| Co-Investigator(Kenkyū-buntansha) |
KOKUBUN Makie 東北大学, 大学院農学研究科, 教授 (40323084)
SHIMADA Shinji 独立行政法人農業・食品産業技術総合研究機構, 中央農業総合研究センター, 領域長 (30355309)
SHIRAIWA Tatsuhiko 京都大学, 大学院農学研究科, 教授 (30154363)
ZHENG Shao-Hui 佐賀大学, 農学部, 教授 (90253517)
ISOBE Katsunori 日本大学, 生物資源科学部, 准教授 (60203072)
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| Budget Amount *help |
¥43,680,000 (Direct Cost: ¥33,600,000、Indirect Cost: ¥10,080,000)
Fiscal Year 2013: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
Fiscal Year 2012: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2011: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2010: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
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| Outline of Final Research Achievements |
Bibliographic survey of high-yielding soybean cultivation in Japan revealed that the higher yield potential 786-595 kg/10a were observed. High-yielding trials were practiced at six sites across country, and 496-229 kg/10a were obtained. For the higher yield in soybean, it is essential to achieve the higher dry matter production with more than 10 of LAI under rich solar radiation during seed filling period. To increase the national average of soybean yield, enforcing the basic cultural techniques and decreasing the mechanical harvesting losses mainly caused by lodging are needed.
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