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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/63/5/AJ0630050708
Last checked: 12/09/2016
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| Publication Type:
| Refereed |
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| Author(s): | Langdale, G. W.;
Thomas, J. R. |
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| Author Affiliation: | Research Soil Scientists, United States Department of Agriculture, Weslaco, Texas |
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| Title: | Soil salinity effects on absorption of nitrogen, phosphorus, and protein synthesis by coastal bermudagrass |
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| Source: | Agronomy Journal. Vol. 63, No. 5, September/October 1971, p. 708-711. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| # of Pages: | 4 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/63/5/AJ0630050708
Last checked: 12/09/2016
Access conditions: Item is within a limited-access website
Notes: Abstract only |
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| Keywords: | TIC Keywords: Soil salinity; Nitrogen; Nitrogen-phosphorus fertilizers; Tissue testing; Phosphorus; Nutrient uptake; Cynodon dactylon; Biosynthesis; Fertilization rates; Proteins; Dry weight
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| Abstract/Contents: | "The interaction of artificially salinized soil and N-P fertilization on dry-matter production and protein synthesis of coastal bermudagrass [Cynodon dactylon (L.) Pers.] was studied in a greenhouse environment. Saline solutions were prepared in concentration multiples with the same ionic ratios as the available irrigation water to develop four treatments with electrical conductivities (EC) of 0, 4.8, 9.6, and 14.4 mmhos/cm. After saline-water equilibration of a Brennan fine sandy loam soil (Typic Haplustalf), fertilizer treatments were applied in a factorial arrangement with N rates of 0, 67, 133, and 200 mg/kg soil and P rates of 0, 20, 40, and 60 mg/kg of soil. No response was obtained from P fertilization. Significant interactions occurred for both dry-matter and protein-N yields with soil salinity and N supply treatments. Soil salinities of 5.3 and 6.6 mmhos/cm yielded the most dry matter and protein N, respectively, in the presence of N fertilizer. Reduction in soluble N (nonprotein) occurred at the most efficient levels of protein-N synthesis. Although N requirements decreased as soil salinity increased, N fertilization offset effects of salinity up to 9.6 mmhos/cm. Dry-matter and protein syntheses were seriously restricted at the 14.4 mmhos/cm salinity level; however, salinity levels did not restrict N absorption by coastal bermudagrass." |
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| Language: | English |
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| References: | 18 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Langdale, G. W., and J. R. Thomas. 1971. Soil salinity effects on absorption of nitrogen, phosphorus, and protein synthesis by coastal bermudagrass. Agron. J. 63(5):p. 708-711. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/63/5/AJ0630050708
Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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