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  2. Plant tissue culture - Wikipedia

    en.wikipedia.org/wiki/Plant_tissue_culture

    The production of plants from seeds that otherwise have very low chances of germinating and growing, e.g., orchids and Nepenthes. To clean particular plants of viral and other infections and to quickly multiply these plants as 'cleaned stock' for horticulture and agriculture. Reproduce recalcitrant plants required for land restoration

  3. Nitrogen deficiency - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_deficiency

    Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as sawdust, is added to soil. [1] Soil organisms use any nitrogen available to break down carbon sources, making nitrogen unavailable to plants. [1] This is known as "robbing" the soil of nitrogen.

  4. List of nitrogen-fixing-clade families - Wikipedia

    en.wikipedia.org/wiki/List_of_nitrogen-fixing...

    The nitrogen-fixing clade consists of four orders of flowering plants: Cucurbitales, Fabales, Fagales and Rosales. [a] This subgroup of the rosids encompasses 28 families of trees, shrubs, vines and herbaceous perennials and annuals. The roots of many of the species host bacteria that fix nitrogen into compounds the plants can use. [4] [5]

  5. 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.

  6. Topsoil - Wikipedia

    en.wikipedia.org/wiki/Topsoil

    Low fertility, low fertility acidic and low fertility calcareous are other soil classifications designed for plants which thrive in nutrient sparse soil. Examples of specialist plants include the Venus flytrap which is found in low nitrogen and phosphorus environments so is less tolerant of highly nutrient rich environments than other plants ...

  7. Molybdenum deficiency (plant disorder) - Wikipedia

    en.wikipedia.org/wiki/Molybdenum_deficiency...

    In many situations, however, a soil-, seed- or foliar application of a Mo fertilizer is far more cost-effective than the use of lime to increase Mo availability. Sodium molybdate is a typical source of Mo. Typical soil and foliar application rates are 50–200 g Mo ha −1; recommended rates for seed treatment range from 7–100 g Mo ha −1. [1]

  8. Houseplant - Wikipedia

    en.wikipedia.org/wiki/Houseplant

    Houseplants have care requirements that differ from plants grown outdoors. Moisture, light, [3] soil mixture, temperature, ventilation, humidity, fertilizers, and potting are all important factors. Each plant species has different care requirements, and care requirements can vary based on the specific pot, location in a particular home and ...

  9. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    4 interferes with Ca 2+ uptake and can be toxic to plants if used as a major nitrogen source. A 3:1 ratio of NO − 3-N to NH + 4-N (wt%) is sometimes recommended to balance pH during nitrogen absorption. [71] Plants respond differently depending on the form of nitrogen, e.g., ammonium has a positive charge, and thus, the plant expels one ...

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