KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)
- Volume 42 Issue 6
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- Pages.722-728
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- 1997
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- 0252-9777(pISSN)
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- 2287-8432(eISSN)
Influence of Midsummer Drainage Times on Growth and Lodging of Rice Plant in Direct Seeding on Flooded Paddy Surface
벼 담수표면직파 재배시 중간낙수 회수가 생육 및 도복에 미치는 영향
- Back, Nam-Hyun (National Honam Agricultural Experiment Station, RDA) ;
- Kim, Sang-Su (National Honam Agricultural Experiment Station, RDA) ;
- Park, Hong-Gyu (National Honam Agricultural Experiment Station, RDA) ;
- Shin, Hyun-Tak (National Honam Agricultural Experiment Station, RDA) ;
- Cho, Soo-Yeon (National Honam Agricultural Experiment Station, RDA) ;
- Lee, Seon-Yong (National Honam Agricultural Experiment Station, RDA)
- Published : 1997.12.01
Abstract
This experiment was conducted to establish the cultural practice for reduction of lodging by the effective water management under direct seeding on flooded paddy surface as treated by the drainage times using Dongjinbyeo at National Honam Agricultural Experiment Station during 1994-1995. As the increased midsummer drainage times, the field lodging were reduced by reduction of culm length and large amounts of root with favorable distribution in deep soil, indicating low canopy architecture could promote the light transmission in the plants and favorable root growth. The yield performance was high by increased drainage times which contributed to mainly percentage of ripened grain and 1, 000-grain weight. As a result, two to three times midsummer drainage as effective water management during plant growth was desirable.
벼 담수표면직파재배시 물관리 방법이 생육 및 도복에 미치는 영향을 구명하고자 1994~1995년까지 3개년에 걸쳐 호남농업시험장 시험포장인 전북통(미사질양토)에서 동진벼를 공시하고 중간낙수회수를 달리하여 생육 및 도복형질을 검토한 결과를 요약하면 다음과 같다. 1. 중간낙수 회수가 많을수록 상시담수보다 초장과 간장이 단축되었고