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http://dx.doi.org/10.5333/KGFS.2006.26.4.285

Effects of Planting Density, Cultivar and Growing Days on the Dry Matter Yield and Forage Quality of Kenaf (Hibiscus cannabinus L.) in Cheorwon, Korea  

Han, Sang-Eun (College of Animal Life Science, Kangwon Natl. Univ.)
Sung, Kyung-Il (College of Animal Life Science, Kangwon Natl. Univ.)
Cho, Dong-Ha (College of Agriculture and Life Science, Kangwon Natl. Univ.)
Jin, Cheng-Wu (College of Agriculture and Life Science, Kangwon Natl. Univ.)
Kim, Byong-Wan (College of Animal Life Science, Kangwon Natl. Univ.)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.26, no.4, 2006 , pp. 285-292 More about this Journal
Abstract
This study was conducted to evaluate the dry matter yield and forage quality of Kenaf in relation to planting density and growing days in Cheorwon area from 20 May to 12 September in 2005. The experiment was laid out in a split plot design with three replications. The main plots consisted of planting density and growing days with three cultivars of Kenaf as sub-plots; Bowling, Everglade and Tainung. The results obtained were summarized as follows. The dry matter yield increased until 92 days after planting at $10{\times}10cm^2$ planting density, but decreased after the day. The dry matter yield increased with maturity in all three cultivars, especially Dowling showed the highest dry matter yield at each harvest time. The Crude Protein (CP) contents of all three cultivars decreased with maturity. Especially, the decrease in the CP contents was greater in the early stage than in the late stage. The planting density did not affect the CP contents, even though they are little higher in $10{\times}20cm^2$ planting density. The higher CP contents were obseued in Dowling, which is not significant. No difference in the Neutral detergent fiber (NDF) and Acid detergent fiber (ADF) contents was observed in the planting density and cultivar, although the increasing tendency was found with maturity. These results suggest that Kenaf can be a good potential forage crop in the northern area of Korea, especially Dowling showed the great dry matter yield and forage quality when harvested on Day 104 at $10{\times}20cm^2$ planting density.
Keywords
Kenaf; Planting density; Forage quality;
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