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| Web URL(s): | https://stri.lib.msu.edu/vol51-1975/pdf/sptri75051074.pdf
Last checked: 9/2003
Requires: PDF Reader
Notes: Available to TGIF and STRI users |
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| Access Restriction: | Certain MSU-hosted archive URLs may be restricted to legacy database members. |
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| Publication Type:
| Refereed |
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| Author(s): | Goss, Roy L.;
Brauen, S. E.;
Orton, S. P. |
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| Author Affiliation: | Western Washington Research and Extension Centre, Washington State University, Puyallup, Washington |
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| Title: | The effects of N, P, K and S on Poa annua L. in bentgrass putting green turf |
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| Source: | Journal of the Sports Turf Research Institute. Vol. 51, 1975, p. 74-82. |
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| Publishing Information: | Bingley, England: The Sports Turf Research Institute |
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| Keywords: | TIC Keywords: Nitrogen; Phosphorus; Potassium; Sulfur; Poa annua; Agrostis tenuis
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| Abstract/Contents: | "Poa annua, annual bluegrass, a native of Europe, is one of the most common weed grasses in turf and is found throughout the temperate regions of the world. Most attempts to control this plant have been with chemicals, both pre- and post-emergence, but few data are available on the effects of nutrition on occurrence of P. annua. Studies were initiated at Puyallup, Washington to study the effects of sulphur on plots treated with various combinations of N, P, and K. It was found that the highest S level used (168 kg/ha/yr.) significantly reduced P. annua at all nitrogen levels, but low S increased population as compared to no S treatments. Phosphorus applications significantly increased P. annua in all plots. Phosphorus interacted with nitrogen by increasing P. annua populations at all N levels, although intermediate levels of N (586 kg N/ha) in all combinations with P caused greater increases in P. annua than plots without P. Sulphur interacted with phosphorus to produce a curvilinear influence on P. annua. Low S rates greatly increased P. annua while high S reduced populations. High levels of S with P tended to increase P. annua as compared to high S without P. At low S rates P. annua populations increased with increasing N rates, while high S dramatically reduced P. annua at low (293 kg/ha) and high (976 kg/ha) N." |
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| Language: | English |
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| References: | 8 |
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| Note: | Tables
Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Goss, R. L., S. E. Brauen, and S. P. Orton. 1975. The effects of N, P, K and S on Poa annua L. in bentgrass putting green turf. J. Sports Turf Res. Inst. 51:p. 74-82. |
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| Web URL(s):
https://stri.lib.msu.edu/vol51-1975/pdf/sptri75051074.pdf
Last checked: 9/2003
Requires: PDF Reader
Notes: Available to TGIF and STRI users |
| 
MSU catalog number: SB 433 .A1 S63 |
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