Full TGIF Record # 233238
Item 1 of 1
Publication Type:
i
Report
Author(s):Sartain, J. B.
Author Affiliation:Associate Professor (Soil Fertility), U. of F., Gainesville
Title:Effect of N source, application rate and frequency on the growth, quality and thatch development of Tifway bermudagrass
Section:Fertilization of turfgrasses
Other records with the "Fertilization of turfgrasses" Section
Source:Turfgrass Research in Florida: A Technical Report. May 1982, p. 83-87.
# of Pages:5
Publishing Information:Gainesville, Florida: Institute of Food and Agricultural Sciences, University of Florida
Abstract/Contents:"'Tifway' bermudagrass (Cynodon dactylon (L.) Pers X Cynodon transvaalensis Burtt Davy) was grown on a loamy fine sand (Typic Quartzipsamment) to evaluate the influence of the N release characteristics of different N sources and the N application methodology on the growth, quality, and thatch development of the turfgrass. These 1.83 x 2.73m plots were arranged in a randomized complete plot fashion and replicated four times. Three N sources [Ammonium nitrate (NH4NO3), isobutylidene diurea (IBDU), and sewage sludge (SS)] were applied at 1.22, 4.88, and 9.76g N/m2 every 7, 28, and 56 days respectively. Visual ratings for turfgrass quality were taken weekly in 1978 and bi-weekly in 1979 and 1980 for a 24-week period. Harvests for dry weight and chemical analysis were collected in August each of the three years just prior to the second 56-day N application. Plugs were drawn at the end of the growing season for thatch determination. Thatch accumulation was estimated by weight loss on ignition. Overall turfgrass appearance and quality was higher on plots fertilized with NH4NO3 and IBDU than on plots receiving SS. Small applications of N weekly (1.22g N/m2) did not produce as high quality turfgrass as larger applications less frequently (4.88 and 9.76g N/m2) every 28 and 56 days, respectively). Average yield and total N uptake were not influenced greatly by N source. Significantly higher average yield and N uptake were observed on plots receiving 9.76g N/m2/56 days than on plots receiving 1.22 g N/m2/7 days. Significantly higher levels of thatch developed on plots receiving SS than on plots receiving NH4NO3 and IBDU. During each of the three growing seasons, IBDU consistently produced significantly less thatch than the other N sources."
Language:English
References:5
Note:Reprint appears in Soil and Crop Science Society of Florida: Proceedings, Vol. 41 1982, p. 156-158, with additional abstract
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sartain, J. B. 1982. Effect of N source, application rate and frequency on the growth, quality and thatch development of Tifway bermudagrass. Turfgrass Res. FLA Tech. Rep. p. 83-87.
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