氮肥减施对超级稻玮两优8612产量及品质的影响
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何嘉辉, 李艳锋, 严天泽, 张选文, 秦鹏, 郭进有, 王凯, 刘雄伦, 杨远柱
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The Effects of Reducing Nitrogen Fertilizer Application on the Yield and Quality of Super Rice Weiliangyou 8612
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He Jiahui, Li Yanfeng, Yan Tianze, Zhang Xuanwen, Qin Peng, Guo Jinyou, Wang Kai, Liu Xionglun, Yang Yuanzhu
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表4 不同施氮水平下玮两优8612产量及其构成因素
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Table 4 Yield and its components of Weiliangyou 8612 under different nitrogen application levels
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年份 Year | 处理 Treatment | 产量 Yield (t/hm2) | 有效穗数 Effective panicle number (/m2) | 穗粒数 Spikelets per panicle | 结实率 Seed-setting rate (%) | 千粒重 1000-grain weight (g) | 2021 | N200 | 11.45±0.51a | 270.44±9.50a | 218.67±20.03ab | 81.90±4.41a | 25.23±0.12a | | N150 | 12.16±0.41a | 250.94±13.21ab | 221.33±2.08ab | 74.90±3.81b | 24.90±0.46a | | N100 | 12.10±0.47a | 245.91±8.51b | 207.33±19.86b | 75.83±1.72ab | 24.67±1.04a | | N50 | 11.47±0.59a | 228.93±6.07bc | 239.00±12.12a | 76.75±4.59ab | 25.00±0.80a | | N0 | 10.59±0.34b | 215.85±19.41c | 194.00±22.72b | 81.65±1.52a | 25.80±0.53a | 2022 | N200 | 10.61±0.20a | 208.57±19.88a | 244.60±17.28ab | 90.30±0.71a | 24.73±1.05ab | | N150 | 10.88±0.85a | 204.66±1.35a | 260.95±8.95a | 85.73±2.07b | 25.03±0.26a | | N100 | 11.06±0.67a | 201.54±9.94a | 249.97±12.69a | 86.70±3.82ab | 24.73±0.21a | | N50 | 10.88±0.17a | 211.50±14.37a | 248.32±16.42ab | 86.64±1.74ab | 24.48±0.37ab | | N0 | 9.64±0.61b | 224.98±23.20a | 226.07±9.60b | 85.90±1.84b | 23.93±0.15b | 2023 | N200 | 12.21±0.13a | 184.28±5.76a | 248.98±6.48a | 86.94±1.45ab | 26.56±1.17a | | N150 | 11.68±0.29ab | 191.04±14.81a | 235.06±26.16ab | 88.34±1.36a | 26.62±0.74a | | N100 | 11.29±0.47b | 194.97±17.12a | 245.05±22.87ab | 85.49±1.66b | 25.98±0.56a | | N50 | 10.52±0.34c | 188.68±9.12a | 249.29±7.85a | 87.06±1.98ab | 25.89±0.91a | | N0 | 9.61±0.72d | 176.67±2.81a | 217.61±15.81b | 86.24±0.72ab | 24.30±0.62b | 均值 Mean | N200 | 11.42 | 225.00 | 237.42 | 86.38 | 25.51 | N150 | 11.57 | 216.26 | 239.11 | 82.99 | 25.52 | | N100 | 11.49 | 214.66 | 234.12 | 82.67 | 25.13 | | N50 | 10.95 | 210.76 | 245.54 | 83.48 | 25.12 | | N0 | 9.95 | 203.75 | 212.56 | 84.60 | 24.68 | 方差分析Analysis of variance | | | | | F值F-value | 年Y | 13.83** | 69.53** | 16.68** | 67.78** | 17.11** | | 处理T | 17.40** | 3.23* | 6.50** | 2.84* | 2.66* | | 年×处理Y × T | 2.85* | 3.15** | NS | 2.62* | 2.88* |
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