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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 ...
Indiangrass thrives in deep, moist, prairie soils, woodland edges and bottomland habitats. In addition to its value as livestock and wildlife forage, Native Americans utilized Indiangrass as ...
The tallgrass prairie, with moderate rainfall and rich soils, were ideally suited to agriculture so it became a productive grain-growing region. The tallgrass prairie ecosystem covered some 170 million acres (690,000 km 2 ) of North America.
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.
According to Theodore Roosevelt:. We have taken into our language the word prairie, because when our backwoodsmen first reached the land [in the Midwest] and saw the great natural meadows of long grass—sights unknown to the gloomy forests wherein they had always dwelt—they knew not what to call them, and borrowed the term already in use among the French inhabitants.
Mollisols: prairie soils formed from calcareous and colluvial parent material, with a dark surface horizon; and; Vertisols: dark clay soils formed typically from basic rocks. In the upper catchment, the dominant soils are Mollisols, Entisols, and Vertisols; the lower catchment soils are predominantly Vertisols, Entisols, and Inceptisols.
Oaks for Small Spaces. Picture an oak and you immediately think of a large, spreading giant. This was a limiting factor at my last house, but I found a way to get an oak into the yard without ...