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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/68/5/AJ0680050812
Last checked: 12/08/2016
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| Publication Type:
| Refereed |
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| Author(s): | Waddington, D. V.;
Duich, J. M. |
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| Author Affiliation: | Professors, Department of Agronomy, Penn State University, University Park, Pennsylvania |
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| Title: | Evaluation of slow-release nitrogen fertilizers on Pennpar creeping bentgrass |
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| Source: | Agronomy Journal. Vol. 68, No. 5, September/October 1976, p. 812-815. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: IBDU; Fertilizer evaluation; Agrostis stolonifera; Sulfur-coated urea; Resin-coated fertilizers; Slow-release fertilizers; Controlled-release nitrogen; Nitrogen fertilizers; Urea; Yield response; Clipping weight
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| Cultivar Names: | PennPar |
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| Abstract/Contents: | "As new fertilizer materials become available for turfgrass fertilization, their relative merits should be evaluated under various field conditions so that sound recommendations can be made concerning their use. In this study on 'Pennpar' creeping bentgrass (Agrostis palustris Huds.), single applications of four slow-release N fertilizers and multiple applications of urea applied to fine, mixed, mesic Typic Hapludalf soil were compared for four consecutive growing seasons. Split applications of slow-release materials were also included in the fourth season. Clipping yields and turf color were used to evaluate response to fertilization. Growth patterns varied from year to year, but certain relationships between treatments generally remained the same: 1) greatest initial response occurred with IBDU (isobutylidene diurea); 2) yields from slow-release treatments equalled or exceeded those from the urea treatment for 13 to 14 weeks, thereafter urea gave higher yields; 3) response from sulfur-coated urea (21% 7-day dissolution rate) and resin-coated fertilizer (Agriform CRF 19-3-11) was intermediate between IBDU and ureaform (Uramite). Split applications of slow-release sources reduced the flush of spring growth and increased turf color in the fall to an acceptable level. Color was unacceptable in the fall when single spring applications were used. The delay in response noted after IBDU applications on Kentucky bluegrass (Poa pratensis L.) in other experiments was not as apparent under the conditions of this study, possibly due to the incorporation of fertilizer by aerating and topdressing at the time of application and more liberal watering on the bentgrass area." |
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| Language: | English |
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| References: | 11 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Waddington, D. V., and J. M. Duich. 1976. Evaluation of slow-release nitrogen fertilizers on Pennpar creeping bentgrass. Agron. J. 68(5):p. 812-815. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/68/5/AJ0680050812
Last checked: 12/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 22 .A45 |
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