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Different Soils in Texas


    • Alfisol is found throughout Texas, though it tends to congregate in the upper north regions of Texas and the eastern side of the state. Alfisols tend to develop under temperate forests in humid climates. According to the University of Idaho, alfisols are very fertile soil, making them good for agricultural uses.


    • Much of the western side of Texas is comprised of aridisols. Aridisol soils are very dry and sandy. They typically cannot grow plants or serve other agricultural purposes because of the soil's desert-like quality. If irrigation water is available, however, people can use aridisols to grow plants and food, according to the University of Idaho.


    • According to Texas A&M, only a small area located in the northeast region of Texas consists of entisols. Essentially, an entisol soil class is very diverse in terms of its overall composition. The entisol class is like a "miscellaneous" class of soil in that a soil is characterized as an entisol if it does not fit into one of the other 11 classes.


    • Inceptisols are not very common in Texas. According to the Texas A&M soil data map, inceptisols only exist in the north-central and deep southern parts of Texas. This type of soil is similar to the entisol and typically exist on steep slopes and in mountainous areas.


    • Like alfisols, mollisol soils are found throughout Texas. However, the majority of mollisols tend to appear in central Texas. According to the University of Wisconsin at Stevens Point, mollisols are some of the most fertile soils on the planet. This type of soil is rich in nutrients and retains moisture well.


    • The eastern part of Texas contains ultisol soils. This type of soil is often reddish or yellow and has a high concentration of iron or aluminum. According to the University of Idaho, ultisols have low fertility and primarily appear in humid and tropical areas.


    • Strewn thinly through the middle of Texas and found on the lower southwest and southeast portions of the state is a soil classified as vertisol. Vertisols shrink and swell depending on the moisture content. When dry, the soil shrinks and develops cracks. Vertisols are comprised of heavy clay.

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