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  2. Cannabis cultivation - Wikipedia

    en.wikipedia.org/wiki/Cannabis_cultivation

    e. Cultivation of cannabis is the production of cannabis infructescences ("buds" or "leaves"). Cultivation techniques for other purposes (such as hemp production) differ. In the United States, all cannabis products in a regulated market must be grown in the state where they are sold because federal law continues to ban interstate cannabis sales.

  3. Cannabis sativa - Wikipedia

    en.wikipedia.org/wiki/Cannabis_sativa

    In soil, the optimum pH for the plant is 6.3 to 6.8. In hydroponic growing, the nutrient solution is best at 5.2 to 5.8, making Cannabis well-suited to hydroponics because this pH range is hostile to most bacteria and fungi.

  4. Hemp - Wikipedia

    en.wikipedia.org/wiki/Hemp

    Drone video of a hemp themed maze in a hemp (kanep in Estonian) field in Kanepi parish, Estonia (August 2022) Hemp, or industrial hemp, is a plant in the botanical class of Cannabis sativa cultivars grown specifically for industrial and consumable use. It can be used to make a wide range of products. [ 1 ]

  5. Environmental impact of cannabis cultivation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    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 ...

  6. Soil pH - Wikipedia

    en.wikipedia.org/wiki/Soil_pH

    Soil pH is a key characteristic that can be used to make informative analysis both qualitative and quantitatively regarding soil characteristics. [ 1 ] pH is defined as the negative logarithm (base 10) of the activity of hydronium ions (H+ or, more precisely, H3O+aq) in a solution.

  7. Plant nutrients in soil - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrients_in_soil

    Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...

  8. Cannabis - Wikipedia

    en.wikipedia.org/wiki/Cannabis

    For the psychoactive drug, see Cannabis (drug). For other uses, see Cannabis (disambiguation). Cannabis (/ ˈkænəbɪs /) [ 2 ] is a genus of flowering plants in the family Cannabaceae. The number of species within the genus is disputed. Three species may be recognized: Cannabis sativa, C. indica, and C. ruderalis.

  9. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    t. e. Hydroponics[ 1 ] is a type of horticulture and a subset of hydroculture which involves growing plants, usually crops or medicinal plants, without soil, by using water-based mineral nutrient solutions in an artificial environment.