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| DOI: | 10.1080/01904160601054825 |
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| Web URL(s): | http://www.tandfonline.com/doi/full/10.1080/01904160601054825
Last checked: 10/31/2013
Access conditions: Item is within a limited-access website
http://www.tandfonline.com/doi/pdf/10.1080/01904160601054825
Last checked: 10/31/2013
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Report |
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| Author(s): | Butler, Twain J.;
Muir, James P.;
Provin, Tony L. |
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| Author Affiliation: | Butler: The Samuel Roberts Noble Foundation, Ardmore, Oklahoma; Muir: Texas Agricultural Experiment Station, A&M University Research and Extension Center, Stephenville, Texas; Provin: Soil and Crop Science Department, Texas A&M University, College Station, Texas |
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| Title: | Phosphorus fertilization of annual ryegrass and comparison of soil phosphorus extractants |
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| Source: | Journal of Plant Nutrition. Vol. 30, No. 1, 2007, p. 9-20. |
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| Publishing Information: | New York, New York: Marcel Dekker, Inc. |
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| # of Pages: | 12 |
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| Related Web URL: | http://www.tandfonline.com/doi/abs/10.1080/01904160601054825#.UnfnohDOR8F
Last checked: 11/04/2013
Notes: Abstract only |
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| Keywords: | TIC Keywords: Climatic factors; Cultivar evaluation; Lolium multiflorum; Phosphorus fertilizers; Yield
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| Cultivar Names: | TAM90 |
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| Abstract/Contents: | "It is unclear how much phosphorus (P) fertilizer is needed to maximize annual ryegrass (Lolium multiflorum Lam.cv. 'TAM90') forage yield and nutritive value in lower-rainfall climates. It is equally unclear which soil-P extractant is most effective when making P fertilization decisions. A 3-yr field study addressed these issues using small replicated plots during the winter months in north-central Texas. The addition of P increased yields every year of the trial, but optimum levels depended on rainfall distribution: 19 kg P ha -1 yr -1 was optimum two years, while 28 kg P ha -1 yr -1 increased yields 51% the year with good mid-season moisture. The addition of P fertilizer did not increase forage crude protein or affect fiber concentrations but did increase P yields. Percent relative yield of ryegrass was correlated with Mehlich III soil test P, soil pH, and P application rate. Conversely, the acidified NH4OAc-EDTA soil P extractant failed to relate to percent relative yield." |
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| Language: | English |
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| References: | 25 |
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| Note: | Equations
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Butler, T. J., J. P. Muir, and T. L. Provin. 2007. Phosphorus fertilization of annual ryegrass and comparison of soil phosphorus extractants. J. Plant Nutr. 30(1):p. 9-20. |
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| DOI: 10.1080/01904160601054825 |
| Web URL(s):
http://www.tandfonline.com/doi/full/10.1080/01904160601054825
Last checked: 10/31/2013
Access conditions: Item is within a limited-access website
http://www.tandfonline.com/doi/pdf/10.1080/01904160601054825
Last checked: 10/31/2013
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: b2516613a |
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