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http://dx.doi.org/10.5660/WTS.2015.4.3.230

Weed Control Method of Cereals Crops Using Weeder Machine for Environment-friendly Control Practice  

Hwang, Jae-Bok (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Jung, Ki-Yeol (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Park, Tae-Seon (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Yun, Jong-Tak (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Kim, Hak-Sin (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Choi, In-Bae (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Koo, Bon-Il (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Bae, Hee-Soo (Crop Production and Physiology Division, National Institute of Crop Science, RDA)
Publication Information
Weed & Turfgrass Science / v.4, no.3, 2015 , pp. 230-235 More about this Journal
Abstract
The experiment was conducted to elucidate the growth characteristics of sorghum in the different planting methods: direct sowing and transplanting (20 days after sowing, DAS). Weed weight was taken from three randomly chosen-2 plots 60 DAS (DAT). One time (20, 30 days after transplanting, DAT) and two times (10/20, 10/30, 20/30, 20/40 DAS) application of weeder machine (FRT 80E) were conducted for direct sowing and transplanting, respectively. In transplanting, the weed control efficacy of weeder machine at 90 DAT was about 67% (DAT 20), 57% (DAT 30) at one time and 87% at two times. The most effective application number was two times (20/40 DAT) followed by one time (20 DAT). However, when reviewing yield and economy, the frequency and times of using weeder machine were preferably one time and 20 DAT. Results with mechanical weed control have been particularly good in transplanted row crops such as sorghum. In direct sowing, the weed control efficacy of weeder machine 60 DAS was about 87% (10/20 DAS), 88% (10/30 DAS) and 82% (20/30 DAS) at two times, respectively. When reviewing yield and economy, the times and frequency of weeder machine were preferably two times, 10 and 30 DAS.
Keywords
Cereal crop; Sorghum; Weed; Weeder machine;
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  • Reference
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