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  2. Calcium in biology - Wikipedia

    en.wikipedia.org/wiki/Calcium_in_biology

    Calcium is a necessary ion in the formation of the mitotic spindle. Without the mitotic spindle, cellular division cannot occur. Although young leaves have a higher need for calcium, older leaves contain higher amounts of calcium because calcium is relatively immobile through the plant.

  3. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .

  4. Chelates in animal nutrition - Wikipedia

    en.wikipedia.org/wiki/Chelates_in_animal_nutrition

    Animals are thought to better absorb, digest, and use mineral chelates than inorganic minerals or simple salts. [1] In theory lower concentrations of these minerals can be used in animal feeds. In addition, animals fed chelated sources of essential trace minerals excrete lower amounts in their faeces, and so there is less environmental ...

  5. Mineral absorption - Wikipedia

    en.wikipedia.org/wiki/Mineral_absorption

    In plants and animals, mineral absorption, also called mineral uptake is the way in which minerals enter the cellular material, typically following the same pathway as water. In plants, the entrance portal for mineral uptake is usually through the roots. Some mineral ions diffuse in-between the cells. In contrast to water, some minerals are ...

  6. 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 ...

  7. Calcium metabolism - Wikipedia

    en.wikipedia.org/wiki/Calcium_metabolism

    The plasma total calcium concentration is in the range of 2.2–2.6 mmol/L (9–10.5 mg/dL), and the normal ionized calcium is 1.3–1.5 mmol/L (4.5–5.6 mg/dL). [4] The amount of total calcium in the blood varies with the level of plasma albumin, the most abundant protein in plasma, and therefore the main carrier of protein-bound calcium in the blood.

  8. Foliar feeding - Wikipedia

    en.wikipedia.org/wiki/Foliar_feeding

    A Geiger counter was used to observe absorption, movement and nutrient utilization. The nutrients were transported at the rate of about one foot per hour to all parts of the plants. [4] A spray enhancer, called a surfactant, can help nutrients stick to the leaf and then penetrate the leaves' cuticle. [citation needed]

  9. Calcium oxalate - Wikipedia

    en.wikipedia.org/wiki/Calcium_oxalate

    Many plants accumulate calcium oxalate as it has been reported in more than 1000 different genera of plants. [7] The calcium oxalate accumulation is linked to the detoxification of calcium (Ca 2+) in the plant. [8] Upon decomposition, the calcium oxalate is oxidised by bacteria, fungi, or wildfire to produce the soil nutrient calcium carbonate. [9]

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