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This is a list of U.S. state soils. A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds.
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 .
Gumbo soil is typically defined by the overwhelming presence of very fine particles of clay, but often has small amounts of sand and/or organic material. [1]Although gumbo soils are exceptional at water retention, they can be difficult to farm, as precipitation will turn gumbo into a unique muddy mess that is challenging to work using large commercial farming equipment.
In soil science, agriculture and gardening, hardpan or soil pan is a dense layer of soil, usually found below the uppermost topsoil layer. [1] There are different types of hardpan, all sharing the general characteristic of being a distinct soil layer that is largely impervious to water. Some hardpans are formed by deposits in the soil that fuse ...
The fertile Mesilla Valley extends from Radium Springs, New Mexico, to the west side of El Paso, Texas. [1] The valley is characterized by its few remaining bosques, as well as its native cottonwood trees, and increasingly, by invasive tamarisk, which was introduced in the late 19th century, and is known locally as salt cedar.
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Montmorillonite clay is added to some dog and cat foods as an anti-caking agent and because it may provide some resistance to environmental toxins, though research on the subject is not yet conclusive. [13] In a fine powder form, it can also be used as a flocculant in ponds. Tossed on the surface as it drops into the water, making the water ...
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