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  2. John Innes compost - Wikipedia

    en.wikipedia.org/wiki/John_Innes_compost

    The seedling mix is used to sow seeds and to grow young plants and cuttings until they are ready to be planted out. [4] The soil component contains: 2 parts sterilised loam; 1 part peat; 1 part sharp sand; With amendments of: 0.6 g/L ground limestone; 1.2 g/L superphosphate [5]

  3. Cannabis cultivation - Wikipedia

    en.wikipedia.org/wiki/Cannabis_cultivation

    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.

  4. Hoagland solution - Wikipedia

    en.wikipedia.org/wiki/Hoagland_solution

    Plant nutrients are usually absorbed from the soil solution. [10] The Hoagland solution, originally intended to imitate a (nutrient-) rich soil solution , [ 11 ] has high concentrations of N and K so it is very well suited for the development of large plants like tomato and bell pepper . [ 12 ]

  5. 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.

  6. 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]

  7. Potting soil - Wikipedia

    en.wikipedia.org/wiki/Potting_soil

    A flowerpot filled with potting soil. Potting soil or growing media, also known as potting mix or potting compost (UK), is a substrate used to grow plants in containers. The first recorded use of the term is from an 1861 issue of the American Agriculturist. [1] Despite its name, little or no soil is usually used in potting soil.

  8. Chemical defenses in Cannabis - Wikipedia

    en.wikipedia.org/wiki/Chemical_defenses_in_Cannabis

    Close up of a Cannabis plant. Cannabis (/ˈkænəbɪs/) is commonly known as marijuana or hemp and has two known strains: Cannabis sativa and Cannabis indica, both of which produce chemicals to deter herbivory. The chemical composition includes specialized terpenes and cannabinoids, mainly tetrahydrocannabinol (THC), and cannabidiol (CBD ...

  9. 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 ...