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  2. Ultisol - Wikipedia

    en.wikipedia.org/wiki/Ultisol

    Ultisol, commonly known as red clay soil, is one of twelve soil orders in the United States Department of Agriculture soil taxonomy. The word "Ultisol" is derived from "ultimate", because Ultisols were seen as the ultimate product of continuous weathering of minerals in a humid, temperate climate without new soil formation via glaciation .

  3. Major soil deposits of India - Wikipedia

    en.wikipedia.org/wiki/Major_soil_deposits_of_India

    Also known as regur soil, black soil is ideal for growing cotton and is known as black cotton soil. They are rich in soil nutrients, such as calcium carbonate, magnesium, potash and lime. These soils are generally poor in phosphoric contents. [1] The black soils are made up of clayey soil, well known for

  4. Rice production in India - Wikipedia

    en.wikipedia.org/wiki/Rice_production_in_India

    It can tolerate alkaline as well as acid soils. However, clayey loam is well suited to the raising of this crop. Actually, the clayey soil can be easily converted into the mud in which rice seedlings can be transplanted easily. Proper care has to be taken as this crop thrives if the soil remains wet and is underwater during its growing years.

  5. Red soil - Wikipedia

    en.wikipedia.org/wiki/Red_soil

    In the uplands of India, the red soils are thin, poor and gravelly, sandy, or stony and porous, light-colored soils on which food crops like bajra can be grown. In contrast, on the lower plains and valleys, they are rich, deep, dark-colored fertile loam which, under irrigation , can produce excellent crops like cotton , wheat , pulses, tobacco ...

  6. Stagnogley - Wikipedia

    en.wikipedia.org/wiki/Stagnogley

    Stagnogley soil English oak near Wilsede, Germany. A stagnogley soil is a type of non-alluvial, non-calcareous soil that is typically loamy or clayey soil with a dense, impervious, subsurface horizon. [1] Stagnogley soils are related to the pseudogleys and are classified as gleyic soils. The name "stagnogley" comes from the soil's gley dynamics.

  7. Ratooning - Wikipedia

    en.wikipedia.org/wiki/Ratooning

    Ratooning is the agricultural practice of harvesting a monocot crop by cutting most of the above-ground portion but leaving the roots and the growing shoot apices intact so as to allow the plants to recover and produce a fresh crop in the next season. This practice is widely used in the cultivation of crops such as rice, sugarcane, banana, and ...

  8. Soil - Wikipedia

    en.wikipedia.org/wiki/Soil

    Loss of soil through urbanization is growing at a high rate in many areas and can be critical for the maintenance of subsistence agriculture. [203] Soil resources are critical to the environment, as well as to food and fibre production, producing 98.8% of food consumed by humans. [204]

  9. Physical properties of soil - Wikipedia

    en.wikipedia.org/wiki/Physical_properties_of_soil

    Soil temperature depends on the ratio of the energy absorbed to that lost. [68] Soil has a mean annual temperature from -10 to 26 °C according to biomes. [69] Soil temperature regulates seed germination, [70] breaking of seed dormancy, [71] [72] plant and root growth [73] and the availability of nutrients. [74]