Study on Optimal Nitrogen Application Rate for Relay Cropped Rapeseed after Wheat under Different Planting Patterns in the Yellow River Irrigation Region
1College of Resources and Environment, Huazhong Agricultural University / Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan 430070, Hubei, China
2Ordos Agricultural & Animal Husbandry Ecology and Resource Protection Center, Ordos 017010, Inner Mongolia, China
3Plant Protection Institute, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot 010031, Inner Mongolia, China
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