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  2. Soil contamination - Wikipedia

    en.wikipedia.org/wiki/Soil_contamination

    Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment.

  3. Soil - Wikipedia

    en.wikipedia.org/wiki/Soil

    Surface-water-gley developed in glacial till in Northern IrelandSoil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support the life of plants and soil organisms.

  4. Soil compaction (agriculture) - Wikipedia

    en.wikipedia.org/wiki/Soil_compaction_(agriculture)

    Soil compaction is not a recent issue. Before the beginning of mechanized agriculture, the usage of plough-pans was associated with soil compaction. [6] However, multiple studies have shown that modern farming techniques increase the risk of harmful soil compaction.

  5. Contamina - Wikipedia

    en.wikipedia.org/wiki/Contamina

    Contamina used to lie on the Camino Real, the royal highway to Madrid, and in the Middle Ages was the location of stables for royal post horses. In 1361 king Pedro IV gave the manor of Contamina to Pedro Carrillo. In 1646 Contamina was granted by king Felipe IV to Sr. Juan Fernandez de Heredia of Cetina, who became Conde de Contamina. [7]