Chinese Journal OF Rice Science ›› 2021, Vol. 35 ›› Issue (2): 155-165.DOI: 10.16819/j.1001-7216.2021.0519
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Cheng YANG1, Yang WANG1, Wanyang ZHANG1, Tinghong YE1, Jianwei LU1, Geng ZHANG3, Xiaokun LI1,2,*()
Received:
2020-05-29
Revised:
2020-12-07
Online:
2021-03-10
Published:
2021-03-10
Contact:
Xiaokun LI
杨丞1, 汪洋1, 张万洋1, 叶廷红1, 鲁剑巍1, 张赓3, 李小坤1,2,*()
通讯作者:
李小坤
基金资助:
Cheng YANG, Yang WANG, Wanyang ZHANG, Tinghong YE, Jianwei LU, Geng ZHANG, Xiaokun LI. Effects of Interaction Between Irrigation Mode and Nitrogen Application Rate on the Yield Formation of Main Stem and Tillers of Rice[J]. Chinese Journal OF Rice Science, 2021, 35(2): 155-165.
杨丞, 汪洋, 张万洋, 叶廷红, 鲁剑巍, 张赓, 李小坤. 灌溉模式与施氮量互作对水稻茎蘖产量形成的影响[J]. 中国水稻科学, 2021, 35(2): 155-165.
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URL: http://www.ricesci.cn/EN/10.16819/j.1001-7216.2021.0519
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 总根长 TRL/m | 根表面积 TRSA/(×103 cm2) | 根体积 TRV/cm3 | 根尖数 TRN/(×104) | 平均根直径 ARD/mm |
---|---|---|---|---|---|---|
W1 | N0 | 19.29±1.05 c | 0.88±0.05 d | 32.64±2.21 c | 0.53±0.02 e | 1.46±0.01 d |
N1 | 30.66±3.08 b | 1.35±0.09 c | 43.65±2.61 b | 1.01±0.14 cd | 2.85±0.35 b | |
N2 | 37.58±1.68 a | 2.03±0.16 a | 78.23±0.23 a | 1.15±0.05 bc | 3.73±0.35 a | |
W2 | N0 | 23.59±2.35 c | 0.90±0.09 d | 28.81±2.15 c | 0.77±0.14 de | 1.21±0.07 d |
N1 | 39.05±0.24 a | 1.69±0.22 b | 50.77±6.76 b | 1.00±0.01 cd | 2.24±0.16 c | |
N2 | 36.44±2.23 a | 2.03±0.08 a | 48.77±0.14 b | 1.62±0.20 a | 3.06±0.43 b | |
W3 | N0 | 37.59±3.31 a | 1.06±0.07 d | 26.91±2.31 c | 0.89±0.02 cd | 1.47±0.28 d |
N1 | 37.60±3.61 a | 1.63±0.18 b | 50.17±4.08 b | 1.06±0.06 c | 2.79±0.39 b | |
N2 | 29.87±3.87 b | 1.97±0.12 a | 47.64±7.95 b | 1.36±0.30 b | 3.19±0.43 b | |
F值 | W | 11.29** | 2.98 | 16.16** | 7.61** | 6.04* |
F-value | N | 30.35** | 154.95** | 117.35** | 47.75** | 89.60** |
W×N | 21.91** | 2.45 | 21.77** | 3.09* | 0.97 |
Table 1 Effects of interaction between irrigation mode and nitrogen application rate on root morphology of rice.
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 总根长 TRL/m | 根表面积 TRSA/(×103 cm2) | 根体积 TRV/cm3 | 根尖数 TRN/(×104) | 平均根直径 ARD/mm |
---|---|---|---|---|---|---|
W1 | N0 | 19.29±1.05 c | 0.88±0.05 d | 32.64±2.21 c | 0.53±0.02 e | 1.46±0.01 d |
N1 | 30.66±3.08 b | 1.35±0.09 c | 43.65±2.61 b | 1.01±0.14 cd | 2.85±0.35 b | |
N2 | 37.58±1.68 a | 2.03±0.16 a | 78.23±0.23 a | 1.15±0.05 bc | 3.73±0.35 a | |
W2 | N0 | 23.59±2.35 c | 0.90±0.09 d | 28.81±2.15 c | 0.77±0.14 de | 1.21±0.07 d |
N1 | 39.05±0.24 a | 1.69±0.22 b | 50.77±6.76 b | 1.00±0.01 cd | 2.24±0.16 c | |
N2 | 36.44±2.23 a | 2.03±0.08 a | 48.77±0.14 b | 1.62±0.20 a | 3.06±0.43 b | |
W3 | N0 | 37.59±3.31 a | 1.06±0.07 d | 26.91±2.31 c | 0.89±0.02 cd | 1.47±0.28 d |
N1 | 37.60±3.61 a | 1.63±0.18 b | 50.17±4.08 b | 1.06±0.06 c | 2.79±0.39 b | |
N2 | 29.87±3.87 b | 1.97±0.12 a | 47.64±7.95 b | 1.36±0.30 b | 3.19±0.43 b | |
F值 | W | 11.29** | 2.98 | 16.16** | 7.61** | 6.04* |
F-value | N | 30.35** | 154.95** | 117.35** | 47.75** | 89.60** |
W×N | 21.91** | 2.45 | 21.77** | 3.09* | 0.97 |
Fig. 1. Effects of interaction between irrigation mode and nitrogen application rate on bleeding rate. Values are Mean±SD(n=3); values followed by different small letters are significantly different at P<0.05(Duncan). * Significant interaction at P<0.05; ** Significant interaction at P<0.01. The same as below.
生育时期 Growth stage | 灌溉模式 Irrigation regime | 施氮量 Nitrogen rate | 根系生物量 Root biomass /(t·hm-2) | 地上部生物量 Aboveground biomass/(t·hm-2) | 根冠比 Root-shoot ratio | ||
---|---|---|---|---|---|---|---|
茎Stem | 叶Leaf | 穗Panicle | |||||
拔节期 Jointing stage | W1 | N0 | 0.43±0.04 d | 1.13±0.07 c | 0.56±0.04 e | - | 0.26±0.02 e |
N1 | 0.66±0.04 c | 1.58±0.12 ab | 1.09±0.15 c | - | 0.25±0.01 e | ||
N2 | 0.96±0.03 b | 1.64±0.12 a | 1.31±0.19 ab | - | 0.33±0.03 cd | ||
W2 | N0 | 0.32±0.05 de | 0.59±0.05 d | 0.32±0.03 f | - | 0.35±0.03 c | |
N1 | 0.67±0.02 c | 1.35±0.16 bc | 0.89±0.01 d | - | 0.30±0.01 d | ||
N2 | 1.29±0.14 a | 1.61±0.02 a | 1.28±0.07 b | - | 0.45±0.04 a | ||
W3 | N0 | 0.27±0.02 e | 0.53±0.07 d | 0.31±0.04 f | - | 0.32±0.01 cd | |
N1 | 0.88±0.12 b | 1.70±0.25 a | 1.05±0.12 cd | - | 0.32±0.02 cd | ||
N2 | 1.32±0.16 a | 1.82±0.22 a | 1.46±0.12 a | - | 0.40±0.02 b | ||
F值 | W | 5.67* | 0.53 | 5.57* | - | 36.85** | |
F-value | N | 220.47** | 24.48** | 196.96** | - | 49.06** | |
W×N | 9.54** | 0.54 | 3.07* | - | 2.31 | ||
抽穗期 Heading stage | W1 | N0 | 0.55±0.07 d | 2.22±0.08 d | 0.71±0.07 e | 0.73±0.04 cd | 0.15±0.01 bc |
N1 | 0.92±0.11 c | 3.53±0.27 bc | 1.66±0.19 bc | 1.49±0.13 a | 0.14±0.01 cd | ||
N2 | 0.94±0.12 c | 3.52±0.50 bc | 1.77±0.09 b | 0.84±0.05 c | 0.15±0.01 b | ||
W2 | N0 | 0.49±0.00 d | 1.87±0.16 d | 0.52±0.01 e | 0.61±0.04 d | 0.16±0.01 ab | |
N1 | 1.12±0.04 b | 3.94±0.52 b | 1.47±0.20 cd | 1.31±0.15 a | 0.17±0.01 a | ||
N2 | 1.36±0.08 a | 4.52±0.28 a | 2.21±0.29 a | 1.43±0.19 a | 0.14±0.01 d | ||
W3 | N0 | 0.47±0.03 d | 1.68±0.05 d | 0.53±0.05 e | 0.58±0.06 d | 0.17±0.00 a | |
N1 | 0.83±0.08 c | 3.10±0.10 c | 1.32±0.04 d | 0.85±0.09 c | 0.16±0.01 ab | ||
N2 | 0.91±0.06 c | 3.26±0.24 c | 1.65±0.07 bc | 1.10±0.08 b | 0.15±0.00 bc | ||
F值 | W | 27.39** | 16.42** | 7.79** | 15.04** | 13.87** | |
F-value | N | 145.31** | 101.18** | 197.29** | 75.33** | 1.07 | |
W×N | 9.52** | 5.39** | 5.93** | 18.91** | 4.97** |
Table 2 Effects of interaction between irrigation mode and nitrogen application rate on biomass at different growth stages of rice.
生育时期 Growth stage | 灌溉模式 Irrigation regime | 施氮量 Nitrogen rate | 根系生物量 Root biomass /(t·hm-2) | 地上部生物量 Aboveground biomass/(t·hm-2) | 根冠比 Root-shoot ratio | ||
---|---|---|---|---|---|---|---|
茎Stem | 叶Leaf | 穗Panicle | |||||
拔节期 Jointing stage | W1 | N0 | 0.43±0.04 d | 1.13±0.07 c | 0.56±0.04 e | - | 0.26±0.02 e |
N1 | 0.66±0.04 c | 1.58±0.12 ab | 1.09±0.15 c | - | 0.25±0.01 e | ||
N2 | 0.96±0.03 b | 1.64±0.12 a | 1.31±0.19 ab | - | 0.33±0.03 cd | ||
W2 | N0 | 0.32±0.05 de | 0.59±0.05 d | 0.32±0.03 f | - | 0.35±0.03 c | |
N1 | 0.67±0.02 c | 1.35±0.16 bc | 0.89±0.01 d | - | 0.30±0.01 d | ||
N2 | 1.29±0.14 a | 1.61±0.02 a | 1.28±0.07 b | - | 0.45±0.04 a | ||
W3 | N0 | 0.27±0.02 e | 0.53±0.07 d | 0.31±0.04 f | - | 0.32±0.01 cd | |
N1 | 0.88±0.12 b | 1.70±0.25 a | 1.05±0.12 cd | - | 0.32±0.02 cd | ||
N2 | 1.32±0.16 a | 1.82±0.22 a | 1.46±0.12 a | - | 0.40±0.02 b | ||
F值 | W | 5.67* | 0.53 | 5.57* | - | 36.85** | |
F-value | N | 220.47** | 24.48** | 196.96** | - | 49.06** | |
W×N | 9.54** | 0.54 | 3.07* | - | 2.31 | ||
抽穗期 Heading stage | W1 | N0 | 0.55±0.07 d | 2.22±0.08 d | 0.71±0.07 e | 0.73±0.04 cd | 0.15±0.01 bc |
N1 | 0.92±0.11 c | 3.53±0.27 bc | 1.66±0.19 bc | 1.49±0.13 a | 0.14±0.01 cd | ||
N2 | 0.94±0.12 c | 3.52±0.50 bc | 1.77±0.09 b | 0.84±0.05 c | 0.15±0.01 b | ||
W2 | N0 | 0.49±0.00 d | 1.87±0.16 d | 0.52±0.01 e | 0.61±0.04 d | 0.16±0.01 ab | |
N1 | 1.12±0.04 b | 3.94±0.52 b | 1.47±0.20 cd | 1.31±0.15 a | 0.17±0.01 a | ||
N2 | 1.36±0.08 a | 4.52±0.28 a | 2.21±0.29 a | 1.43±0.19 a | 0.14±0.01 d | ||
W3 | N0 | 0.47±0.03 d | 1.68±0.05 d | 0.53±0.05 e | 0.58±0.06 d | 0.17±0.00 a | |
N1 | 0.83±0.08 c | 3.10±0.10 c | 1.32±0.04 d | 0.85±0.09 c | 0.16±0.01 ab | ||
N2 | 0.91±0.06 c | 3.26±0.24 c | 1.65±0.07 bc | 1.10±0.08 b | 0.15±0.00 bc | ||
F值 | W | 27.39** | 16.42** | 7.79** | 15.04** | 13.87** | |
F-value | N | 145.31** | 101.18** | 197.29** | 75.33** | 1.07 | |
W×N | 9.52** | 5.39** | 5.93** | 18.91** | 4.97** |
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 成穗率 Productive tiller percentage/% | 产量Grain yield/(t·hm-2) | 产量贡献率Yield contribution rate/% | |||||
---|---|---|---|---|---|---|---|---|---|
主茎 MS | 一次分蘖 PT | 二次分蘖 ST | 主茎 MS | 一次分蘖 PT | 二次分蘖 ST | ||||
W1 | N0 | 63.43±3.09 b | 1.41±0.12 a | 2.56±0.23 d | - | 35.63±0.93 a | 64.37±1.69 b | - | |
N1 | 71.41±3.13 a | 1.43±0.06 a | 4.64±0.19 ab | 0.38±0.02 c | 22.21±0.30 cd | 71.97±0.97 ab | 5.82±0.08 e | ||
N2 | 63.58±2.84 b | 1.23±0.14 bc | 4.33±0.51 b | 0.80±0.09 a | 19.32±0.39 e | 68.09±1.37 b | 12.58±0.25 a | ||
W2 | N0 | 73.08±4.88 a | 1.01±0.06 de | 2.11±0.13 de | - | 32.37±3.03 b | 67.63±6.32 b | - | |
N1 | 75.51±1.92 a | 1.12±0.07 cd | 3.20±0.21 c | 0.47±0.03 c | 23.38±1.38 c | 66.90±3.95 b | 9.72±0.57 c | ||
N2 | 77.38±5.38 a | 0.94±0.05 de | 4.92±0.26 a | 0.43±0.02 c | 15.00±0.57 f | 78.15±2.98 a | 6.85±0.26 d | ||
W3 | N0 | 63.00±3.00 b | 0.93±0.08 e | 2.00±0.17 e | - | 31.84±1.06 b | 68.16±2.27 b | - | |
N1 | 73.11±3.55 a | 1.08±0.05 cde | 3.69±0.18 c | 0.60±0.03 b | 20.15±1.83 de | 68.69±6.25 b | 11.16±1.02 b | ||
N2 | 74.92±5.41 a | 1.31±0.15 ab | 4.72±0.54 ab | 0.71±0.08 a | 19.39±1.29 e | 70.11±4.68 b | 10.50±0.70 bc | ||
F值 | W | 12.69** | 29.93** | 5.44* | 22.50** | 6.05* | 1.81 | 29.87** | |
F-value | N | 7.86** | 2.12 | 150.96** | 43.02** | 276.21** | 4.34* | 15.71** | |
W×N | 2.75 | 8.02** | 9.03** | 28.41** | 6.55** | 3.29* | 114.77** |
Table 3 Effects of interaction between irrigation mode and nitrogen application rate on yield components of main stem and tillers.
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 成穗率 Productive tiller percentage/% | 产量Grain yield/(t·hm-2) | 产量贡献率Yield contribution rate/% | |||||
---|---|---|---|---|---|---|---|---|---|
主茎 MS | 一次分蘖 PT | 二次分蘖 ST | 主茎 MS | 一次分蘖 PT | 二次分蘖 ST | ||||
W1 | N0 | 63.43±3.09 b | 1.41±0.12 a | 2.56±0.23 d | - | 35.63±0.93 a | 64.37±1.69 b | - | |
N1 | 71.41±3.13 a | 1.43±0.06 a | 4.64±0.19 ab | 0.38±0.02 c | 22.21±0.30 cd | 71.97±0.97 ab | 5.82±0.08 e | ||
N2 | 63.58±2.84 b | 1.23±0.14 bc | 4.33±0.51 b | 0.80±0.09 a | 19.32±0.39 e | 68.09±1.37 b | 12.58±0.25 a | ||
W2 | N0 | 73.08±4.88 a | 1.01±0.06 de | 2.11±0.13 de | - | 32.37±3.03 b | 67.63±6.32 b | - | |
N1 | 75.51±1.92 a | 1.12±0.07 cd | 3.20±0.21 c | 0.47±0.03 c | 23.38±1.38 c | 66.90±3.95 b | 9.72±0.57 c | ||
N2 | 77.38±5.38 a | 0.94±0.05 de | 4.92±0.26 a | 0.43±0.02 c | 15.00±0.57 f | 78.15±2.98 a | 6.85±0.26 d | ||
W3 | N0 | 63.00±3.00 b | 0.93±0.08 e | 2.00±0.17 e | - | 31.84±1.06 b | 68.16±2.27 b | - | |
N1 | 73.11±3.55 a | 1.08±0.05 cde | 3.69±0.18 c | 0.60±0.03 b | 20.15±1.83 de | 68.69±6.25 b | 11.16±1.02 b | ||
N2 | 74.92±5.41 a | 1.31±0.15 ab | 4.72±0.54 ab | 0.71±0.08 a | 19.39±1.29 e | 70.11±4.68 b | 10.50±0.70 bc | ||
F值 | W | 12.69** | 29.93** | 5.44* | 22.50** | 6.05* | 1.81 | 29.87** | |
F-value | N | 7.86** | 2.12 | 150.96** | 43.02** | 276.21** | 4.34* | 15.71** | |
W×N | 2.75 | 8.02** | 9.03** | 28.41** | 6.55** | 3.29* | 114.77** |
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 产量 Grain yield /(t·hm-2) | 有效穗数 Effective panicle number/(×104·hm-2) | 每穗粒数 Spikelet number per panicle | 结实率 Seed setting rate /% | 千粒重 1000-grain weight /g |
---|---|---|---|---|---|---|
W1 | N0 | 3.74±0.10 d | 139.64±7.80 e | 128.6±3.0 b | 88.83±2.64 a | 24.87±0.77 a |
N1 | 6.25±0.08 ab | 222.92±17.78 cd | 148.3±9.4 a | 81.76±3.16 b | 23.95±0.30 abc | |
N2 | 6.05±0.12 b | 236.20±17.90 bc | 141.1±10.3 a | 81.28±0.18 b | 23.45±0.18 c | |
W2 | N0 | 2.94±0.28 e | 142.64±7.51 e | 109.6±2.5 c | 80.76±0.78 bc | 24.66±0.91 ab |
N1 | 4.77±0.28 c | 209.06±20.01 d | 120.4±4.7 bc | 79.69±3.85 bc | 23.94±0.62 abc | |
N2 | 6.22±0.24 ab | 253.29±14.90 ab | 141.5±3.5 a | 78.71±2.57 bc | 22.31±0.87 d | |
W3 | N0 | 2.74±0.09 e | 141.89±6.76 e | 112.3±7.2 c | 78.01±3.72 bc | 23.61±0.48 bc |
N1 | 5.03±0.46 c | 243.13±10.97 abc | 118.9±9.5 bc | 77.62±2.13 bc | 23.97±0.59 abc | |
N2 | 6.63±0.44 a | 265.07±12.13 a | 149.1±4.4 a | 75.98±3.06 c | 22.38±0.31 d | |
F值 | W | 16.94** | 4.17* | 13.42** | 14.29** | 3.75* |
F-value | N | 326.49** | 158.30** | 36.53** | 4.87* | 18.46** |
W×N | 12.10** | 1.96 | 6.53** | 1.62 | 1.84 |
Table 4 Effects of interaction between irrigation mode and nitrogen application rate on grain yield and its components.
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 产量 Grain yield /(t·hm-2) | 有效穗数 Effective panicle number/(×104·hm-2) | 每穗粒数 Spikelet number per panicle | 结实率 Seed setting rate /% | 千粒重 1000-grain weight /g |
---|---|---|---|---|---|---|
W1 | N0 | 3.74±0.10 d | 139.64±7.80 e | 128.6±3.0 b | 88.83±2.64 a | 24.87±0.77 a |
N1 | 6.25±0.08 ab | 222.92±17.78 cd | 148.3±9.4 a | 81.76±3.16 b | 23.95±0.30 abc | |
N2 | 6.05±0.12 b | 236.20±17.90 bc | 141.1±10.3 a | 81.28±0.18 b | 23.45±0.18 c | |
W2 | N0 | 2.94±0.28 e | 142.64±7.51 e | 109.6±2.5 c | 80.76±0.78 bc | 24.66±0.91 ab |
N1 | 4.77±0.28 c | 209.06±20.01 d | 120.4±4.7 bc | 79.69±3.85 bc | 23.94±0.62 abc | |
N2 | 6.22±0.24 ab | 253.29±14.90 ab | 141.5±3.5 a | 78.71±2.57 bc | 22.31±0.87 d | |
W3 | N0 | 2.74±0.09 e | 141.89±6.76 e | 112.3±7.2 c | 78.01±3.72 bc | 23.61±0.48 bc |
N1 | 5.03±0.46 c | 243.13±10.97 abc | 118.9±9.5 bc | 77.62±2.13 bc | 23.97±0.59 abc | |
N2 | 6.63±0.44 a | 265.07±12.13 a | 149.1±4.4 a | 75.98±3.06 c | 22.38±0.31 d | |
F值 | W | 16.94** | 4.17* | 13.42** | 14.29** | 3.75* |
F-value | N | 326.49** | 158.30** | 36.53** | 4.87* | 18.46** |
W×N | 12.10** | 1.96 | 6.53** | 1.62 | 1.84 |
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 秸秆吸氮量 NUs/(kg·hm-2) | 籽粒吸氮量 NUg/(kg·hm-2) | 氮素干物质 生产效率 NDMPE/(kg·kg-1) | 氮素籽粒 生产效率 NGPE/(kg·kg-1) | 氮收获指数 NHI/% |
---|---|---|---|---|---|---|
W1 | N0 | 27.55±1.06 de | 39.55±1.59 e | 107.30±3.92 a | 55.71±2.23 a | 58.99±3.21 cd |
N1 | 62.31±5.63 a | 84.11±4.16 c | 81.25±3.70 bc | 42.79±2.42 cd | 57.49±1.87 cd | |
N2 | 54.81±1.08 b | 92.47±3.90 ab | 72.10±3.16 d | 41.11±1.69 d | 62.77±1.26 bc | |
W2 | N0 | 29.94±1.52 d | 36.62±2.83 e | 87.64±3.99 b | 44.15±2.05 bcd | 54.98±2.28 d |
N1 | 39.78±4.50 c | 62.89±5.26 d | 84.11±4.56 b | 46.45±1.61 bc | 61.26±3.62 bc | |
N2 | 41.52±5.79 c | 90.43±7.92 bc | 74.84±3.87 cd | 47.16±1.38 bc | 68.50±4.51 a | |
W3 | N0 | 21.78±2.32 e | 35.66±1.12 e | 88.88±4.74 b | 47.77±2.88 b | 62.15±2.09 bc |
N1 | 44.17±3.26 c | 67.90±3.19 d | 84.85±3.32 b | 44.88±2.17 bcd | 60.61±1.23 bc | |
N2 | 52.00±4.71 b | 99.69±6.07 a | 73.40±4.95 d | 43.77±3.93 bcd | 65.71±2.89 ab | |
F值 | W | 21.96** | 8.49** | 3.81* | 0.46 | 2.81 |
F-value | N | 108.29** | 366.15** | 60.96** | 12.42** | 16.59** |
W×N | 11.07** | 6.96** | 9.54** | 12.27** | 3.55* |
Table 5 Effects of interaction between irrigation mode and nitrogen application rate on nitrogen use efficiency of rice.
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 秸秆吸氮量 NUs/(kg·hm-2) | 籽粒吸氮量 NUg/(kg·hm-2) | 氮素干物质 生产效率 NDMPE/(kg·kg-1) | 氮素籽粒 生产效率 NGPE/(kg·kg-1) | 氮收获指数 NHI/% |
---|---|---|---|---|---|---|
W1 | N0 | 27.55±1.06 de | 39.55±1.59 e | 107.30±3.92 a | 55.71±2.23 a | 58.99±3.21 cd |
N1 | 62.31±5.63 a | 84.11±4.16 c | 81.25±3.70 bc | 42.79±2.42 cd | 57.49±1.87 cd | |
N2 | 54.81±1.08 b | 92.47±3.90 ab | 72.10±3.16 d | 41.11±1.69 d | 62.77±1.26 bc | |
W2 | N0 | 29.94±1.52 d | 36.62±2.83 e | 87.64±3.99 b | 44.15±2.05 bcd | 54.98±2.28 d |
N1 | 39.78±4.50 c | 62.89±5.26 d | 84.11±4.56 b | 46.45±1.61 bc | 61.26±3.62 bc | |
N2 | 41.52±5.79 c | 90.43±7.92 bc | 74.84±3.87 cd | 47.16±1.38 bc | 68.50±4.51 a | |
W3 | N0 | 21.78±2.32 e | 35.66±1.12 e | 88.88±4.74 b | 47.77±2.88 b | 62.15±2.09 bc |
N1 | 44.17±3.26 c | 67.90±3.19 d | 84.85±3.32 b | 44.88±2.17 bcd | 60.61±1.23 bc | |
N2 | 52.00±4.71 b | 99.69±6.07 a | 73.40±4.95 d | 43.77±3.93 bcd | 65.71±2.89 ab | |
F值 | W | 21.96** | 8.49** | 3.81* | 0.46 | 2.81 |
F-value | N | 108.29** | 366.15** | 60.96** | 12.42** | 16.59** |
W×N | 11.07** | 6.96** | 9.54** | 12.27** | 3.55* |
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 糙米率 BR/% | 精米率 MR/% | 整精米率 HMR/% | 垩白粒率 CR/% | 垩白度 CD/% | 糊化温度 PT/℃ | 胶稠度 GC/mm | 直链淀粉含量 AC/% |
---|---|---|---|---|---|---|---|---|---|
W1 | N0 | 77.8 | 71.2 | 56.6 | 43.3 | 18.9 | 70~74 | 48.33 | 20.3 |
N1 | 79.5 | 72.4 | 57.3 | 27.5 | 11.6 | 75 | 42.00 | 22.1 | |
N2 | 79.3 | 69.2 | 54.3 | 27.7 | 10.8 | 70~74 | 50.33 | 19.2 | |
W2 | N0 | 77.7 | 69.3 | 55.1 | 44.8 | 19.2 | 70~74 | 51.67 | 22.9 |
N1 | 79.0 | 66.5 | 53.8 | 39.0 | 16.8 | <70 | 49.67 | 21.1 | |
N2 | 78.2 | 70.1 | 53.1 | 47.7 | 24.3 | 70~74 | 47.67 | 17.6 | |
W3 | N0 | 76.6 | 67.3 | 53.9 | 54.2 | 24.9 | 70~74 | 48.67 | 18.8 |
N1 | 78.3 | 66.0 | 54.3 | 38.3 | 14.5 | 70~74 | 55.00 | 23.5 | |
N2 | 79.8 | 69.2 | 55.9 | 37.9 | 14.9 | 70~74 | 58.00 | 21.3 |
Table 6 Effects of interaction between irrigation mode and nitrogen application rate on rice quality.
灌溉模式 Irrigation mode | 施氮量 Nitrogen rate | 糙米率 BR/% | 精米率 MR/% | 整精米率 HMR/% | 垩白粒率 CR/% | 垩白度 CD/% | 糊化温度 PT/℃ | 胶稠度 GC/mm | 直链淀粉含量 AC/% |
---|---|---|---|---|---|---|---|---|---|
W1 | N0 | 77.8 | 71.2 | 56.6 | 43.3 | 18.9 | 70~74 | 48.33 | 20.3 |
N1 | 79.5 | 72.4 | 57.3 | 27.5 | 11.6 | 75 | 42.00 | 22.1 | |
N2 | 79.3 | 69.2 | 54.3 | 27.7 | 10.8 | 70~74 | 50.33 | 19.2 | |
W2 | N0 | 77.7 | 69.3 | 55.1 | 44.8 | 19.2 | 70~74 | 51.67 | 22.9 |
N1 | 79.0 | 66.5 | 53.8 | 39.0 | 16.8 | <70 | 49.67 | 21.1 | |
N2 | 78.2 | 70.1 | 53.1 | 47.7 | 24.3 | 70~74 | 47.67 | 17.6 | |
W3 | N0 | 76.6 | 67.3 | 53.9 | 54.2 | 24.9 | 70~74 | 48.67 | 18.8 |
N1 | 78.3 | 66.0 | 54.3 | 38.3 | 14.5 | 70~74 | 55.00 | 23.5 | |
N2 | 79.8 | 69.2 | 55.9 | 37.9 | 14.9 | 70~74 | 58.00 | 21.3 |
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