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| Publication Type:
| Proceedings |
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| Author(s): | Zak, John |
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| Author Affiliation: | Professor, Department of Plant and Soil Sciences, University of Massachusetts, Amherst, MA. |
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| Title: | The effects of fertilizer phosphate placement on the establishment and growth of annual bluegrass and penncross creeping bentgrass |
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| Section: | Lecture notes from December 1980 New Jersey Turfgrass Expo
Other records with the "Lecture notes from December 1980 New Jersey Turfgrass Expo" Section
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| Source: | 1981 Rutgers Turfgrass Proceedings. Vol. 12, 1981, p. 21-24. |
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| Publishing Information: | New Brunswick, NJ: Cook College and the New Jersey Agricultural Experiment Station, Rutgers University, In cooperation with the New Jersey Turfgrass Association |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Poa annua; Poa annua control; Phosphorus fertilizers; Agrostis stolonifera; Turfgrass establishment; Irrigation rates; Quality evaluation; Root growth; Seedling vigor
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "The objective of this study was to determine the value of phosphate placement in a soil on the seedling establishment and growth of annual bluegrass as compared with that of Penncross bentgrass." Tables included show the rates of annual bentgrass 7 weeks after seeding with depths of phosphate placement; the height of grass 13 weeks after seeding, and the length of roots after 13 weeks, and comparisons of annual bluegrass and creeping bentgrass root systems. Conclusions of the study were given as: "1) It appears that phosphate placement in the soil may affect seedling establishment and vigor in a creeping bentgrass sward. 2) Seedling development is delayed with both annual bluegrass and creeping bentgrass when P is placed farther below the surface of the soil. However, in all cases, Penncross creeping bent produced a better root system and top growth with the variable placement of P. 3) It is assumed that fertilizing greens with a zero phosphate fertilizer like 20-0-16 would discourage annual bluegrass invasion since no phosphorus would be available for its development. 4) Phosphate applied 1-2'' below the surface of the soil during construction of a green, might delay the establishment of creeping bent but once established the lack of phosphate in the surface would be a deterrent to the invasion of annual bluegrass. 5) If water is used sparingly during the fall and spring of the year when annual bluegrass seeds germinate and if there is no phosphorus available on the surface of the soil, then the invasion of annual bluegrass may be kept at a minimum." |
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| Language: | English |
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| References: | 0 |
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| Note: | "July 1981"
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zak, J. 1981. The effects of fertilizer phosphate placement on the establishment and growth of annual bluegrass and penncross creeping bentgrass. p. 21-24. In 1981 Rutgers Turfgrass Proceedings. New Brunswick, NJ: Cook College and the New Jersey Agricultural Experiment Station, Rutgers University, In cooperation with the New Jersey Turfgrass Association. |
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MSU catalog number: SB 433 .A1 R82 |
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