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  2. Lawn aerator - Wikipedia

    en.wikipedia.org/wiki/Lawn_aerator

    Core aeration is suitable for heavy clay soils, and spike aeration is more suited to sandy or loamy soils. Powered aerator vs. manual aerator. Powered core aerator in use. Powered aerators employ the power from ground propulsion to drive multiple tines into ground. The machines can aerate a large lawn in a relatively short time (similar to ...

  3. Soil aeration - Wikipedia

    en.wikipedia.org/wiki/Soil_aeration

    Plug/core lawn aerator. Soil aeration is the mechanism of improving the exchange of gases between the atmosphere and soil. Through soil microbial activity and plant root respiration , certain gases such as oxygen will be depleted in the soil, while others, such as carbon dioxide, will build up in the soil. [ 1 ]

  4. Linear aeration - Wikipedia

    en.wikipedia.org/wiki/Linear_aeration

    Linear aeration is an aeration process that allows water to penetrate the soil and to be retained in the proper amounts. [1] Additionally, it can also add organic nutrition and soil softeners (such as humus , topsoil , compost , sand or clay ) if necessary.

  5. Snow hydrology - Wikipedia

    en.wikipedia.org/wiki/Snow_hydrology

    Snow Depth-This is a measurement from the snow surface to the ground in meters. It is commonly does over a large time span using immobile graduated stakes. Snow Water Equivalency - A measuring tool which represents the vertical depth of water that would accumulate in an area, if all the snow and ice were melted in that given area.

  6. Snow gauge - Wikipedia

    en.wikipedia.org/wiki/Snow_gauge

    While the depth of snow is normally measured in centimetres, the measurement of melted snow (water equivalent) is in millimetres. [citation needed] An estimate of the snow depth can be obtained by multiplying the water equivalent by a factor of 10.

  7. Tillage - Wikipedia

    en.wikipedia.org/wiki/Tillage

    Primary tillage is usually conducted after the last harvest, when the soil is wet enough to allow plowing but also allows good traction. Some soil types can be plowed dry. The objective of primary tillage is to attain a reasonable depth of soft soil, incorporate crop residues, kill weeds, and to aerate the soil.

  8. Aeration - Wikipedia

    en.wikipedia.org/wiki/Aeration

    Aeration (also called aerification or aeriation) is the process by which air is circulated through, mixed with or dissolved in a liquid or other substances that act as a fluid (such as soil). Aeration processes create additional surface area in the mixture, allowing greater chemical or suspension reactions.

  9. Snowboard (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Snowboard_(meteorology)

    All snow is cleaned from the snowboard once every 6 hours. [ 4 ] [ 5 ] At the end of the snow event, the maximum depths recorded on the snowboard during each 6-hour period are summed to provide the storm total; the same measurements during a single day are summed to produce the daily snowfall total.

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