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Soil peds should be described when the soil is dry or slightly moist, as they can be difficult to distinguish when wet. [1] An artificially formed aggregate of soil particles can be called a clod. [2] There are five major classes of macrostructure seen in soils: platy, prismatic, columnar, granular, and blocky. There are also structureless ...
Soil bulk density, when determined at standardized moisture conditions, is an estimate of soil compaction. [3] Soil porosity consists of the void part of the soil volume and is occupied by gases or water. Soil consistency is the ability of soil materials to stick together. Soil temperature and colour are self-defining.
Soil morphology is the branch of soil science dedicated to the ... Structure is often best evaluated while the soil is relatively dry, as peds may swell with moisture ...
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.
The formation of soil aggregates (or so-called secondary soil particles or peds) occurs due to interactions of primary soil particles (i.e., clay) through rearrangement, flocculation and cementation. Aggregate stability has a direct impact on soil pore size distribution, which affects soil water retention and water movement in soil, therefore ...
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Soil Profile on Chalk at Seven Sisters Country Park, England. Pedology (from Greek: πέδον, pedon, "soil"; and λόγος, logos, "study") is a discipline within soil science which focuses on understanding and characterizing soil formation, evolution, and the theoretical frameworks for modeling soil bodies, often in the context of the natural environment. [1]
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