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Mollisol is a soil type which has deep, high organic matter, nutrient-enriched surface soil , typically between 60 and 80 cm (24-31 in) in depth. This fertile surface horizon, called a mollic epipedon, is the defining diagnostic feature of Mollisols.
The soils, mostly Vertisols and Mollisols, are deep, loamy and clayey, and tend to be finer-textured than in the Lower Rio Grande Valley (34e) to the north. Some Entisols and Inceptisols occur near the river. The floodplain ridges once had abundant palm trees, and early Spanish explorers called the river "Rio de las Palmas." Most large palm ...
Mature Indiangrass is a bunchgrass ranging from 3- to 8-feet tall with short rhizomes, smooth stalks with hairy nodes, and 10– to 20-inch, flat, blue-green to green leaves.
In Iowa, forest soils and alfisols formed on the paha, while prairie soils and mollisols formed on the surrounding landscape. [11] Most paha are still covered with trees or grazed while the surrounding landscape is in European-style agriculture.
This is a large area covering 407,000 square kilometres (157,000 sq mi) from northern Illinois through most of Missouri, eastern Kansas, Oklahoma and into Texas.This area was traditionally a mixture of woodland and tall grass prairie, which as the soil consists of highly fertile mollisols, most of the area has been converted to farmland.
The tallgrass prairie ecosystem covered some 170 million acres (690,000 km 2) of North America. Besides agriculture, much of the shortgrass prairie became grazing land for domestic livestock . Short grasslands occur in semi-arid climates while tall grasslands are in areas of higher rainfall.
Mixed prairie are the lighter and more sandy soils, found on the heights. The dominant plants are the needle and thread grass , western wheatgrass , Junegrass , along with short grass plants. There is a wider mix of vegetation which becomes more noticeable in spring and early summer when broom snakeweed , fringed sage , plus various forbs ...
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