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| DOI: | 10.2136/sssaj1976.03615995004000040037x |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/sssaj/pdfs/40/4/SS0400040593
Last checked: 12/07/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Waddington, D. V.;
Moberg, E. L.;
Duich, J. M.;
Watschke, T. L. |
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| Author Affiliation: | Waddington and Duich: Professor; Watschke: Associate Professor, Dep. of Agronomy, Penn State Univ., University Park, PA; Mobert: Associate Professor, Community College of the Finger Lakes, Canandaigua, N.Y. |
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| Title: | Long-term evaluation of slow-release nitrogen sources on turfgrass |
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| Section: | Division S-8 - Fertilizer technology and use
Other records with the "Division S-8 - Fertilizer technology and use" Section
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| Source: | Soil Science Society of America Journal. Vol. 40, No. 4, July/August 1976, p. 593-597. |
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| Publishing Information: | Madison, Wisconsin: Soil Science Society of America |
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| # of Pages: | 5 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/sssaj/abstracts/40/4/SS0400040593
Last checked: 12/07/2016
Notes: Abstract only |
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| Keywords: | TIC Keywords: Fertilizer evaluation; Nitrogen; Poa pratensis; Ureaformaldehyde; IBDU; Milorganite
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| Abstract/Contents: | "Short-term studies with slow-release nitrogen sources have not provided information on the changes in response that may occur with continued use of a given material. In this study eight nitrogen sources were used to fertilize 'Merion' Kentucky bluegrass (Poa pratensis L.) for 7 consecutive years to obtain long-term results. Fertilizers used were urea, Uramite (ureaform), IBDU (isobutylidene diurea), Urex (urea-paraffin matrix), ADM (plastic coated urea), Milorganite (activated sewage sludge), and two complete (NPK) fertilizers, with two-thirds of the nitrogen from ureaform or IBDU and the remainder soluble. Urea was applied every other week and the other fertilizers were applied one, two, or three times per season to obtain total N of 1.46 or 2.44 kg/100 m2. Weekly clipping yields and color ratings were used to evaluate turfgrass response to the fertilizer treatments. Milorganite, Uramite, and IBDU produced more uniform growth than Urex, ADM, and the complete fertilizers. Response to Urex, ADM, and the complete fertilizer with IBDU was similar, and was often characterized by excessive growth after application. The greatest increase in response with continued use occurred with Uramite, which was the least efficient fertilizer in the first two years. At the end of the 7-year period, determinations of yield, color, and total soil N indicated that Uramite had the greatest residual effect." |
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| Language: | English |
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| References: | 3 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Waddington, D. V., E. L. Moberg, J. M. Duich, and T. L. Watschke. 1976. Long-term evaluation of slow-release nitrogen sources on turfgrass. Soil Science Society of America Journal. 40(4):p. 593-597. |
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| DOI: 10.2136/sssaj1976.03615995004000040037x |
| Web URL(s):
https://dl.sciencesocieties.org/publications/sssaj/pdfs/40/4/SS0400040593
Last checked: 12/07/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: b2199342a |
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