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  2. Moisture stress - Wikipedia

    en.wikipedia.org/wiki/Moisture_stress

    Moisture stress is a form of abiotic stress that occurs when the moisture of plant tissues is reduced to suboptimal levels. Water stress occurs in response to atmospheric and soil water availability when the transpiration rate exceeds the rate of water uptake by the roots and cells lose turgor pressure .

  3. Vapour-pressure deficit - Wikipedia

    en.wikipedia.org/wiki/Vapour-pressure_deficit

    Vapour pressure-deficit, or VPD, is the difference (deficit) between the amount of moisture in the air and how much moisture the air can hold when it is saturated. Once air becomes saturated, water will condense to form clouds, dew or films of water over leaves. It is this last instance that makes VPD important for greenhouse regulation. If a ...

  4. Soil moisture - Wikipedia

    en.wikipedia.org/wiki/Soil_moisture

    [20] [22] Once the available water is used up the remaining moisture is called unavailable water as the plant cannot produce sufficient suction to draw that water in. Wilting point The wilting point is the minimum amount of water plants need to not wilt and approximates the boundary between available and unavailable water. By convention it is ...

  5. Absorption of water - Wikipedia

    en.wikipedia.org/wiki/Absorption_of_water

    Absorption of water-Plants generally absorb capillary water from the soil through their roots. The diffusion pressure deficit in a cell of a leaf is developed because of transpiration then water from the adjacent cell moves towards the cell in the same way diffusion pressure deficit is developed in the second cell and water moves to it from the ...

  6. Water retention curve - Wikipedia

    en.wikipedia.org/wiki/Water_retention_curve

    Water retention curve is the relationship between the water content, θ, and the soil water potential, ψ. The soil moisture curve is characteristic for different types of soil, and is also called the soil moisture characteristic. It is used to predict the soil water storage, water supply to the plants (field capacity) and soil aggregate stability.

  7. Leaf sensor - Wikipedia

    en.wikipedia.org/wiki/Leaf_sensor

    The agriculture sustainability benefits of water and energy savings have been established using the SG-1000 leaf sensor under field conditions and in greenhouses. Plant science researchers and agronomists have utilized the SG-1000 Leaf Sensor for studying the relationship between water content and leaf cell turgidity potential and leaf thickness.

  8. Dermatologists Agree: These Shampoos Can Give You Wavy Hair

    www.aol.com/dermatologists-agree-shampoos-wavy...

    Moisture overload is a very serious threat to wavy hair. While it’s important to hydrate your strands, too much moisture can make your waves go limp. ... a desert plant that is known for ...

  9. Permanent wilting point - Wikipedia

    en.wikipedia.org/wiki/Permanent_wilting_point

    The concept was introduced in the early 1910s. Lyman Briggs and Homer LeRoy Shantz (1912) proposed the wilting coefficient, which is defined as the percentage water content of a soil when the plants growing in that soil are first reduced to a wilted condition from which they cannot recover in approximately saturated atmosphere without the addition of water to the soil.

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