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Soil salinity is the salt content in the soil; the process of increasing the salt content is known as salinization. [1] Salts occur naturally within soils and water. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean.
The standard for the determination of soil salinity is from an extract of a saturated paste of the soil, and the EC is then written as ECe. The extract is obtained by centrifugation. The salinity can more easily be measured, without centrifugation, in a 2:1 or 5:1 water:soil mixture (in terms of g water per g dry soil) than from a saturated paste.
One of the first studies made on soil salinity and plant response was published in the USDA Agriculture Handbook No. 60, 1954. [4] More than 20 years later Maas and Hoffman published the results of an extensive study on salt tolerance. [5] In 2001, a Canadian study provided a substantial amount of additional data. [6]
Texas is a major agricultural state, with crops like cotton, rice, and livestock requiring significant amounts of water for irrigation. Additionally, the state's oil and gas industry (including ...
Edwards and Trinity Aquifers map. The Edwards Aquifer is one of the most prolific artesian aquifers in the world. [2] Located on the eastern edge of the Edwards Plateau in the U.S. state of Texas, it is the source of drinking water for two million people, and is the primary water supply for agriculture and industry in the aquifer's region.
Secondary salinity is a direct result of human interaction with the land, during development, agriculture and irrigation. Certain land practices have led to changes in the natural structure of the biosphere resulting in excess salting of the land, waterways and soils; thus having detrimental effects on biodiversity and the lands' productivity .
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The cattle business in Texas is worth an estimated $15.5 billion, making it by far the most profitable agricultural commodity in the state, according to the state’s Department of Agriculture.