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  • Glenda

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    June 21, 2024 at 10:09 am
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    Plants obtain essential nutrients from the soil through several mechanisms:

    1. Root Uptake: Plants absorb nutrients from the soil solution through their roots. The roots release enzymes to break down organic matter and release nutrients, which are then absorbed by the plant.
    2. Nutrient Availability: Nutrient availability is influenced by factors such as soil pH, type of soil, and the presence of other nutrients. For example, high levels of certain nutrients can make other nutrients less available to the plant.
    3. Microbial Activity: Microorganisms in the soil, such as mycorrhizal fungi, can help plants access nutrients by breaking down organic matter and releasing nutrients in a form that can be taken up by the plant.
    4. Fertilizers: Fertilizers can be added to the soil to supplement essential nutrients. These can be organic or inorganic and can be applied in various forms, such as slow-release or soluble fertilizers.
    5. Nutrient Cycling: Nutrients are constantly being cycled through the soil ecosystem. Organic matter is broken down, releasing nutrients, which are then taken up by plants. This process is influenced by factors such as soil temperature, moisture, and microbial activity.

    These mechanisms work together to ensure that plants have access to the necessary nutrients for growth and development.

  • Shayan

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    June 21, 2024 at 12:33 pm
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    Plants obtain essential nutrients from the soil through their root systems. The main ways plants get nutrients from the soil are:

    1. Root Absorption: The roots of a plant have specialized structures called root hairs that increase the surface area for absorption. These root hairs absorb water and dissolved minerals from the soil through a process called osmosis.

    2. Mycorrhizal Associations: Many plant roots form symbiotic relationships with fungi called mycorrhizae. The fungal hyphae, which are very fine thread-like structures, extend the reach of the plant’s root system and help absorb additional water and nutrients from the soil.

    3. Nitrogen Fixation: Some plants, especially legumes like beans and peas, have specialized root nodules that contain nitrogen-fixing bacteria. These bacteria convert atmospheric nitrogen into a form the plant can use, providing the plant with nitrogen nutrients.

    4. Nutrient Transport: Once the water and dissolved nutrients are absorbed by the roots, they are transported upward through the xylem tissue in the plant stem to the leaves and other parts of the plant that need them.

    The specific nutrients a plant requires from the soil include macronutrients like nitrogen, phosphorus, and potassium, as well as micronutrients like iron, zinc, and boron. The availability and balance of these nutrients in the soil is crucial for healthy plant growth and development.

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