氮肥和播种量配置对无人机飞播油菜产量形成的影响

杨泽鹏, 万柯均, 郑盛华, 敖玉琴, 马明坤, 万学, 李珊珊, 宋昕, 王昌桃, 陈尚洪, 刘定辉, 陈红琳

Effects of Nitrogen Fertilizer and Seeding Amount Configuration on Yield Formation of Rapeseed by Aerial Seeding

Yang Zepeng, Wan Kejun, Zheng Shenghua, Ao Yuqin, Ma Mingkun, Wan Xue, Li Shanshan, Song Xin, Wang Changtao, Chen Shanghong, Liu Dinghui, Chen Honglin

表4 油菜成熟期群体氮素累积及分配特征

Table 4 Characteristics of nitrogen accumulation and partitioning of rapeseed populations at maturity stage

处理 Treatment 氮素积累Nitrogen accumulation (kg/hm2) 氮素分配比例Nitrogen distribution ratio (%) 整株 Whole plant 茎枝 Stem and branch 角果壳 Shell 籽粒 Seed 茎枝 Stem and branch 角果壳 Shell 籽粒 Seed N0S3.0 65.64d 7.74c 7.50c 50.40b 11.86a 11.23ab 76.91a N180S3.0 129.17ab 23.28a 15.31ab 90.57a 18.00a 11.85ab 70.16b N180S4.5 136.12a 20.60a 17.82a 97.69a 15.12a 13.10a 71.77ab N135S3.0 104.05c 13.58bc 11.05bc 79.42a 13.01a 10.55ab 76.44a N135S4.5 112.47bc 18.72ab 10.92bc 82.83a 17.10a 9.62b 73.28ab