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http://dx.doi.org/10.5333/KGFS.2004.24.1.037

Effect of Herbicide Combination on Agronomic Characteristics, Dry matter Yield, Nutritive Value and Weed Control of Silage Corn in Alpine Area  

Lee, J.K. (National Livestock Research Institute, RDA)
Park, H.S. (National Livestock Research Institute, RDA)
Chung, J.W (National Livestock Research Institute, RDA)
Na, K.J (National Livestock Research Institute, RDA)
Kim, Y.G. (National Livestock Research Institute, RDA)
Seo, S. (National Livestock Research Institute, RDA)
Sung, K.I. (Kangwon National Univ.)
Jung, J.R. (Kongju National Univ.)
Cho, K.S. (Kongju National Univ.)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.24, no.1, 2004 , pp. 37-42 More about this Journal
Abstract
This study was conducted to select the optimum herbicide combination on agronomic characteristics, dry matter yield, nutritive values and weed control of the silage corn at Daekwanryong branch(altitude 800m a.s.1.) of National Livestock Research Institute from 2001 to 2002. The treatments consisted of control, metolachlor, thiobencarb＋linuron, pendimethalin, pendimethalin＋linuron, propisochlor, nicosulfuron, propisochlor＋nicosulfuron, and non treatment. The plant height and ear height of corn were no significant different among herbicide combination. However, the highest dry matter(DM) and ear rate of silage corn were observed with nicosulfuron treatment; 31.4% and 52.7%, respectively. Also, Dry matter yield of silage corn was the highest of 16,503kg/ha with propisochlor＋nicosulfuron(P<0.05). The control of annual weeds was the greatest of 96.4% in the plots of propisochlor＋nicosulfuron application. These results indicate that propisochlor＋nicosulfuron treatment would be the optimum combination for dry matter yield, weed control and nutritive value of silage corn in alpine area.
Keywords
Alpine; Silage corn; Herbicide; Dry matter yield; Weed control;
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