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Web URL(s): | http://agops.ucr.edu/turf/publications/ctc/ctc36_1234.pdf#page=6 Last checked: 01/24/2014 Requires: PDF Reader Notes: Item is within a single larger file |
Publication Type:
| Professional |
Author(s): | Anonymous |
Title: | Effects of cultural practices on bermudagrass thatch buildup |
Source: | California Turfgrass Culture. Vol. 36, No. 1-4, 1966[1986], p. 6. |
Publishing Information: | Riverside, CA: Federated Turfgrass Council of California/University of California Cooperative Extension |
# of Pages: | 1 |
Keywords: | TIC Keywords: Cultural methods; Cynodon; Cultivars; Thatch; Nitrogen; Coring; Aerification; Vertical mowing; Sand
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Abstract/Contents: | SUMMARY: "The relationship beweeen different cultural practices and thatch accumulation was studied recently on a putting green planted to three bermudagrass cultivars on Dorhan sand loam at the Auburn University Turfgrass Research Area in Alabama. Practices evaluated included nitrogen source, core aerification, vertical mowing and sand topdressing. Effects of treatments on thatch were determined by measuring thatch depth and the compressibility of the turf surface with a thatch compression meter. Thatch accumulation in the three bermudagrass cultivars included in the study, after three seasons, increased in this order: 'Tifgree', 'Dothan', 'Tifdwarf'. The effects of treatments on thatch accumulation were similar for all three cultivars. Four topdressings per year reduced thatch accumulation more than a single topdressing and increased mat depth. Neither monthly aerification nor biweekly vertical mowing provided more thatch control than twice yearly application of the respective cultural practice. Fertilization with activated sewage sludge resulted in 14 percent more thatch than when NH4NO3 was the nitrogen source. Within a given topdressing frequency, no differences in thatch accumulation occurred among the nitrogen sources, levels of aerification, or vertical mowing. The regression of millimeters compressibility on thatch depth was not significant. Turf quality was not correlated with thatch depth. 'Tifdwarf' had the most thatch accumulation and also produced high turf quality ratings. Nitrogen source influenced turf quality more than other treatments. Activated sludge produced superior turf quality, although more thatch was produced than when NH4NO3 was applied. Cultural practices had no consistent effect on establishment of 'Pennfine' perennial ryegrass overseeded on the experimental green. Ammonium nitrate produced better ryegrass quality than activated sewage sludge. Plots fertilized with activated sludge had significantly more annual bluegrass than those receiving NH4NO3. Core aerification, topdressing and vertical mowing frequency didn't affect ryegrass quality or annual bluegrass occurrence." |
Language: | English |
References: | 0 |
See Also: | See also full article, "Thatch accumulation in bermudagrass as influenced by cultural practices," Agronomy Journal, 76(1) January/February 1984, p. 19-22, R=458. R=458 |
See Also: | Other items relating to: THATCH |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Anonymous. 1966[1986]. Effects of cultural practices on bermudagrass thatch buildup. Calif. Turfgrass Cult. 36(1-4):p. 6. |
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| Web URL(s): http://agops.ucr.edu/turf/publications/ctc/ctc36_1234.pdf#page=6 Last checked: 01/24/2014 Requires: PDF Reader Notes: Item is within a single larger file |
| MSU catalog number: SB 433 .A1 C2 |
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