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http://dx.doi.org/10.5660/KJWS.2010.30.3.252

Effect of Seeding Methods to the Growing Alopecurus aequalis var. amurensis in Wheat Field of Rice-wheat Cropping System  

Kim, Sun (National Institute of Crop Science, RDA)
Ahn, Seung-Hyeon (National Institute of Crop Science, RDA)
Im, Il-Bin (National Institute of Crop Science, RDA)
Cheong, Young-Keun (National Institute of Crop Science, RDA)
Kim, Si-Ju (National Institute of Crop Science, RDA)
Publication Information
Korean Journal of Weed Science / v.30, no.3, 2010 , pp. 252-257 More about this Journal
Abstract
The experiments were carried out to develop ecological weed control system in wheat field of rice-wheat cropping system. The results were, depression effect on water foxtail by wheat seeding method decreased the seeding after doing soil rotary by 85% compared with the no practices. The occurrence of Water foxtail was 40 piece $m^{-2}$ on October 16, 29 piece $m^{-2}$ on October 26, and 4 piece $m^{-2}$ when surveying based on the standard of seeding the wheat at 15kg $ha^{-1}$ which decreased as the seeding time got later. According to the wheat seeding quantity 29 piece $m^{-2}$ occurred at 150kg $ha^{-1}$, and 8-11 piece $m^{-2}$ decreasingly at more than 200 kg $ha^{-1}$ of wheat seedlings based on seeding on October 26. As a result of summarizing the above results, crushing the soil by use of rotary before seeding wheat against the end of October, and seeding by increasing the seedling quantity (200 kg $ha^{-1}$) it is judged that the competition damage by weeds including water foxtail can be reduced without any use of herbicide.
Keywords
water foxtail; wheat field;
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