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| Web URL(s): | http://www.jswconline.org/content/57/3/144.full.pdf+html
Last checked: 10/01/2008
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Access conditions: Item is within a limited-access website
http://www.jswconline.org/content/57/3/144.full.pdf
Last checked: 08/13/2013
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Professional |
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| Author(s): | Kiniry, J. R.;
Sanchez, H.;
Greenwade, J.;
Seidensticker, E.;
Bell, J. R.;
Pringle, F.;
Peacock, G. Jr.;
Rives, J. |
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| Author Affiliation: | Kiniry: Research Agronomist, USDA NRCS, Temple, Texas; Sanchez: Rangeland Management Specialist, USDA NRCS, Temple, Texas; Greenwade: Soil Scientist, USDA NRCS, Temple, Texas; Seidensticker: Soil Conservationist, USDA NRCS, Baytown, Texas; Bell: Retired Rangeland Conservationist, USDA NRCS, Amarillo, Texas; Pringle: Retired Soil Scientist, USDA NRCS, Amarillo, Texas; Peacock: Rangeland Management Specialist, USDA NRCS; Rives: Soil Scientist, USDA NRCS, Pecos, Texas |
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| Title: | Simulating grass productivity on diverse range sites in Texas |
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| Section: | Research
Other records with the "Research" Section
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| Source: | Journal of Soil and Water Conservation. Vol. 57, No. 3, May/June 2002, p. 144-150. |
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| Publishing Information: | Ankeny, IA: Soil and Water Conservation Society |
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| # of Pages: | 7 |
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| Related Web URL: | http://www.jswconline.org/content/57/3/144.abstract
Last checked: 08/13/2013
Notes: Abstract only |
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| Keywords: | TIC Keywords: Grasslands; Rangeland soils; Erosion; Water quality; Dry weight; Models; Biomass; Climate; Productivity
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| Geographic Terms: | Texas |
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| Abstract/Contents: | "Simulation models addressing soil erosion and water quality issues on range sites should realistically simulate grass dry matter yields across a wide diversity of soils and climate regimes. This study was designed to evaluate the ability of the ALMANAC (Agricultural Land Management Alternatives with Numerical Assessment Criteria) model to simulate annual range grass biomass production under diverse climatic conditions and soils in Texas. The objective was to compare range grass production at rangeland ecological sites, as reported in the U.S. Department of Agriculture Natural Resources Conservation Service (USDA NRCS) soil surveys, with production simulated by ALMANAC using the most common grasses for each site. The model was run with 60 years of daily weather data on 20 different soils from a diverse set of sites in Texas. The weather data was from seven sites. Model inputs included paramaters for the soil series, grass species characteristics, and locally measured climate data. After allowing 10 years for the model to equilibrate, means for simulated production for the sites for the next 50 years were similar to reported means. Simulated production in high rainfall years and low rainfall years were also similar to reported values. The soils, climate, and grass parameter data sets developed here can be useful starting points for deriving data for additional range sites, giving model users examples of realistic input data. The model shows promise as a tool for realistically simulating grass production on a diverse group of soils and in diverse climatic conditions." |
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| Language: | English |
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| References: | 15 |
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| Note: | Map
Pictures, b/w
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kiniry, J. R., H. Sanchez, J. Greenwade, E. Seidensticker, J. R. Bell, F. Pringle, et al. 2002. Simulating grass productivity on diverse range sites in Texas. J. Soil Water Conserv. 57(3):p. 144-150. |
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| Web URL(s):
http://www.jswconline.org/content/57/3/144.full.pdf+html
Last checked: 10/01/2008
Requires: PDF Reader
Access conditions: Item is within a limited-access website
http://www.jswconline.org/content/57/3/144.full.pdf
Last checked: 08/13/2013
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 622 .J65 |
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