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Effects of Alternative Planting of Cultivars on Photosynthetic Ability and Yield in Soybean  

Kim Ik Je (Chungbuk Agricultural Research and Extension Services)
Son Seok Yong (College of Agriculture, Chungbuk National University)
Ryu In Mo (Chungbuk Agricultural Research and Extension Services)
Lee Ki Yeol (Chungbuk Agricultural Research and Extension Services)
Yun Tae (Chungbuk Agricultural Research and Extension Services)
Lee Cheol Hee (Chungbuk Agricultural Research and Extension Services)
Park Seong Kyu (Chungbuk Agricultural Research and Extension Services)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.50, no.6, 2005 , pp. 411-414 More about this Journal
Abstract
The purpose of this study was to determine proper method for alternative row culture of two varieties to increase seed yield in soybean. The test varieties 'Hwangkeumkong' and 'Taekwangkong' which were planted monoculture of each variety, seeding after mixing same number of seeds of two varieties, 1-row alternation, 2­row alternation, 2-row 'Hwangkeumkong' and 1-row 'Taekwangkong' and 1-row 'Hwangkeumkong' and 2­row 'Taekwangkong'. Alternative planting of 1-row 'Hwangkeumkong' and 1-row 'Taekwangkong' resulted the highest canopy height and reduced lodging most effectively. The terminal and the 9th leaves of 'Taekwangkong' in alternative variety planting showed the higher photosynthetic ability than pure stand of that. Alternative planting of two varieties in every other row increased yield by $17\%$ in 'Hwangkeumkong' and by $8\%$ in 'Taekwangkong'.
Keywords
soybean; lodging; photosynthetic ability; yield;
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