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  2. Chernozem - Wikipedia

    en.wikipedia.org/wiki/Chernozem

    Chernozem (/ ˈ tʃ ɜːr n ə z ɛ m / CHUR-nə-zem), [a] also called black soil, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus [3] (4% to 16%) and high percentages of phosphorus and ammonia compounds. [4] Chernozem is very fertile soil and can produce high agricultural yields with its high ...

  3. Asian bush honeysuckle is one of Indiana's most common ... - AOL

    www.aol.com/asian-bush-honeysuckle-one-indianas...

    Asian bush honeysuckle can choke out native plants and destroy natural food sources for birds and wildlife.

  4. Terra preta - Wikipedia

    en.wikipedia.org/wiki/Terra_preta

    Terra preta (Portuguese pronunciation: [ˈtɛʁɐ ˈpɾetɐ], literally "black soil" in Portuguese), also known as Amazonian dark earth or Indian black earth, is a type of very dark, fertile anthropogenic soil found in the Amazon Basin.

  5. Soil classification - Wikipedia

    en.wikipedia.org/wiki/Soil_classification

    Soil texture triangle showing the USDA classification system based on grain size. For soil resources, experience has shown that a natural system approach to classification, i.e. grouping soils by their intrinsic property (soil morphology), behaviour, or genesis, results in classes that can be interpreted for many diverse uses.

  6. List of U.S. state soils - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_soils

    A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds .

  7. Topsoil - Wikipedia

    en.wikipedia.org/wiki/Topsoil

    Intensive farming methods to satisfy high food demands with high crop yields and growing crops in monocultures can deplete the soil nutrients and damage the soil microbiome. These factors can affect the consistency and quality of the soil resulting in increased erosion. Surface runoff from farm fields is a type of nonpoint source pollution.

  8. Black soil - Wikipedia

    en.wikipedia.org/wiki/Black_soil

    Black soil may refer to: Chernozem, fertile black soils found in eastern Europe, Russia, India and the Canadian prairies; Muck (soil), a soil made up primarily of humus from drained swampland; Vertisol, dark cracking soils with a high clay; Terra preta, "black earth" or soil of the Amazon river basin

  9. Soil formation - Wikipedia

    en.wikipedia.org/wiki/Soil_formation

    Soil formation, also known as pedogenesis, is the process of soil genesis as regulated by the effects of place, environment, and history. Biogeochemical processes act to both create and destroy order within soils.

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