无人机飞播时期及播种方式对冬油菜产量、品质和经济效益的影响

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Effects of UAV Aerial Seeding Period and Seeding Methods on Yield, Quality and Economic Benefits of Winter Oilseed Rape

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图1 2021-2022年冬油菜生育期内月均气温和降水量

Fig.1 Average monthly temperature and rainfall during the growth period of winter oilseed rape in 2021-2022