Soil

Surface-water-gley developed in glacial till in Northern IrelandSoil measuring and surveying deviceA, B, and C represent the soil profile, a notation firstly coined by Vasily Dokuchaev (1846–1903), the father of pedology. Here, A is the topsoil; B is a regolith; C is a saprolite (a less-weathered regolith); the bottom-most layer represents the bedrock.A soil texture triangle plot is a visual representation of the proportions of sand, silt, and clay in a soil sample.DesertificationErosion control

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