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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/62/5/AJ0620050618
Last checked: 12/09/2016
Requires: PDF Reader
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| Publication Type:
| Refereed |
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| Author(s): | Scarsbrook, C. E. |
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| Author Affiliation: | Professor, Soils, Agronomy and Soils Department, Agricultural Experiment Station, Auburn University |
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| Title: | Regression of nitrogen uptake on nitrogen added from four sources applied to grass |
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| Source: | Agronomy Journal. Vol. 62, No. 5, September/October 1970, p. 618-620. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| # of Pages: | 3 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/62/5/AJ0620050618
Last checked: 12/09/2016
Access conditions: Item is within a limited-access website
Notes: Abstract only |
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| Keywords: | TIC Keywords: Diammonium phosphate; Sod; Nitrogen uptake; Ammonium nitrate; Urea; Ammonium phosphates; Cynodon dactylon; Paspalum notatum
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| Abstract/Contents: | "Research was conducted to evaluate efficiencies of N fertilizers by comparing slopes of N uptake on N applied regression equations. Ammonium nitrate (33.5-0-0), diammonium phosphate (21-23-0), urea (45-0-0), and urea-ammonium phosphate (33-9-0) were surface applied at four rates of N to Coastal bermudagrass on Norfolk sandy loam and to Pensacola bahiagrass on Boswell fine sandy loam. Relative efficiencies of N recovery were determined by comparison of the slopes (b) of the equations. The highest average efficiency (b = 0.80) was obtained with ammonium nitrate on bermudagrass. Values of b were similar for all sources of N on bahiagrass. There was a straight line relationship when dry forage produced (y) was plotted against N uptake (x). The equations were y = 1,500 + 48x and y = 3,000 + 34x for bahiagrass and bermudagrass, respectively. These differences in slopes of the equations reflect the differences both in N contents and yields of the forage." |
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| Language: | English |
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| References: | 13 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Scarsbrook, C. E. 1970. Regression of nitrogen uptake on nitrogen added from four sources applied to grass. Agron. J. 62(5):p. 618-620. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/62/5/AJ0620050618
Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 22 .A45 |
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