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| DOI: | 10.2134/agronj2011.0385 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/104/4/908
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https://dl.sciencesocieties.org/publications/aj/articles/104/4/908
Last checked: 11/02/2016
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Read, John J. |
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| Author Affiliation: | USDA-Agricultural Research Service, Crop Science Research Laboratory, Mississippi State, MS |
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| Title: | Spring nitrogen fertilization of ryegrass-bermudagrass for phytoremediation of phosphorus-enriched soils |
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| Section: | Agronomy, soils & environmental quality
Other records with the "Agronomy, soils & environmental quality" Section
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| Source: | Agronomy Journal. Vol. 104, No. 4, July 2012, p. 908-916. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy |
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| # of Pages: | 9 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/104/4/908
Last checked: 11/02/2016
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Notes: Abstract only
https://dl.sciencesocieties.org/publications/aj/articles/104/4/908?show-t-f=tables&wrapper=no
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https://dl.sciencesocieties.org/publications/aj/articles/104/4/908?show-t-f=figures&wrapper=no
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Notes: Graphs only |
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| Keywords: | TIC Keywords: Chemical properties of soil; Cynodon dactylon; Lolium multiflorum; Nitrogen response; Phosphorus; Phytoremediation; Seasonal variation; Spring maintenance
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| Abstract/Contents: | "Because annual ryegrass (Lolium multiflorum L.) exhibits increases in herbage P with increasing soil P, biomass response to N should influence phytoremediation of P-enriched soils. Field plot (each 2 by 5 m) studies were conducted to determine the effect of six N schemes that provided 112 or 168 kg N ha-1 on uptake of P and soil test P (STP, 0-15-cm depth) of double-cropped bermudagrass [Cynodon dactylon L. (Pers.)] and ryegrass. Bermudagrass was previously fertilized with 9 and 18 Mg broiler litter ha-1 in 2004-2007, no litter was applied after 2007. At past litter rate of 9 Mg ha-1, total uptake of P averaged 48.5 kg ha-1 in 2008 and 51.7 kg ha-1 in 2009. Based on initial STP levels in 2007, results in 2009 indicated STP levels decreased by approximately 50 kg ha-1 yr-1, with reductions of 44% at 9 Mg litter ha-1 (104-58 mg kg-1) and 38% at 18 Mg litter ha-1 (173-108 mg kg-1). Averaged across years and litter rates, uptake of P in ryegrass was greater at 168 than 112 kg N ha-1 (35.4 vs. 29.4 kg ha-1, P < 0.01) and ranged from 35.8 kg ha-1 in scheme N5 to 26.7 kg ha-1 in scheme N1. Schemes N5 and N6, with a total rate of 168 kg N ha-1 in March and May, stimulated uptake of P in ryegrass and ryegrass-bermudagrass, but STP levels in 2009 were not lower than a single application of 112 kg N ha-1 in January and March." |
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| Language: | English |
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| References: | 27 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Read, J. J. 2012. Spring nitrogen fertilization of ryegrass-bermudagrass for phytoremediation of phosphorus-enriched soils. Agron. J. 104(4):p. 908-916. |
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| DOI: 10.2134/agronj2011.0385 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/104/4/908
Last checked: 11/04/2016
Requires: PDF Reader
Access conditions: Item is within a limted-access website
https://dl.sciencesocieties.org/publications/aj/articles/104/4/908
Last checked: 11/02/2016
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2212646a |
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