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Soybean sowing date effects on weed communities in untilled and tilled fields in north-eastern Japan |
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| Authors: | HIROYUKI KOBAYASHI ATSUSHI OYANAGI |
| Institution: | Department of Upland Farming, National Agricultural Research Center for the Tohoku Region, Fukushima, Japan |
| Abstract: | |
| Keywords: | broadleaf weed grass weed sowing date soybean tillage weed community |