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51 - 75 of 485 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
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The Rio Grande aquifer system in westernmost Texas corresponds to the eastern part of the Southwest alluvial basins aquifer system, which is a large system of aquifers in alluvial basins in the southwestern United States and Mexico. These aquifers...
1996-05-07
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2013-12-03
2013-12-03 2024-05-07 |
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2013-12-02
2013-12-02 2024-05-07 |
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2013-11-26
2013-11-26 2024-05-07 |
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Geochemical and microbiological evidence indicates that viable microorganisms produce and consume volatile organic acids (VOA) in the Yegua formation. Acetic and propionic acid concentrations in mudstones range from 200 to 1270 and 20 to 38...
2011-07-07
2011-07-07 2024-05-07 |
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The Irrigation Training Program is a collaborative effort between the Texas Water Resources Institute, a unit of Texas A&M AgriLife; the Texas State Soil and Water Conservation Board; and the United States Department of Agriculture Natural...
2011-07-05
2011-07-05 2008-10-01 |
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Agriculture is a major income-producing sector in the Texas economy and a large part of this economic activity originates in irrigated crop production. For example, in 1973, 50% of all grain sorghum and 46% of all cotton in Texas were produced on...
2011-07-01
2011-07-01 1976-06-01 |
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Agriculture is a major income generating sector of the Texas economy. Irrigated agriculture is an important part of Texas agriculture and an "adequate" water supply is important in maintaining a viable agriculture. Irrigation water is important...
2011-07-01
2011-07-01 1974-08-01 |
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The development and use of land and water resources has been and will continue to be significantly affected by institutions--legal, cultural, economic, political and religious. Institutions are the organizing and directing mechanisms by which we...
2011-06-30
2011-06-30 1971-03-01 |
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Proper training of watershed coordinators and water professionals is needed to ensure that watershed protection
efforts are adequately planned, coordinated and implemented. To provide this training, the Texas Watershed
Planning Short Course was...
2011-01-07
2011-01-07 2010-08-01 |
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2010-05-25
2010-05-25 2024-05-07 |
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Population expansion and water shortfalls have placed the Texas Lower Rio Grande Valley (Valley) center stage in water publicity. The unique characteristics and lack of public knowledge on how irrigation districts divert and convey water from the...
2009-01-09
2009-01-09 2007-12-01 |
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Public concern over the potential effects of energy price increases on the U.S. food and fiber system has been dramatically justified in the Trans Pecos region of Texas where a 450 percent increase in the price of natural gas was followed by the...
2007-12-07
2007-12-07 1979-03-01 |
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Irrigation is a major contributing factor in crop production on the Texas High Plains. It is responsible for greatly increasing crop production and farm income for the region. Two factors, a declining groundwater supply and increasing production...
2007-12-05
2007-12-05 1980-05-01 |
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The chief sources of groundwater for the Texas Winter Garden are the Carrizo (Dimmit, Zavala, Frio, and LaSalle Counties) and Edwards (Uvalde County) Aquifers. The major user of groundwater in the region is irrigation. However, insufficient...
2007-11-30
2007-11-30 1983-02-01 |
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Furrow diking is a practical, efficient and low-cost technique to conserve water and increase crop yields. Improvements in diker design and the increased use of herbicides have resulted in the rapid spread of furrow diking in the Texas High Plains...
2007-11-30
2007-11-30 1988-07-01 |
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A 23-site monitoring well network located in the Trinity Aquifer region of Central Texas, with all wells penetrating the Middle Trinity Aquifer, was used with available values of aquifer storativity and specific yield to estimate recharge to the...
2007-11-28
2007-11-28 2001-10-01 |
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During the past 150 years, several Texas watersheds have undergone significant changes that affect land use, the amount of water flowing through these systems, water quality, and the numbers and types of fish and aquatic species that live in...
2007-11-20
2007-11-20 2003-12-01 |
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This study presents an economic analysis of agricultural benefits attributable to a
proposed drainage project which includes on farm systems, laterals (ditches) and major canals
designed to lower the groundwater table and provide an outlet for...
2007-11-14
2007-11-14 2024-05-07 |
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2010-01-11
2010-01-11 1999-12-01 2010-01-11 |
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Aquatic life use designations dictate the level of protection streams receive in accordance with the
surface water quality standards prepared by the Texas Natural Resource Conservation Commission.
Streams can be assigned one of four aquatic life...
2009-11-24
2009-11-24 2002-06-01 2009-11-24 |
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A regionalization of the Index of Biotic Integrity (IBI) for Texas' wadeable streams based on samples from 62 least disturbed streams in 11 of the 12 ecoregions in Texas. Scoring criteria were developed.
2002-06-01
2008-11-18 2008-11-18 2002-06-01 2008-11-18 |
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The tamal, a filled cornmeal dumpling, is perhaps one of the most versatile items in the Mexican menu and is an iconic symbol of Mexican cuisine. A pre-Hispanic culinary staple, the tamal continues among all levels of Mexican society, and the...
2010 (iso8601)
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