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| Web URL(s): | http://agops.ucr.edu/turf/publications/ctc/ctc28_2.pdf#page=2
Last checked: 01/24/2014
Requires: PDF Reader
Notes: Item is within a single larger file |
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| Publication Type:
| Professional |
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| Author(s): | Henry, Michael J.;
Paul, Jack L. |
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| Author Affiliation: | Farm Advisor, Cooperative Extension, Orange County, and Associate Professor, Department of Environmental Horticulture, University of California, Davis, Resectively |
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| Title: | Hydrophobic soils on putting greens |
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| Source: | California Turfgrass Culture. Vol. 28, No. 2, Spring 1978, p. 9-11. |
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| Publishing Information: | Riverside, CA: Federated Turfgrass Council of California/University of California Cooperative Extension |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Hydrophobic soils; Golf greens; Thatch; Water stress; Water absorption; Wetting agents; Soil texture; Irrigation; Localized dry spots; Sand texture; Wettability; Soil drying; Fungi; Cultural methods
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| Geographic Terms: | California |
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| Abstract/Contents: | Reviews the nature of and management practices for prevention of dry spots on putting greens. In general: 1) non-wettable soils are more common in coarse-textured (sandy) soils than Fine-textured (clay) soils. 2) the soil near the thatch-soil interface is more affected than deeper soils. 3) mon-wettable soil particles are coated with a compound or material that repels water. 4) the coating has not been identified and 5) dry spots can occur on young or old greens. Core sample experiments indicate that maximium non-wettablity occurs immediately below the thatch layer and that dying down of soils induces nonwettability. Studies indicate nonwettable sand particles maybe coated with an organic substance interspersed with fungal mycelia or the organic substance may be caused by fertilizers containing Ca and Mg reacting with fatty acids producing an insoluble soap. Polar solvents have been found to remove the coating. The best method to prevent hydrophobic soils is not to allow the greens to dry between irrigations. If the condition occurs, aeration, spiking and the use of wetting agents can help correct the problem. Core samples should then be taken to insure that no dry soil lenses remain, and drought stress should be avoided which can cause the dry hydrophobic soils to return. |
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| Language: | English |
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| References: | 9 |
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| See Also: | Other items relating to: LDS
Other items relating to: Wetting Agents |
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| Note: | Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Henry, M. J., and J. L. Paul. 1978. Hydrophobic soils on putting greens. Calif. Turfgrass Cult. 28(2):p. 9-11. |
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| Web URL(s):
http://agops.ucr.edu/turf/publications/ctc/ctc28_2.pdf#page=2
Last checked: 01/24/2014
Requires: PDF Reader
Notes: Item is within a single larger file |
| 
MSU catalog number: SB 433 .A1 C2 |
| Find from within TIC:
Digitally in TIC by file name: caltc1978spr |
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