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- W1892602042 abstract "본 연구는 예방적 잡초방제 중 하나인 가묘상의 이용방법을 체계화 하고자 처리방법과 처리시기를 달리하여 옥수수 밭에서 수행하였다. 가묘상 처리 적기를 찾기 위하여 5월 초부터 6월 초까지 1주 단위로 실시하고 3주와 7주 후 발생 잡초를 조사하였다. 잡초 억제 효과가 가장 좋았던 가묘상 처리시기는 5월 하순 이후 처리, 처리 방법으로는 화염 제초가 얕은 경운 처리보다 다소 좋았다. 또한 5월 중순 이후 가묘상 1회 처리시 무처리구 대비 27-52%였던 잡초억제율이 2회 처리시 70-90%로 높아져 가묘상의 활용 가능성을 보여주었다. 옥수수 생육 및 수량 또한 5월 하순 이후 처리구가 가장 좋았다. 이 결과를 종합했을 때 가묘상 처리 적기는 5월 하순 이후였으며 얕은경운 또는 화염으로 2회 처리를 하면 효과적인 초기잡초관리를 수행할 수 있었다. Effects of false seedbed procedures in organic corn field were evaluated as affected by preparation date and method. False seedbed was prepared at May 7, 14, 21, 28 and June 5 with shallow tillage or flame weeding. Weed suppression rate of each treatment was evaluated 3 weeks after sowing. Optimal false seedbed preparation time was between end of May and early in June. Weed suppression rate of early false seedbed preparation was quiet low. Flaming weed treatment was better than shallow tillage. Weed suppression rate by the second treatment was increased approximately 30-60% compared to <TEX>$1^{st}$</TEX> treatment. Weed suppression rate at 3 weeks after sowing was 70-90% by the second false seedbed preparation. The results showed that the false seedbed technique between end of May and early in June preparation has some potential weed control to reduce weed population during crop growth. Therefore late planting time crop such as corn, sorghum and soybean would be possible to apply false seedbed for organic weed control." @default.
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- W1892602042 date "2014-12-31" @default.
- W1892602042 modified "2023-09-26" @default.
- W1892602042 title "False Seedbed Weed Control under Different Preparation Date and Method in Organic Corn Field" @default.
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- W1892602042 doi "https://doi.org/10.5660/wts.2014.3.4.299" @default.
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