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| Publication Type:
| Report |
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| Author(s): | Hull, R. J.;
Law, J. |
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| Title: | Turfgrass fertility management: The impact of fertilization practic on turfgrass physiology |
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| Meeting Info.: | Kingston, R.I., August 24, 1977 |
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| Source: | Rhode Island Annual Turfgrass Field Days. 1977, p. iii, 7-8. |
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| Publishing Information: | Kingston, R.I., Agricultural Experiment Station, University of Rhode Island |
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| # of Pages: | 3 |
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| Abstract/Contents: | "The capacity of Kentucky Bluegrass to persist as a fine quality turf when subjected to a range of fertility management programs is being investigated in this test. Last fall the Merion Kentucky Bluegrass turf that had been on these plots since 1966 was taken up and plots reseeded with Baron Kentucky Bluegrass. Also, plastic tubing through which cold water could be run to cool the root zone was buried in a one meter band across all fertilizer treatments. Since 1966 these plots have received various fertilizer ratios ranging from nitrogen alone to a complete fertilizer. Since 1970, three fertilizer rates have been included in this study. Grass under varying fertility is being examined for its ability to fix CO2 photosynthetically, transport sugars from leaves to stems and roots, and accumulate reserves. These measurements are made throughout the growing season and during the non-growing period, at various times after mowing, and at intervals during a single day. Next year, during times of high temperature stress in July and August we plan to compare these measurements between turf in the cooled soil and turf in the uncooled soil. These observations are related to the quality of the turf, its capacity to resist disease and invasion by weeds, and its persistence over several years. This study should provide a better understanding of the reasons why bluegrass, when subjected to poor fertility management, does not maintain a quality turf. A companion study investigates the effect of continued herbicide usage on the quality of bluegrass turf managed at a high and low fertility level. Herbicides commonly used by professional turf managers and home owners are included in this test. The results have been very interesting." |
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| Language: | English |
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| References: | 0 |
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| Note: | Stop 4 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hull, R. J., and J. Law. 1977. Turfgrass fertility management: The impact of fertilization practic on turfgrass physiology. Rhode Island Annual Turfgrass Field Days. p. iii, 7-8. |
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