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| Publication Type:
| Report |
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| Author(s): | Sullivan, W. Michael;
Jiang, Zhongchun;
Hull, Richard J.;
Sawyer, Carl D.;
Philcox, Mary |
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| Author Affiliation: | Sullivan: Associate Professor, Turfgrass Agronomy, Department of Plant Sciences, University of Rhode Island, Kingston, Rhode Island; Jiang and Sawyer, C.: Research Associates, Department of Plant Sciences, University of Rhode Island, Kingston, Rhode Island; Hull: Professor, Turfgrass Physiology, Department of Plant Sciences, University of Rhode Island, Kingston, Rhode Island |
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| Title: | Relationship between nutrient absorption and root morphology of Kentucky bluegrass |
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| Source: | 68th Rhode Island Turfgrass Field Day. 1999, p. 31-35. |
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| Publishing Information: | Kingston, R.I., Agricultural Experiment Station, University of Rhode Island |
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| # of Pages: | 5 |
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| Abstract/Contents: | "This study quantifies belowground morphological traits of Kentucky bluegrass (Poa pratensis L.) and establishes their relationships with nitrate uptake rate (NUR). When expressed as micromoles nitrate absorbed per plant per hour, NUR was significantly and positively correlated with the total biomass, length and area of the belowground organs. Fibrous roots contributred to >80% of the total belowground length and those with diameter <0.2 mm contributed to approximately 80 % of the total fibrous root lenth. The fibrous root length, surface, and volume of every diameter class were significantly and positively correclated with NUR. Larger numbers of thick roots (diameter >0.5 mm) appeared to have no effects on NUR while increased rhizome formation appeared to have a negative effect on NUR." |
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| Language: | English |
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| References: | 0 |
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| Note: | Pictures, b/w
Figures
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sullivan, W. M., Z. Jiang, R. J. Hull, C. D. Sawyer, and M. Philcox. 1999. Relationship between nutrient absorption and root morphology of Kentucky bluegrass. Proc. R. I. Annu. Turfgrass Field Day. p. 31-35. |
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MSU catalog number: SB 433 .A1 R47 |
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