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http://dx.doi.org/10.5333/KGFS.2017.37.2.132

The Effects of Grass Seed Mixtures using Domestic Cultivars on Botanical Composition and Dry Matter Productivity in Low Productive Hilly Pasture, Central Region of Korea  

Jung, Jeong Sung (National Institute of Animal Science, Rural Development Administration)
Kim, Jong Geun (Graduate School of International Agricultural Technology, Seoul National University)
Kim, Hyeon Shup (National Institute of Animal Science, Rural Development Administration)
Park, Hyung Soo (National Institute of Animal Science, Rural Development Administration)
Choi, Ki Choon (National Institute of Animal Science, Rural Development Administration)
Lee, Sang Hoon (National Institute of Animal Science, Rural Development Administration)
Ji, Hee Jung (National Institute of Animal Science, Rural Development Administration)
Choi, Gi Jun (National Institute of Animal Science, Rural Development Administration)
Kim, Won Ho (National Institute of Animal Science, Rural Development Administration)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.37, no.2, 2017 , pp. 132-139 More about this Journal
Abstract
This study was conducted to find out the effects of over seeding using new grass varieties orchardgrass 'Kordione' and 'Onnuri', and tall fescue 'Greenmaster' on botanical composition and dry matter productivity from 2013 to 2016 in low productivity hilly pasture, middle area of Korea. There were used 3 grass seed mixture types made of different compositions and amounts {T1: control - no over seeding, T2: tall fescue (TF) 'Greenmaster' $18kg\;ha^{-1}$, orchardgrass (OG) 'Kordione' $9kg\;ha^{-1}$, Perennial ryegrass (PRG) 'Linn' $5kg\;ha^{-1}$, and Kentucky bluegrass (KBG) 'Kenblue' $2kg\;ha^{-1}$, T3: TF 'Greenmaster' $9kg\;ha^{-1}$, OG 'Kordione' $18kg\;ha^{-1}$, PRG 'Linn' $5kg\;ha^{-1}$, and KBG ' Kenblue' $2kg\;ha^{-1}$, T4: TF 'Greenmaster' $9kg\;ha^{-1}$, OG 'Onnuri' $18kg\;ha^{-1}$, PRG 'Linn' $5kg\;ha^{-1}$, and KBG 'Kenblue' $2kg\;ha^{-1}$}. In the botanical composition of grassland, T1 nearly remained constant in other seasons while ratio of weeds were increased in summer season. T2 was better than control (T1) in portion of grass ratio, which has increased by 80%. In the early time of establishment, the portions of OG were increased in T2, but TF rate was increased after 3 years later when grass was established. T3 and T4 showed a very similar patterns, grass ratio had increased by 80% and the portion of KBG had increased as time passed. T2 ($129,763kg\;ha^{-1}$) was showed the highest dry matter yield than other treatments (T1: $6,756kg\;ha^{-1}$, T3: 9641, and T4: 10,738) in 2016.
Keywords
Hilly pasture; Low productivity; New grass cultivars; Overseeding;
Citations & Related Records
Times Cited By KSCI : 11  (Citation Analysis)
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