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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/30/2/440
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| Publication Type:
| Refereed |
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| Author(s): | Quiroga-Garza, Héctor Mario;
Picchioni, Geno A.;
Remmenga, Marta D. |
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| Author Affiliation: | Quiroga-Garza: Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Torreón, México; Picchioni: Department of Agronomy and Horticulture; Remmenga: Department of Economics and International Business, New Mexico State University, Las Cruces, New Mexico |
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| Title: | Bermudagrass fertilized with slow-release nitrogen sources. I. Nitrogen uptake and potential leaching losses |
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| Column Name: | Ground water quality
Other records with the "Ground water quality" Column
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| Section: | Technical reports
Other records with the "Technical reports" Section
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| Source: | Journal of Environmental Quality. Vol. 30, No. 2, March/April 2001, p. 440-448. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Cynodon dactylon; Cynodon transvaalensis; Nitrogen fertilizers; Slow-release fertilizers; Nitrogen uptake; Leaching; Urea; Sulfur-coated urea; Application rates; Clippings
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| Cultivar Names: | Tifgreen |
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| Trade Names: | Hydroform |
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| Abstract/Contents: | "With the objectives of analyzing N recovery and potential N losses in the warm-season hybrid bermudagrass 'Tifgreen' [Cynodon dactylon (L.) Pers. X C. transvaalensis Burtt-Davy], two greenhouse studies were conducted. Plugs were planted in PVC cylinders filled with a modified sandy growing medium. Urea (URE), sulfer-coated urea (SCU), and Hydroform (HYD) (Hydro Agri San Francisco, Redwood City, CA) were broadcast at rates of 100 and 200 kg N ha-1 every 20 and 40 d. The grass was clipped three times every 10 d and analyzed for N concentration and N yield. In addition, leachates were analyzed for NO3-N. Use of the least soluble source, HYD, resulted in the lowest average clipping N concentration and N yield, as compared with SCU and URE. Clipping N concentration and N yield showed a cyclic pattern through time, particularly under long-day (>12 h) conditions. When the photocopied decreased below 12 h, leachate NO3-N concentration exceeded the standard limit for drinking water (10 mg L-1) by 10 to 19 times with the high SCU and URE application rate and frequency. However, leaching N losses represented a minimal fraction (<1%) of the total applied N. More applied N was recovered in plant tissues using SCU and URE (89.5%) than using HYD (64.1%), with more than 52% of applied N accumulating in clippings. Highly insoluble N sources such as HYD decrease N leaching losses by may limit bermudagrass growth and quality. Risks of NO3-N losses in bermudagrass can be avoided by proper fertilization and irrigation programs, even when a highly soluble N source is used." |
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| Language: | English |
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| References: | 25 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Quiroga-Garza, H. M., G. A. Picchioni, and M. D. Remmenga. 2001. Bermudagrass fertilized with slow-release nitrogen sources. I. Nitrogen uptake and potential leaching losses. J. Environ. Qual. 30(2):p. 440-448. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/30/2/440
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/30/2/440
Last checked: 11/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 900 .J6 |
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