Full TGIF Record # 128201
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Web URL(s):http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/1991/v5n1/JDHHBF_1991_v5n1_33.pdf
    Last checked: 01/28/2013
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Publication Type:
i
Refereed
Author(s):Yoon, Y. B.; Lee, J. S.
Author Affiliation:Yoon: Graduate Student, Kon-Kuk University; Lee: College of Liberal Art and Science, Yonsei University
Title:Effects of different levels of soil compaction on coring depth on the growth and thatch accumulation in perennial ryegrass
Source:Korean Journal of Turfgrass Science. Vol. 5, No. 1, 1991, p. 33-39 [416-422].
Publishing Information:Korea: Turfgrass Society of Korea
# of Pages:7
Keywords:TIC Keywords: Compaction; Coring; Growth factors; Thatch accumulation; Lolium perenne; Tillering rate; Root weight; Shoot growth
Abstract/Contents:"This experiment was carried out in order to study the changes of morphological characters of growth and thatch accumulations in perennial ryegrass as affected by the different levels of soil compaction and coring depth. Soil compactions were treated with 10, 20, 30, and 40kg power roller and artificial core depth were 2.5, 5.0, 7.5 and 10.0cm under the ground, respectively. And, artificial core space were fixed 84.5% in all soil compaction levels. The results obtained were summarized as follows: 1. Relationship between number of tillers and root weight was positive significant difference for soil compaction levels. 2. Relationships between shoot dry weight and thatch weight, and number of tillers were positively significant difference for artificial core depths. It may indicate that thatch accumulation depend[s] on the growth of shoot, and increase of shoot dry weight as growth progressed may due to increase number of tillers, respectively. 3. Soil compaction level of 20kg was greatly influenced on the growth of shoot in all artificial soil depths. Thus, shoot dry weight and number of tillers were obtained the highest value, but thatch and root weight were obtained the lowest values at the soil compaction level of 20kg. It was suggested that soil compaction of 20kg is very suitable rolling factor for turf maintenance. 4. Thatch weight was positively significant difference for the interaction of soil compaction level coring depth. 5. Thatch weight was positive significant correlated with root weight, and negative significant correlated with number of tillers by increase of soil compaction levels."
Language:Korean
References:19
Note:Abstract appears in English
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yoon, Y. B., and J. S. Lee. 1991. Effects of different levels of soil compaction on coring depth on the growth and thatch accumulation in perennial ryegrass. (In Korean, with English abstract.) Korean Journal of Turfgrass Science. 5(1):p. 33-39 [416-422].
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http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/1991/v5n1/JDHHBF_1991_v5n1_33.pdf
    Last checked: 01/28/2013
    Requires: PDF Reader
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