侧深施氮对水稻产量及氮素吸收利用的影响
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

Effects of side deep placement of nitrogen on rice yield and nitrogen use efficiency
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
表3 侧深施肥不同施肥方式对水稻茎蘖动态的影响
Table 3 Effects of different fertilization methods on tillering dynamics of rice
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