侧深施氮对水稻产量及氮素吸收利用的影响
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黄恒, 姜恒鑫, 刘光明, 袁嘉琦, 汪源, 赵灿, 王维领, 霍中洋, 许轲, 戴其根, 张洪程, 李德剑, 刘国林
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Effects of side deep placement of nitrogen on rice yield and nitrogen use efficiency
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HUANG Heng, JIANG Heng-Xin, LIU Guang-Ming, YUAN Jia-Qi, WANG Yuan, ZHAO Can, WANG Wei-Ling, HUO Zhong-Yang, XU Ke, DAI Qi-Gen, ZHANG Hong-Cheng, LI De-Jian, LIU Guo-Lin
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表3 侧深施肥不同施肥方式对水稻茎蘖动态的影响
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Table 3 Effects of different fertilization methods on tillering dynamics of rice
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年份 Year | 品种 Variety | 处理 Treatment | 分蘖盛期 Peak seeding stage (×104 hm-2) | 拔节期 Jointing stage (×104 hm-2) | 抽穗期 Heading stage (×104 hm-2) | 成熟期 Maturity stage (×104 hm-2) | 茎蘖成穗率 Percentage of productive tiller (%) | 2019 | 南粳9108 Nanjing 9108 | 0N | 342.20 e | 327.37 e | 257.53 c | 257.43 d | 74.54 a | CFM | 515.20 d | 503.79 d | 355.11 b | 353.44 c | 68.29 b | FM1 | 611.79 a | 585.48 a | 355.46 b | 355.47 c | 57.50 c | FM2 | 622.08 a | 594.71 a | 381.68 a | 379.14 b | 60.13 c | FM3 | 589.87 b | 580.07 ab | 408.13 a | 408.34 a | 68.12 b | FM4 | 569.61 c | 555.34 c | 396.63 a | 394.82 a | 65.41 b | 南粳5718 Nanjing 5718 | 0N | 366.13 d | 346.88 e | 268.24 d | 268.41 c | 72.64 a | CFM | 534.42 c | 512.33 d | 368.71 c | 366.47 b | 67.89 b | FM1 | 631.77 a | 622.97 a | 380.50 b | 377.59 b | 59.31 c | FM2 | 629.59 a | 620.22 a | 381.83 b | 379.71 b | 59.67 c | FM3 | 604.49 b | 597.85 ab | 415.67 a | 415.21 a | 68.05 b | FM4 | 589.76 b | 567.67 c | 410.78 a | 408.88 a | 68.82 b | 2020 | 南粳9108 Nanjing 9108 | 0N | 340.22 e | 323.89 e | 257.35 d | 257.21 d | 71.92 a | CFM | 511.02 d | 500.43 d | 353.11 c | 350.78 c | 67.30 b | FM1 | 610.85 a | 582.14 a | 353.26 c | 351.25 c | 60.75 c | FM2 | 618.56 a | 590.85 a | 377.48 b | 376.22 b | 60.50 c | FM3 | 586.39 b | 576.39 ab | 402.11 a | 400.12 a | 67.86 b | FM4 | 567.11 c | 551.56 c | 393.15 a | 392.22 a | 71.08 a | | 南粳5718 Nanjing 5718 | 0N | 361.25 d | 343.58 e | 264.58 c | 264.23 c | 76.49 a | CFM | 530.68 c | 510.15 d | 362.15 b | 361.75 b | 67.09 b | FM1 | 628.55 a | 620.05 a | 377.22 b | 376.19 b | 60.44 c | 年份 Year | 品种 Variety | 处理 Treatment | 分蘖盛期 Peak seeding stage (×104 hm-2) | 拔节期 Jointing stage (×104 hm-2) | 抽穗期 Heading stage (×104 hm-2) | 成熟期 Maturity stage (×104 hm-2) | 茎蘖成穗率 Percentage of productive tiller (%) | | | FM2 | 627.15 a | 615.64 a | 379.29 b | 378.05 b | 61.57 c | FM3 | 601.25 b | 592.61 ab | 411.39 a | 410.05 a | 68.06 b | FM4 | 585.28 b | 564.55 c | 408.12 a | 407.56 a | 69.24 b | 方差分析Variance analysis | Y | ns | ns | ns | ns | ns | V | ** | * | * | * | ns | T | ** | ** | ** | ** | ** | Y×T | ns | ns | ns | ns | ns | Y×V | ns | ns | ns | ns | ns | V×T | ** | ** | ** | ** | ** | Y×V×T | ns | ns | ns | ns | ns |
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