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  2. Used coffee grounds - Wikipedia

    en.wikipedia.org/wiki/Used_coffee_grounds

    The dry coffee grounds contain significant amounts of potassium (11.7 g/kg), nitrogen (27.9 g/kg), magnesium (1.9 g/kg), and phosphorus (1.8 g/kg). [5] The quantity of caffeine remaining in used coffee grounds is around 48% of that in fresh coffee grounds. [6] There are significantly less tannins in used coffee grounds than fresh coffee grounds ...

  3. Soil salinity - Wikipedia

    en.wikipedia.org/wiki/Soil_salinity

    Soil salinity is the salt content in the soil; the process of increasing the salt content is known as salinization. [1] Salts occur naturally within soils and water. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean.

  4. Soil conservation - Wikipedia

    en.wikipedia.org/wiki/Soil_conservation

    This can involve adding crushed rock or chemical soil supplements. In either case the purpose is to combat mineral depletion. A broad range of minerals can be used, including common substances such as phosphorus and more exotic substances such as zinc and selenium. Extensive research examines the phase transitions of minerals in soil with ...

  5. Crop tolerance to seawater - Wikipedia

    en.wikipedia.org/wiki/Crop_tolerance_to_seawater

    Liu Shiping's team at Yangzhou University created rice varieties that can be grown in salt water, and achieve yields of 6.5 to 9.3 tons per hectare. [ 13 ] [ 14 ] As of 2021, seawater rice had been planted on 400,000 ha (990,000 acres) in soils with up to 4 grams of salt per kilogram, with yields averaging 8.8 tons per hectare, according to ...

  6. These Salty Snack Recipes Will Satisfy Every Craving You've ...

    www.aol.com/20-salty-snacks-recipes-saying...

    We've got 20 recipes for salty snacks you're sure to love. ... And I've got some killer recipes for you. ... The best heated coffee mugs of 2025. AOL.

  7. Soil salinity control - Wikipedia

    en.wikipedia.org/wiki/Soil_salinity_control

    The salt concentration Cp can be taken as a part of the salt concentration of the soil in the unsaturated zone (Cu) giving: Cp = Le.Cu, where Le is the leaching efficiency. The leaching efficiency is often in the order of 0.7 to 0.8, [14] but in poorly structured, heavy clay soils it may be less.

  8. Distichlis spicata - Wikipedia

    en.wikipedia.org/wiki/Distichlis_spicata

    Distichlis spicata thrives along coastlines and on salt flats and disturbed soils, as well as forest, woodland, montane, and desert scrub habitats. It can form dense monotypic stands, and it often grows in clonal colonies. Non-clonal populations tend to be skewed toward a majority of one sex or the other. The grass forms sod with its hearty ...

  9. Hoagland solution - Wikipedia

    en.wikipedia.org/wiki/Hoagland_solution

    The artificial solution described by Dennis Hoagland in 1933, [1] known as Hoagland solution (0), has been modified several times, mainly to add ferric chelates to keep iron effectively in solution, [6] and to optimize the composition and concentration of other trace elements, some of which are not generally credited with a function in plant nutrition. [7]