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http://dx.doi.org/10.5333/KGFS.2006.26.2.113

Effect of Seed Mixture on the Forage Yield and Botanical Composition in the Hanwoo Grazing Pasture  

Kim Meng-Jung (National Livestock Research Institute, RDA)
Cho Young-Moo (National Livestock Research Institute, RDA)
Choi Sun-Ho (National Livestock Research Institute, RDA)
Kim Young-Gun (National Livestock Research Institute, RDA)
Yoon Sei-Hyung (National Livestock Research Institute, RDA)
Kim Jong-Geun (National Livestock Research Institute, RDA)
Yook Wan-Bang (Kon-Kuk University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.26, no.2, 2006 , pp. 113-120 More about this Journal
Abstract
This study was conducted to select the optimum seed mixture for beef cattle (Hanwoo) grazing in middle mountain area at 450m from sea level during 2 years from October 1, 1999. Seed mixtures were composed of four different treatment according to main species such as orchardgrass (T1), perennial ryegrass (T2), timothy (T3) and Italian ryegrass (T4). Grass composition rate of different seed mixtures was decreased mostly at first year of grazing, like 44.9% of orchardgrass in T1 plot, 27.6% of perennial ryegrass in T2 plot, 40.9% of timothy in T3 plot and 40.7% of Italian ryegrass in T4 plot, respectively. Main species in seed mixture were decreased in grazing pasture, but kentucky bluegrass and tall fescue were increased in all plots. Italian ryegrass in T4 plot was well grown in early grown stage and inhibited the growth of other grass species, and 44.2% of Italian ryegrass was maintained in second year in the grazing plot. Average dry matter yields of first you showed 6,673 kg/ha and second year was 10,177 kg/ha. Average TDN yields of different seed mixtures were 6,399 kg/ha in T1, 7,769 kg/ha in T2, 4,383 kg/ha in T3 and 7,146 kg/ha in T4 plot. Average herbage dry matter intakes by different seed mixtures during 2 years were 5,937 kg/ha in T1, 6,375 kg/ha in T2, 4,925 kg/ha in T3 and 6,456 kg/ha in T4. This result indicated that perennial ryegrass would recommended in main species of Hanwoo grazing pasture.
Keywords
Grazing; Crassland; Mixture Seed; Botanical Composition;
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