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  2. Active layer - Wikipedia

    en.wikipedia.org/wiki/Active_layer

    If the winter temperature is below the freezing point of water, a frost front will form in the soil. This "frost front" is the boundary between frozen and unfrozen soil, and with the coming of spring and summer, the soil is thawed, always from the top down. If the heating during summer exceeds the cooling during winter, the soil will be ...

  3. Thaw depth - Wikipedia

    en.wikipedia.org/wiki/Thaw_depth

    In soil science, the thaw depth or thaw line is the instantaneous level down to which the soil has warmed to zero degrees Celsius. The active layer thickness is the maximum thaw depth over a period of two years. The layer of soil over the thaw depth is called the active layer, while the soil below is called permafrost.

  4. Soil fertility - Wikipedia

    en.wikipedia.org/wiki/Soil_fertility

    The quality of irrigation water is very important to maintain soil fertility and tilth, and for using more soil depth by the plants. [26] When soil is irrigated with high alkaline water, unwanted sodium salts build up in the soil which would make soil draining capacity very poor.

  5. Physical properties of soil - Wikipedia

    en.wikipedia.org/wiki/Physical_properties_of_soil

    Soil temperature has important seasonal, monthly and daily variations, fluctuations in soil temperature being much lower with increasing soil depth. [75] Heavy mulching (a type of soil cover) can slow the warming of soil in summer, and, at the same time, reduce fluctuations in surface temperature. [76]

  6. 12 Vegetables to Plant in Late Summer for a Delicious Fall ...

    www.aol.com/lifestyle/12-vegetables-plant-summer...

    Extend your edible harvests by planting fast-growing and cold-hardy vegetables right now. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...

  7. Stratification (seeds) - Wikipedia

    en.wikipedia.org/wiki/Stratification_(seeds)

    Warm stratification requires temperatures of 15–20 °C (59–68 °F). In many instances, warm stratification followed by cold stratification requirements can also be met by planting the seeds in summer in a mulched bed for expected germination the following spring. Some seeds may not germinate until the second spring. [citation needed]

  8. 'Foodscaping' slips vegetables in among the flowers for ... - AOL

    www.aol.com/news/foodscaping-slips-vegetables...

    using vegetables to add color, texture Vining sweet potatoes are beautiful plants with lush, heart-shaped leaves. They grow quickly to fill bare spots and can be used as an annual groundcover.

  9. Redoximorphic features - Wikipedia

    en.wikipedia.org/wiki/Redoximorphic_features

    Redoximorphic features (RMFs) consist of color patterns in a soil that are caused by loss (depletion) or gain (concentration) of pigment compared to the matrix color, formed by oxidation/reduction of iron and/or manganese coupled with their removal, translocation, or accrual; or a soil matrix color controlled by the presence of iron (2+) [1] The composition and responsible formation processes ...

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