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栽培地域에 따른 大豆品種別 播種基가 收量性에 미치는 影響
崔京求,權湧周,金鎭基,愼鏞圭,陳星桂,盧承杓 전북대학교 농업과학기술연구소 1980 農大論文集 Vol.11 No.-
To study the adaptation of some soybean cultivars and the suitable sowing date in the Jeonbug area, field experiments were made at 3 sites (Jeonju,Jinan and Jangsu) in 3 growing seasons(early sowing, ordinary sowing and late sowing), Yields and some agronomic characteristics were investigated obtaining the following results. 1. Emergence required longer period in the early sowing (May 25) than the ordinary sowing(June 10) or the late sowing (lune 25)which required the shortest period. No difference was found among varieties in the same sowing date. 2. Number of days from sowing to flowering decreased with a delayed sowing date. The rate of shortened period of time was found in Jangsu, Jinan and Jeonju in increasing order. 3. A delayed sowing date decreased stem length, stem thickness, number of nodes in the main culm, number of pods in the main culm and 100-grain weight showing remarkable de-creases among indeterminate varieties. 4. Seed yield also decreased with a delayed sowing date. 5. The highest yield was found in indeterminate varieties such as Williams or Hill in early or ordinary sowing in Jeonju. However, Kwang-kyo or Suweon #83 gained the better yields in late sowing. 6. In hilly areas (Jinan or Jangsu) determinate varieties, such as Kanglim, Suweon #83 or Kwang-kyo, gained comparatively high yields in any sowing date.