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| Web URL(s): | http://archive.lib.msu.edu/tic/thesdiss/woods2006h.pdf
Last checked: 3/6/2006
Requires: PDF Reader |
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| Material Type: | Chapter |
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| Monographic Author(s): | Woods, Micah Sharpe |
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| Author Affiliation: | Cornell University |
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| Title: | Assessing the availability of nonacid cations to creeping bentgrass in sand rootzones |
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| Monographic Source: | Nonacid Cation Bioavailability in Sand Rootzones, 2006, p. 114-131. |
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| Publishing Information: | Ph.D. Dissertation: Cornell University |
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| # of Pages: | 18 |
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| Abstract/Contents: | "Nonacid cation availability is assessed by soil nutrient analyses. We evaluated three soil testing methods (0.01 M SrCl2, 1:5 H2O, and Mehlich 3) for their ability to extract a plant-available fraction of the soil nonacid cations in four sands ranging in pH from 5.0 to 8.5. Creeping bentgrass [Agrostis stolonifera var. palustris (Huds.) Farw.] leaf content of nonacid cations was used as an index of nutrient availability in the soil. Creeping bentgrass (A-1) plants were grown from seed (7.5 g m-2) in a greenhouse at Ithaca, NY. Nitrogen, S, and P were applied as fertilizers, and deionized water was applied as irrigation to prevent drought stress. Mehlich 3 extractable nonacid cations were not evaluated in the calcareous sand. Even in the non-calcareous sands, the 0.01 M SrCl2 and the 1:5 H2O were equivalent to the Mehlich 3 method in their ability to extract a plant-available fraction of soil nonacid cations. Leaf Ca, Mg, and K contents were within a currently accepted sufficiency range even at Mehlich 3 extractable Ca, Mg, and K levels that are classified as low. The Mehlich 3 test should be calibrated with more accuracy for creeping bentgrass grown on sand rootzones, and the 0.01 M SrCl2 and 1:5 H2O extraction methods should be tested in additional sands to better understand the practicality of their use as universal extractants for sand rootzones." |
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| Language: | English |
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| References: | 16 |
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| See Also: | See also Dissertation record, Nonacid Cation Bioavailability in Sand Rootzones, 2006, R=109838 R=109838
"Chapter 2: Effectiveness of standard soil tests for assessing potassium availability in a calcareous sand", reprinted in Soil Science, 170(2), February 2005, p. 110-119, R=104190 R=104190
"Chapter 3: Measuring the effects of potassium application on calcium and magnesium availability in a calcareous sand", reprinted in International Turfgrass Society Research Journal, 10(2), July 2005, p. 1015-1020, R=106302 R=106302
"Chapter 4: Potassium availability indices and turfgrass performance in a calcaerous sand putting green", reprinted in Crop Science, 46(1), January/February 2006, p. 381-389, R=109578 R=109578
"Chapter 5: Potassium supply rate as measured by exchange membranes in a calcareous sand", R=109842 R=109842
"Chapter 6: A simple method for predicting cation exchange capacity, with special respect to sand rootzones", R=109843 R=109843 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Woods, Micah Sharpe. 2006. Assessing the availability of nonacid cations to creeping bentgrass in sand rootzones. In Nonacid Cation Bioavailability in Sand Rootzones. Ph.D. Dissertation: Cornell University. |
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| Web URL(s):
http://archive.lib.msu.edu/tic/thesdiss/woods2006h.pdf
Last checked: 3/6/2006
Requires: PDF Reader |
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