氮肥和播种量配置对无人机飞播油菜产量形成的影响
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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
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Effects of Nitrogen Fertilizer and Seeding Amount Configuration on Yield Formation of Rapeseed by Aerial Seeding
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Yang Zepeng, Wan Kejun, Zheng Shenghua, Ao Yuqin, Ma Mingkun, Wan Xue, Li Shanshan, Song Xin, Wang Changtao, Chen Shanghong, Liu Dinghui, Chen Honglin
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表3 油菜群体干物质积累动态特征值
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Table 3 Dynamic characteristic value of dry matter accumulation of rapeseed populations
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处理
Treatment | Wmax
(g/m2) | Vmax
[g/(m2·d)] | Tmax
(d) | T1
(d) | T2
(d) | T
(d) | 回归方程
Regression equation | 决定系数
Coefficient of determination (R2) | | N0S3.0 | 543.39 | 0.62 | 140.23 | 132.05 | 148.41 | 16.36 | y=543.39/(1+6.42E+09e-0.1610x) | 0.99451 | | N180S3.0 | 1037.88 | 1.33 | 131.66 | 123.85 | 139.48 | 15.63 | y=1037.88/(1+4.33E+09e-0.1685x) | 0.99472 | | N180S4.5 | 1252.12 | 1.65 | 133.28 | 125.77 | 140.78 | 15.01 | y=1252.12/(1+1.43E+10e-0.1754x) | 0.99709 | | N135S3.0 | 1001.05 | 1.38 | 134.16 | 127.02 | 141.30 | 14.28 | y=1001.05/(1+5.63E+10e-0.1845x) | 0.99525 | | N135S4.5 | 974.95 | 1.28 | 134.54 | 127.10 | 141.98 | 14.88 | y=974.95/(1+2.21E+10e-0.1770x) | 0.99253 |
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