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The Texas Blackland Prairies are a temperate grassland ecoregion located in Texas that runs roughly 300 miles (480 km) from the Red River in North Texas to San Antonio in the south. The prairie was named after its rich, dark soil. [3] Less than 1% of the original Blackland prairie vegetation remains, scattered across Texas in parcels. [4]
In 1978, Swiss soil biologist Dr Otto Buess wrote an essay "The Health of Soil and Plants" which largely defines the field even today. The underlying principle in the use of the term "soil health" is that soil is not just an inert, lifeless growing medium, which modern intensive farming tends to represent, rather it is a living, dynamic and ...
Texas is approximately bisected by a series of faults that trend southwest to northeast across the state, from the area of Uvalde to Texarkana.South and east of these faults, the surface exposures consist mostly of Cenozoic sandstone and shale strata that grow progressively younger toward the coast, indicative of a regression that has continued from the late Mesozoic to the present.
Houston black soil extends over 1,500,000 acres (6,100 km 2) of the Texas blackland prairies and is the Texas state soil. The series is composed of expansive clays and is considered one of the classic vertisols. [1] Houston black soils are used extensively for grain sorghum, cotton, corn, small grain, and forage grasses.
In 1994 the national forests alone in Texas produced 93.8 million board feet (221,000 m 3) of timber, providing US$73.1 million (US$150 million in today's terms) in income and 2,098 jobs. [36] In 1992 the timber companies in the state produced more than 1,250 million board feet (2,900,000 m 3 ) and in 1997 they produced more than 1,370 million ...
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 .
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The 1950s Texas drought was a period between 1949 and 1957 in which the state received 30 to 50% less rain than normal, while temperatures rose above average. During this time, Texans experienced the second-, third-, and eighth-driest single years ever in the state – 1956, 1954, and 1951, respectively. [ 1 ]