FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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prairie soil
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glacial till
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alluvium
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topography
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physical weathering
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Detailed explanation-1: -Chernozem Soils: Associated with steppe or prairie vegetation, these soils have a deep dark layer rich in humus and a calcium-rich horizon deep in the profile.
Detailed explanation-2: -Most of the prairie soils are called Mollisols (latin for soft), because of their deep, dark layer of topsoil.
Detailed explanation-3: -In grassland (prairie) soils the dark color permeates through the surface layers bringing with it nutrients and high fertility (Kansas State Soil). Deeper in the soil, the organic pigment coats surfaces of soil, making them darker than the color inside.
Detailed explanation-4: -noun. : any of a zonal group of soils developed in a temperate relatively humid climate under tall grass.
Detailed explanation-5: -Soil colour is usually due to 3 main pigments: black-from organic matter. red-from iron and aluminium oxides. white-from silicates and salt.