring to light/dark time respectively. The first autoflowering cannabis seed on the market was the Lowryder #1.

  3. Autoflowering cannabis - Wikipedia

    en.wikipedia.org/wiki/Autoflowering_cannabis

    The Cannabis ruderalis heritage causes flowering after 2–3 weeks from germination [17] No need for a separate vegetative and flowering environment (unlike with photoperiod dependent/ short-day strains) Due to short life span can be grown in cold climates where summers are short and cold [18] Can produce multiple harvests outdoors in one ...

  4. Seed dormancy - Wikipedia

    en.wikipedia.org/wiki/Seed_dormancy

    If the seeds remain moist after dispersal, germination can be delayed for many months or even years. Many herbaceous plants from temperate climate zones have physiological dormancy that disappears with drying of the seeds. Photodormancy or light sensitivity affects germination of some seeds. These photoblastic seeds need a period of darkness or ...

  5. Cannabis - Wikipedia

    en.wikipedia.org/wiki/Cannabis

    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. Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known as marijuana or weed.

  6. Oldest viable seed - Wikipedia

    en.wikipedia.org/wiki/Oldest_viable_seed

    Seeds have many cells and tissues that die over time, [1] and these deaths can be delayed or increased by environmental conditions the seed experiences. Very generally, small seeds, especially from weedy species and annuals are more likely to remain viable in the soil longer than larger perennial seeds. [ 2 ]

  7. Cannabis ruderalis - Wikipedia

    en.wikipedia.org/wiki/Cannabis_ruderalis

    Cannabis ruderalis is a variety, subspecies, or species of Cannabis native to Central and Eastern Europe and Russia.It contains a relatively low quantity of psychoactive compound tetrahydrocannabinol (THC) and does not require photoperiod to blossom (unlike C. indica and C. sativa).

  8. How Long Does It Take a Christmas Tree to Grow? The ... - AOL

    www.aol.com/lifestyle/long-does-christmas-tree...

    This means that the tree you pick out at your local lot this year has been growing for nearly a decade! As the tree matures, it begins to grow faster. As the tree matures, it begins to grow faster.

  9. Germination - Wikipedia

    en.wikipedia.org/wiki/Germination

    Disturbance of soil can result in vigorous plant growth by exposing seeds already in the soil to changes in environmental factors where germination may have previously been inhibited by depth of the seeds or soil that was too compact. This is often observed at gravesites after a burial. [1]