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http://dx.doi.org/10.5333/KGFS.2014.34.2.81

Effect of Different Seeding Dates on Agronomic Characteristics and Productivity of Sudangrass hybrid and Oat in Cropping After Corn for Silage in Kyeongbuk  

Shin, Chung Nam (Keimyung College University)
Ko, Ki Hwan (Keimyung College University)
Kim, Jong Duk (Division of Animal Husbandry, Cheonan Yonam College)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.34, no.2, 2014 , pp. 81-86 More about this Journal
Abstract
This study was conducted to evaluate the effect of different seeding dates on agronomic characteristics, forage quality, dry matter (DM) and dry matter digestible (DDM) yields of sudangrass hybrid (Sorghum bicolor(L.) Moench) and oat (Avena sativaL.) at Seongju in Kyeongbuk from 2012 to 2013. The experiment was arranged in randomized complete block design with three replications. Sudangrass was seeded five times seeding dates of 10 days interval ranging from $1^{th}$ August to $10^{th}$ September in 2012 and 2013. Oat was seeded three times seeding dates of 10 days interval ranging from $20^{th}$ August to $10^{th}$ September in 2013. Sudangrass was harvested on $26^{th}$ October, 2012 and $2^{nd}$ November, 2013. Plant length and DM content decreased with delaying seeing date. The DM and DDM yields of sudangrass were higher (P<0.05) in first seeding date than all other seeding dates and decreased with delaying seeding dates (P<0.05). The DM and DDM yields of oat were higher (P<0.05) in first and second seeding dates than third seeding date. The results of this study indicated that early seeding of sudangrass would be a recommended than late seeding after $20^{th}$ of August, and late seeding of oat after $30^{th}$ August would be recommened for DM and DDM yields in the Southern Korea.
Keywords
Sudangrass; Oat; Productivity; Summer seeding dates;
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