Chinese Journal OF Rice Science ›› 2019, Vol. 33 ›› Issue (3): 257-268.DOI: 10.16819/j.1001-7216.2019.8102
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Yaozhu YIN, Changchun GUO, Yongjian SUN*(), Yunxia WU, Huaqing YU, Zhibai SUN, Qiao ZHANG, Haiyue WANG, Zhiyuan YANG, Jun MA
Received:
2018-09-13
Revised:
2019-02-26
Online:
2019-05-10
Published:
2019-05-10
Contact:
Yongjian SUN
殷尧翥, 郭长春, 孙永健*(), 武云霞, 余华清, 孙知白, 张桥, 王海月, 杨志远, 马均
通讯作者:
孙永健
基金资助:
CLC Number:
Yaozhu YIN, Changchun GUO, Yongjian SUN, Yunxia WU, Huaqing YU, Zhibai SUN, Qiao ZHANG, Haiyue WANG, Zhiyuan YANG, Jun MA. Effects of Rape Straw Retention and Water and Nitrogen Management on Population Quality and Yield of Hybrid Rice Under Rice-rape Rotation[J]. Chinese Journal OF Rice Science, 2019, 33(3): 257-268.
殷尧翥, 郭长春, 孙永健, 武云霞, 余华清, 孙知白, 张桥, 王海月, 杨志远, 马均. 稻油轮作下油菜秸秆还田与水氮管理对杂交稻群体质量和产量的影响[J]. 中国水稻科学, 2019, 33(3): 257-268.
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URL: http://www.ricesci.cn/EN/10.16819/j.1001-7216.2019.8102
年份 Year | 全氮 Total N/(g·kg-1) | 有机质 Organic matter/(g·kg-1) | 速效养分 Available nutrient/(mg·kg-1) | pH | 秸秆量 Rape straw amount/(t·hm-2) | ||
---|---|---|---|---|---|---|---|
N | P | K | |||||
2017 | 1.17 | 19.3 | 91.3 | 31.3 | 86.3 | 6.4 | 10.34 |
2018 | 1.81 | 24.8 | 112.5 | 22.8 | 107.1 | 5.9 | 11.18 |
Table 1 Physicochemical properties of soil (0-20 cm) in the experiments.
年份 Year | 全氮 Total N/(g·kg-1) | 有机质 Organic matter/(g·kg-1) | 速效养分 Available nutrient/(mg·kg-1) | pH | 秸秆量 Rape straw amount/(t·hm-2) | ||
---|---|---|---|---|---|---|---|
N | P | K | |||||
2017 | 1.17 | 19.3 | 91.3 | 31.3 | 86.3 | 6.4 | 10.34 |
2018 | 1.81 | 24.8 | 112.5 | 22.8 | 107.1 | 5.9 | 11.18 |
处理 Treatment | 籽粒产量 Grain yield | 有效穗数 Effective panicle number | 每穗粒数 Number of grains per panicle | 结实率 Seed-setting rate | 千粒重 1000-grain weight |
---|---|---|---|---|---|
秸秆还田 Straw returning (A) | 153.42** | 379.85** | 49.41* | 28.89* | 35.12* |
灌水方式 Irrigation method (W) | 66.16** | 52.91** | 30.51** | 34.13** | 0.95 |
施氮量 N rate(N) | 520.95** | 227.84** | 2153.67** | 43.10** | 25.02** |
A×W | 0.34 | 3.55 | 20.21* | 1.12 | 1.77 |
A×N | 19.38** | 13.90** | 176.09** | 2.46 | 9.29** |
W×N | 6.70* | 0.57 | 17.81** | 2.47 | 3.29* |
A×W×N | 9.70* | 1.94 | 15.90** | 1.42 | 7.17** |
Table 2 Analysis of variance for yield index of rice between straw returning and water and N management patterns (F values).
处理 Treatment | 籽粒产量 Grain yield | 有效穗数 Effective panicle number | 每穗粒数 Number of grains per panicle | 结实率 Seed-setting rate | 千粒重 1000-grain weight |
---|---|---|---|---|---|
秸秆还田 Straw returning (A) | 153.42** | 379.85** | 49.41* | 28.89* | 35.12* |
灌水方式 Irrigation method (W) | 66.16** | 52.91** | 30.51** | 34.13** | 0.95 |
施氮量 N rate(N) | 520.95** | 227.84** | 2153.67** | 43.10** | 25.02** |
A×W | 0.34 | 3.55 | 20.21* | 1.12 | 1.77 |
A×N | 19.38** | 13.90** | 176.09** | 2.46 | 9.29** |
W×N | 6.70* | 0.57 | 17.81** | 2.47 | 3.29* |
A×W×N | 9.70* | 1.94 | 15.90** | 1.42 | 7.17** |
处理 Treatment | 结实期干物 质积累量 Dry matter accumulation during filling stage | 结实期 群体生长率 Population growth rate during filling stage | 成熟期 单茎干物质量 Total weight per stem at maturity | 拔节期 总叶面积 Total LAI during jointing | 齐穗期 总叶面积 Total LAI at full heading | 齐穗期 高效叶面积 Efficient LAI at full heading | 拔节至齐穗 叶面积衰减率 Decreasing rate of leaf area at jointing-full heading |
---|---|---|---|---|---|---|---|
秸秆还田Straw returning (A) | 611.60** | 608.96** | 627.66** | 42.58* | 35.48* | 96.09* | 28.16* |
灌水方式Irrigation method (W) | 9.56* | 9.65* | 118.58** | 0.58 | 0.04 | 46.83** | 8.56* |
施氮量 N rate(N) | 305.48** | 305.41** | 480.07** | 255.04** | 346.73** | 868.59** | 1185.76** |
A×W | 0.67 | 0.68 | 7.03* | 8.73* | 0.78 | 0.17 | 5.30 |
A×N | 11.31** | 11.32** | 0.99 | 9.31** | 4.60* | 3.94* | 4.29* |
W×N | 7.43* | 7.39** | 1.07 | 0.43 | 0.67 | 2.47 | 7.58** |
A×W×N | 2.73 | 2.75* | 0.80 | 0.66 | 0.17 | 1.84 | 3.95* |
Table 3 Analysis of variance for population quality index of rice between straw returning and water and N management patterns (F values).
处理 Treatment | 结实期干物 质积累量 Dry matter accumulation during filling stage | 结实期 群体生长率 Population growth rate during filling stage | 成熟期 单茎干物质量 Total weight per stem at maturity | 拔节期 总叶面积 Total LAI during jointing | 齐穗期 总叶面积 Total LAI at full heading | 齐穗期 高效叶面积 Efficient LAI at full heading | 拔节至齐穗 叶面积衰减率 Decreasing rate of leaf area at jointing-full heading |
---|---|---|---|---|---|---|---|
秸秆还田Straw returning (A) | 611.60** | 608.96** | 627.66** | 42.58* | 35.48* | 96.09* | 28.16* |
灌水方式Irrigation method (W) | 9.56* | 9.65* | 118.58** | 0.58 | 0.04 | 46.83** | 8.56* |
施氮量 N rate(N) | 305.48** | 305.41** | 480.07** | 255.04** | 346.73** | 868.59** | 1185.76** |
A×W | 0.67 | 0.68 | 7.03* | 8.73* | 0.78 | 0.17 | 5.30 |
A×N | 11.31** | 11.32** | 0.99 | 9.31** | 4.60* | 3.94* | 4.29* |
W×N | 7.43* | 7.39** | 1.07 | 0.43 | 0.67 | 2.47 | 7.58** |
A×W×N | 2.73 | 2.75* | 0.80 | 0.66 | 0.17 | 1.84 | 3.95* |
处理 Treatment | 有效穗数 Effective panicles (×104/hm2) | 每穗粒数 Grain number per panicle | 结实率 Seed-setting rate /% | 千粒重 1000-grain weight /g | 实际产量 Grain yield /(kg·hm-2) | ||
---|---|---|---|---|---|---|---|
A1 | W1 | N0 | 144.30 d | 149.20 d | 92.00 a | 37.37 a | 7057.2 d |
N1 | 162.53 c | 180.34 c | 91.52 a | 35.55 b | 8472.1 c | ||
N2 | 177.06 a | 195.27 a | 90.81 a | 37.71 a | 9855.9 a | ||
N3 | 166.18 b | 186.07 b | 86.78 b | 37.63 a | 9312.1 b | ||
平均 Average | 162.52 | 177.72 | 90.28 | 37.07 | 8674.3 | ||
W2 | N0 | 148.37 d | 157.38 d | 93.68 a | 36.93 bd | 7275.9 d | |
N1 | 163.91 c | 183.48 c | 92.35 a | 37.53 ab | 8603.4 c | ||
N2 | 181.60 a | 200.45 a | 93.53 a | 37.52 abc | 10328.1 a | ||
N3 | 170.71 b | 189.05 b | 88.33 b | 37.86 a | 9444.1 b | ||
平均 Average | 166.15 | 182.59 | 91.97 | 37.46 | 8912.9 | ||
A2 | W1 | N0 | 137.48 c | 154.16 d | 90.17 a | 36.29 c | 6697.5 c |
N1 | 142.38 b | 167.84 c | 89.63 a | 37.07 a | 7797.7 b | ||
N2 | 155.18 a | 207.93 a | 89.22 a | 36.54 bc | 8680.3 a | ||
N3 | 151.30 a | 179.29 b | 85.64 b | 36.61 b | 8542.4 a | ||
平均 Average | 146.58 | 177.31 | 88.67 | 36.63 | 7929.48 | ||
W2 | N0 | 140.99 c | 159.29 d | 92.24 a | 36.13 c | 6937.8 c | |
N1 | 151.77 b | 168.92 c | 88.75 c | 36.87 b | 8059.3 b | ||
N2 | 163.09 a | 199.24 a | 90.09 b | 37.25 a | 8855.3 a | ||
N3 | 155.18 b | 183.77 b | 88.29 c | 36.02 c | 8692.8 a | ||
平均 Average | 152.76 | 177.81 | 89.84 | 36.57 | 8136.3 |
Table 4 Effects of water and N management on yield and its components in hybrid rice under direct straw returning(2017).
处理 Treatment | 有效穗数 Effective panicles (×104/hm2) | 每穗粒数 Grain number per panicle | 结实率 Seed-setting rate /% | 千粒重 1000-grain weight /g | 实际产量 Grain yield /(kg·hm-2) | ||
---|---|---|---|---|---|---|---|
A1 | W1 | N0 | 144.30 d | 149.20 d | 92.00 a | 37.37 a | 7057.2 d |
N1 | 162.53 c | 180.34 c | 91.52 a | 35.55 b | 8472.1 c | ||
N2 | 177.06 a | 195.27 a | 90.81 a | 37.71 a | 9855.9 a | ||
N3 | 166.18 b | 186.07 b | 86.78 b | 37.63 a | 9312.1 b | ||
平均 Average | 162.52 | 177.72 | 90.28 | 37.07 | 8674.3 | ||
W2 | N0 | 148.37 d | 157.38 d | 93.68 a | 36.93 bd | 7275.9 d | |
N1 | 163.91 c | 183.48 c | 92.35 a | 37.53 ab | 8603.4 c | ||
N2 | 181.60 a | 200.45 a | 93.53 a | 37.52 abc | 10328.1 a | ||
N3 | 170.71 b | 189.05 b | 88.33 b | 37.86 a | 9444.1 b | ||
平均 Average | 166.15 | 182.59 | 91.97 | 37.46 | 8912.9 | ||
A2 | W1 | N0 | 137.48 c | 154.16 d | 90.17 a | 36.29 c | 6697.5 c |
N1 | 142.38 b | 167.84 c | 89.63 a | 37.07 a | 7797.7 b | ||
N2 | 155.18 a | 207.93 a | 89.22 a | 36.54 bc | 8680.3 a | ||
N3 | 151.30 a | 179.29 b | 85.64 b | 36.61 b | 8542.4 a | ||
平均 Average | 146.58 | 177.31 | 88.67 | 36.63 | 7929.48 | ||
W2 | N0 | 140.99 c | 159.29 d | 92.24 a | 36.13 c | 6937.8 c | |
N1 | 151.77 b | 168.92 c | 88.75 c | 36.87 b | 8059.3 b | ||
N2 | 163.09 a | 199.24 a | 90.09 b | 37.25 a | 8855.3 a | ||
N3 | 155.18 b | 183.77 b | 88.29 c | 36.02 c | 8692.8 a | ||
平均 Average | 152.76 | 177.81 | 89.84 | 36.57 | 8136.3 |
处理 Treatment | 有效穗 Effective panicles (×104/hm2) | 每穗粒数 Grain number per panicle | 结实率 Seed-setting rate /% | 千粒重 1000-grain weight /g | 实际产量 Grain yield /(kg·hm-2) | ||
---|---|---|---|---|---|---|---|
A1 | W1 | N0 | 163.90 c | 153.61 d | 93.02 b | 36.36 b | 8473.9 d |
N1 | 177.78 b | 163.27 c | 94.85 a | 36.42 b | 9501.4 c | ||
N2 | 212.11 a | 178.36 a | 88.60 c | 37.08 a | 11876.3 a | ||
N3 | 206.34 a | 170.72 b | 86.32 d | 36.51 b | 10547.1 b | ||
平均 Average | 190.03 | 166.49 | 90.70 | 36.59 | 10099.7 | ||
W2 | N0 | 167.67 d | 156.82 d | 93.73 a | 36.10 b | 8819.4 d | |
N1 | 180.21 c | 165.80 c | 95.97 a | 37.12 a | 10142.2 c | ||
N2 | 220.88 a | 180.82 a | 89.78 b | 36.06 b | 12464.1 a | ||
N3 | 209.42 b | 175.65 b | 86.70 c | 36.42 b | 11026.9 b | ||
平均 Average | 194.54 | 169.77 | 91.55 | 36.42 | 10613.1 | ||
A2 | W1 | N0 | 159.76 c | 148.48 c | 92.20 b | 37.39 a | 7783.1 d |
N1 | 167.49 b | 157.32 b | 94.35 a | 36.44 ab | 8581.6 c | ||
N2 | 198.66 a | 164.80 a | 89.13 c | 36.41 ab | 10063.7 a | ||
N3 | 192.91 a | 162.24 a | 86.04 d | 36.28 b | 9534.4 b | ||
平均 Average | 179.71 | 158.21 | 90.43 | 36.63 | 8990.7 | ||
W2 | N0 | 161.19 d | 151.76 d | 93.51 a | 37.29 a | 8038.6 d | |
N1 | 171.19 c | 159.11 c | 95.28 a | 36.48 ab | 8868.4 c | ||
N2 | 204.56 a | 169.32 a | 89.24 b | 36.19 b | 10380.5 a | ||
N3 | 196.12 b | 165.08 b | 85.68 c | 36.36 ab | 9782.0 b | ||
平均 Average | 183.27 | 161.32 | 90.93 | 36.58 | 9267.4 |
Table 5 Effects of water and N management on yield and its components in hybrid rice under direct straw returning(2018).
处理 Treatment | 有效穗 Effective panicles (×104/hm2) | 每穗粒数 Grain number per panicle | 结实率 Seed-setting rate /% | 千粒重 1000-grain weight /g | 实际产量 Grain yield /(kg·hm-2) | ||
---|---|---|---|---|---|---|---|
A1 | W1 | N0 | 163.90 c | 153.61 d | 93.02 b | 36.36 b | 8473.9 d |
N1 | 177.78 b | 163.27 c | 94.85 a | 36.42 b | 9501.4 c | ||
N2 | 212.11 a | 178.36 a | 88.60 c | 37.08 a | 11876.3 a | ||
N3 | 206.34 a | 170.72 b | 86.32 d | 36.51 b | 10547.1 b | ||
平均 Average | 190.03 | 166.49 | 90.70 | 36.59 | 10099.7 | ||
W2 | N0 | 167.67 d | 156.82 d | 93.73 a | 36.10 b | 8819.4 d | |
N1 | 180.21 c | 165.80 c | 95.97 a | 37.12 a | 10142.2 c | ||
N2 | 220.88 a | 180.82 a | 89.78 b | 36.06 b | 12464.1 a | ||
N3 | 209.42 b | 175.65 b | 86.70 c | 36.42 b | 11026.9 b | ||
平均 Average | 194.54 | 169.77 | 91.55 | 36.42 | 10613.1 | ||
A2 | W1 | N0 | 159.76 c | 148.48 c | 92.20 b | 37.39 a | 7783.1 d |
N1 | 167.49 b | 157.32 b | 94.35 a | 36.44 ab | 8581.6 c | ||
N2 | 198.66 a | 164.80 a | 89.13 c | 36.41 ab | 10063.7 a | ||
N3 | 192.91 a | 162.24 a | 86.04 d | 36.28 b | 9534.4 b | ||
平均 Average | 179.71 | 158.21 | 90.43 | 36.63 | 8990.7 | ||
W2 | N0 | 161.19 d | 151.76 d | 93.51 a | 37.29 a | 8038.6 d | |
N1 | 171.19 c | 159.11 c | 95.28 a | 36.48 ab | 8868.4 c | ||
N2 | 204.56 a | 169.32 a | 89.24 b | 36.19 b | 10380.5 a | ||
N3 | 196.12 b | 165.08 b | 85.68 c | 36.36 ab | 9782.0 b | ||
平均 Average | 183.27 | 161.32 | 90.93 | 36.58 | 9267.4 |
Fig. 1. Effects of water and N management on dynamic changes of stem and tiller in hybrid rice under different straw returning modes(2017). A1, Straw composting; A2, Direct straw returning; W1, Submerged irrigation; W2, Alternate irrigation.
处理 Treatment | 单茎叶片干质量 Dry weight of leaves per stem/g | 单茎茎鞘干质量 Dry weight of Culm and sheath per stem/g | 单茎干物质量 Dry matter weight per stem/g | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖盛期 Tillering | 拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | 分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | 分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | |||||
A1 | W1 | N0 | 0.12 c | 0.40 c | 1.17 d | 0.87 d | 0.14 d | 0.53 c | 3.19 b | 2.07 d | 0.26 d | 0.93 c | 5.10 d | 8.11 d | ||
N1 | 0.14 b | 0.49 b | 1.22 c | 1.06 c | 0.16 c | 0.58 b | 3.31 a | 2.26 c | 0.30 c | 1.07 b | 5.33 c | 9.14 c | ||||
N2 | 0.19 a | 0.55 a | 1.39 a | 1.23 a | 0.22 a | 0.64 a | 3.35 a | 2.41 a | 0.40 a | 1.19 a | 5.59 a | 10.15 a | ||||
N3 | 0.18 a | 0.49 b | 1.33 b | 1.11 b | 0.20 b | 0.59 b | 3.34 a | 2.35 b | 0.38 b | 1.07 b | 5.51 b | 9.82 b | ||||
平均 Average | 0.16 | 0.48 | 1.28 | 1.07 | 0.18 | 0.59 | 3.3 | 2.27 | 0.34 | 1.07 | 5.38 | 9.31 | ||||
W2 | N0 | 0.14 c | 0.43 d | 1.13 c | 0.91 d | 0.17 c | 0.55 d | 3.15 c | 2.10 d | 0.31 c | 0.98 d | 5.02 c | 8.32 d | |||
N1 | 0.16 b | 0.45 c | 1.26 b | 1.07 c | 0.19 b | 0.57 c | 3.31 b | 2.30 c | 0.35 b | 1.02 c | 5.38 b | 9.39 c | ||||
N2 | 0.18 a | 0.57 a | 1.39 a | 1.24 a | 0.21 a | 0.67 a | 3.43 a | 2.45 a | 0.39 a | 1.24 a | 5.68 a | 10.35 a | ||||
N3 | 0.17 ab | 0.51 b | 1.38 a | 1.13 b | 0.19 b | 0.62 b | 3.40 a | 2.35 b | 0.36 b | 1.13 b | 5.63 a | 9.95 b | ||||
平均 Average | 0.16 | 0.49 | 1.29 | 1.09 | 0.19 | 0.61 | 3.32 | 2.3 | 0.35 | 1.09 | 5.43 | 9.5 | ||||
A2 | W1 | N0 | 0.12 d | 0.39 d | 1.12 d | 0.81 c | 0.13 d | 0.52 c | 3.15 c | 2.02 d | 0.25 d | 0.91 d | 4.99 c | 7.83 d | ||
N1 | 0.13 c | 0.42 c | 1.18 c | 1.04 b | 0.14 c | 0.56 bc | 3.24 b | 2.20 c | 0.27 c | 0.99 c | 5.20 b | 8.85 c | ||||
N2 | 0.16 a | 0.52 a | 1.36 a | 1.17 a | 0.19 a | 0.63 a | 3.31 a | 2.35 a | 0.36 a | 1.16 a | 5.51 a | 9.78 a | ||||
N3 | 0.14 b | 0.48 b | 1.32 b | 1.04 b | 0.17 b | 0.58 ab | 3.29 a | 2.30 b | 0.31 b | 1.06 b | 5.45 a | 9.43 b | ||||
平均 Average | 0.14 | 0.45 | 1.25 | 1.02 | 0.16 | 0.57 | 3.25 | 2.22 | 0.29 | 1.03 | 5.29 | 8.97 | ||||
W2 | N0 | 0.10 c | 0.40 d | 1.12 c | 0.84 c | 0.12 c | 0.53 c | 3.12 c | 2.05 d | 0.23 c | 0.94 d | 4.97 c | 8.01 c | |||
N1 | 0.14 b | 0.45 c | 1.26 b | 1.13 b | 0.15 b | 0.59 b | 3.29 b | 2.23 c | 0.29 b | 1.04 c | 5.33 b | 9.35 b | ||||
N2 | 0.16 a | 0.55 a | 1.37 a | 1.21 a | 0.17 a | 0.65 a | 3.36 a | 2.33 a | 0.33 a | 1.20 a | 5.59 a | 10.01 a | ||||
N3 | 0.15 a | 0.49 b | 1.34 a | 1.14 b | 0.17 a | 0.61 ab | 3.32 a | 2.29 b | 0.32 a | 1.10 b | 5.51 a | 9.80 a | ||||
平均Average | 0.14 | 0.47 | 1.27 | 1.08 | 0.15 | 0.59 | 3.27 | 2.22 | 0.3 | 1.07 | 5.35 | 9.29 |
Table 6 Effects of water and N management on leaves, culm and sheath per shoot and dry matter weight of stem under straw returning(2017).
处理 Treatment | 单茎叶片干质量 Dry weight of leaves per stem/g | 单茎茎鞘干质量 Dry weight of Culm and sheath per stem/g | 单茎干物质量 Dry matter weight per stem/g | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖盛期 Tillering | 拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | 分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | 分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | |||||
A1 | W1 | N0 | 0.12 c | 0.40 c | 1.17 d | 0.87 d | 0.14 d | 0.53 c | 3.19 b | 2.07 d | 0.26 d | 0.93 c | 5.10 d | 8.11 d | ||
N1 | 0.14 b | 0.49 b | 1.22 c | 1.06 c | 0.16 c | 0.58 b | 3.31 a | 2.26 c | 0.30 c | 1.07 b | 5.33 c | 9.14 c | ||||
N2 | 0.19 a | 0.55 a | 1.39 a | 1.23 a | 0.22 a | 0.64 a | 3.35 a | 2.41 a | 0.40 a | 1.19 a | 5.59 a | 10.15 a | ||||
N3 | 0.18 a | 0.49 b | 1.33 b | 1.11 b | 0.20 b | 0.59 b | 3.34 a | 2.35 b | 0.38 b | 1.07 b | 5.51 b | 9.82 b | ||||
平均 Average | 0.16 | 0.48 | 1.28 | 1.07 | 0.18 | 0.59 | 3.3 | 2.27 | 0.34 | 1.07 | 5.38 | 9.31 | ||||
W2 | N0 | 0.14 c | 0.43 d | 1.13 c | 0.91 d | 0.17 c | 0.55 d | 3.15 c | 2.10 d | 0.31 c | 0.98 d | 5.02 c | 8.32 d | |||
N1 | 0.16 b | 0.45 c | 1.26 b | 1.07 c | 0.19 b | 0.57 c | 3.31 b | 2.30 c | 0.35 b | 1.02 c | 5.38 b | 9.39 c | ||||
N2 | 0.18 a | 0.57 a | 1.39 a | 1.24 a | 0.21 a | 0.67 a | 3.43 a | 2.45 a | 0.39 a | 1.24 a | 5.68 a | 10.35 a | ||||
N3 | 0.17 ab | 0.51 b | 1.38 a | 1.13 b | 0.19 b | 0.62 b | 3.40 a | 2.35 b | 0.36 b | 1.13 b | 5.63 a | 9.95 b | ||||
平均 Average | 0.16 | 0.49 | 1.29 | 1.09 | 0.19 | 0.61 | 3.32 | 2.3 | 0.35 | 1.09 | 5.43 | 9.5 | ||||
A2 | W1 | N0 | 0.12 d | 0.39 d | 1.12 d | 0.81 c | 0.13 d | 0.52 c | 3.15 c | 2.02 d | 0.25 d | 0.91 d | 4.99 c | 7.83 d | ||
N1 | 0.13 c | 0.42 c | 1.18 c | 1.04 b | 0.14 c | 0.56 bc | 3.24 b | 2.20 c | 0.27 c | 0.99 c | 5.20 b | 8.85 c | ||||
N2 | 0.16 a | 0.52 a | 1.36 a | 1.17 a | 0.19 a | 0.63 a | 3.31 a | 2.35 a | 0.36 a | 1.16 a | 5.51 a | 9.78 a | ||||
N3 | 0.14 b | 0.48 b | 1.32 b | 1.04 b | 0.17 b | 0.58 ab | 3.29 a | 2.30 b | 0.31 b | 1.06 b | 5.45 a | 9.43 b | ||||
平均 Average | 0.14 | 0.45 | 1.25 | 1.02 | 0.16 | 0.57 | 3.25 | 2.22 | 0.29 | 1.03 | 5.29 | 8.97 | ||||
W2 | N0 | 0.10 c | 0.40 d | 1.12 c | 0.84 c | 0.12 c | 0.53 c | 3.12 c | 2.05 d | 0.23 c | 0.94 d | 4.97 c | 8.01 c | |||
N1 | 0.14 b | 0.45 c | 1.26 b | 1.13 b | 0.15 b | 0.59 b | 3.29 b | 2.23 c | 0.29 b | 1.04 c | 5.33 b | 9.35 b | ||||
N2 | 0.16 a | 0.55 a | 1.37 a | 1.21 a | 0.17 a | 0.65 a | 3.36 a | 2.33 a | 0.33 a | 1.20 a | 5.59 a | 10.01 a | ||||
N3 | 0.15 a | 0.49 b | 1.34 a | 1.14 b | 0.17 a | 0.61 ab | 3.32 a | 2.29 b | 0.32 a | 1.10 b | 5.51 a | 9.80 a | ||||
平均Average | 0.14 | 0.47 | 1.27 | 1.08 | 0.15 | 0.59 | 3.27 | 2.22 | 0.3 | 1.07 | 5.35 | 9.29 |
处理 Treatment | 群体干物质量 Dry matter weight of population/(t·hm-2) | 不同生育阶段干物质积累量 Phase accumulation/(t·hm-2) | 群体生长率 Population growth rate/(g·m-2d-1) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | |||||
A1 | W1 | N0 | 0.62 c | 2.41 c | 7.22 d | 11.71 d | 1.79 c | 4.84 c | 4.49 d | 13.78 c | 13.84 c | 10.68 d | ||
N1 | 1.00 b | 3.50 b | 9.83 c | 14.85 c | 2.50 b | 6.33 b | 5.02 c | 19.27 b | 18.07 b | 11.95 c | ||||
N2 | 1.19 a | 3.97 a | 11.42 a | 17.98 a | 2.78 a | 7.46 a | 6.56 a | 21.36 a | 21.30 a | 15.61 a | ||||
N3 | 1.21 a | 3.93 a | 10.32 b | 16.35 b | 2.72 a | 6.40 b | 6.03 b | 20.95 a | 18.30 b | 14.35 b | ||||
平均 Average | 1.00 | 3.81 | 9.70 | 15.22 | 2.45 | 6.26 | 5.52 | 18.84 | 17.88 | 13.15 | ||||
W2 | N0 | 0.79 c | 2.99 c | 7.86 d | 12.34 d | 2.20 c | 4.87 d | 4.48 d | 16.93 c | 13.92 d | 10.67 d | |||
N1 | 1.04 b | 3.78 b | 10.17 c | 15.39 c | 2.74 b | 6.39 c | 5.22 c | 21.08 b | 18.26 c | 12.42 c | ||||
N2 | 1.26 a | 4.28 a | 11.85 a | 18.79 a | 3.02 a | 7.57 a | 6.94 a | 23.24 a | 21.62 a | 16.53 a | ||||
N3 | 1.31 a | 4.20 a | 11.03 b | 16.98 b | 2.89 ab | 6.86 b | 5.95 b | 22.24 ab | 19.60 b | 14.17 b | ||||
平均 Average | 1.10 | 3.81 | 10.23 | 15.87 | 2.71 | 6.42 | 5.65 | 20.87 | 18.35 | 13.45 | ||||
A2 | W1 | N0 | 0.51 c | 2.31 c | 7.54 d | 10.77 d | 1.80 c | 5.23 c | 3.23 c | 13.80 c | 14.95 c | 7.69 c | ||
N1 | 0.95 b | 3.18 b | 8.76 c | 12.59 c | 2.23 b | 5.58 c | 3.80 b | 17.12 b | 15.95 c | 9.05 b | ||||
N2 | 1.10 a | 3.71 a | 10.49 a | 15.18 a | 2.61 a | 6.78 a | 4.68 a | 20.11 a | 19.37 a | 11.16 a | ||||
N3 | 1.14 a | 3.62 a | 9.82 b | 14.27 b | 2.48 a | 6.20 b | 4.45 a | 19.11 a | 17.71 b | 10.60 a | ||||
平均 Average | 0.93 | 3.21 | 9.15 | 13.20 | 2.28 | 5.95 | 4.04 | 17.54 | 17.00 | 9.63 | ||||
W2 | N0 | 0.56 c | 2.65 c | 8.42 d | 11.29 d | 2.09 c | 5.77 c | 2.87 c | 16.10 c | 16.48 c | 6.84 c | |||
N1 | 0.96 b | 3.43 b | 9.80 c | 14.19 c | 2.47 b | 6.37 b | 4.38 b | 19.01 b | 18.21 b | 10.44 b | ||||
N2 | 1.13 a | 3.85 a | 11.23 a | 16.33 a | 2.72 a | 7.39 a | 5.09 a | 20.91 a | 21.10 a | 12.12 a | ||||
N3 | 1.15 a | 3.80 a | 10.51 b | 15.20 b | 2.65 ab | 6.71 b | 4.69 b | 20.39 ab | 19.17 b | 11.16 b | ||||
平均 Average | 0.95 | 3.43 | 9.99 | 14.25 | 2.48 | 6.56 | 4.26 | 19.10 | 18.74 | 10.14 |
Table 7 Effects of water and N management on dry matter accumulation characteristics of population under straw returning(2017).
处理 Treatment | 群体干物质量 Dry matter weight of population/(t·hm-2) | 不同生育阶段干物质积累量 Phase accumulation/(t·hm-2) | 群体生长率 Population growth rate/(g·m-2d-1) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | |||||
A1 | W1 | N0 | 0.62 c | 2.41 c | 7.22 d | 11.71 d | 1.79 c | 4.84 c | 4.49 d | 13.78 c | 13.84 c | 10.68 d | ||
N1 | 1.00 b | 3.50 b | 9.83 c | 14.85 c | 2.50 b | 6.33 b | 5.02 c | 19.27 b | 18.07 b | 11.95 c | ||||
N2 | 1.19 a | 3.97 a | 11.42 a | 17.98 a | 2.78 a | 7.46 a | 6.56 a | 21.36 a | 21.30 a | 15.61 a | ||||
N3 | 1.21 a | 3.93 a | 10.32 b | 16.35 b | 2.72 a | 6.40 b | 6.03 b | 20.95 a | 18.30 b | 14.35 b | ||||
平均 Average | 1.00 | 3.81 | 9.70 | 15.22 | 2.45 | 6.26 | 5.52 | 18.84 | 17.88 | 13.15 | ||||
W2 | N0 | 0.79 c | 2.99 c | 7.86 d | 12.34 d | 2.20 c | 4.87 d | 4.48 d | 16.93 c | 13.92 d | 10.67 d | |||
N1 | 1.04 b | 3.78 b | 10.17 c | 15.39 c | 2.74 b | 6.39 c | 5.22 c | 21.08 b | 18.26 c | 12.42 c | ||||
N2 | 1.26 a | 4.28 a | 11.85 a | 18.79 a | 3.02 a | 7.57 a | 6.94 a | 23.24 a | 21.62 a | 16.53 a | ||||
N3 | 1.31 a | 4.20 a | 11.03 b | 16.98 b | 2.89 ab | 6.86 b | 5.95 b | 22.24 ab | 19.60 b | 14.17 b | ||||
平均 Average | 1.10 | 3.81 | 10.23 | 15.87 | 2.71 | 6.42 | 5.65 | 20.87 | 18.35 | 13.45 | ||||
A2 | W1 | N0 | 0.51 c | 2.31 c | 7.54 d | 10.77 d | 1.80 c | 5.23 c | 3.23 c | 13.80 c | 14.95 c | 7.69 c | ||
N1 | 0.95 b | 3.18 b | 8.76 c | 12.59 c | 2.23 b | 5.58 c | 3.80 b | 17.12 b | 15.95 c | 9.05 b | ||||
N2 | 1.10 a | 3.71 a | 10.49 a | 15.18 a | 2.61 a | 6.78 a | 4.68 a | 20.11 a | 19.37 a | 11.16 a | ||||
N3 | 1.14 a | 3.62 a | 9.82 b | 14.27 b | 2.48 a | 6.20 b | 4.45 a | 19.11 a | 17.71 b | 10.60 a | ||||
平均 Average | 0.93 | 3.21 | 9.15 | 13.20 | 2.28 | 5.95 | 4.04 | 17.54 | 17.00 | 9.63 | ||||
W2 | N0 | 0.56 c | 2.65 c | 8.42 d | 11.29 d | 2.09 c | 5.77 c | 2.87 c | 16.10 c | 16.48 c | 6.84 c | |||
N1 | 0.96 b | 3.43 b | 9.80 c | 14.19 c | 2.47 b | 6.37 b | 4.38 b | 19.01 b | 18.21 b | 10.44 b | ||||
N2 | 1.13 a | 3.85 a | 11.23 a | 16.33 a | 2.72 a | 7.39 a | 5.09 a | 20.91 a | 21.10 a | 12.12 a | ||||
N3 | 1.15 a | 3.80 a | 10.51 b | 15.20 b | 2.65 ab | 6.71 b | 4.69 b | 20.39 ab | 19.17 b | 11.16 b | ||||
平均 Average | 0.95 | 3.43 | 9.99 | 14.25 | 2.48 | 6.56 | 4.26 | 19.10 | 18.74 | 10.14 |
处理 Treatment | 群体干物质量 Dry matter weight of population/(t·hm-2) | 不同生育阶段干物质积累量 Phase accumulation/(t·hm-2) | 群体生长率 Population growth rate/(g·m-2d-1) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | |||||
A1 | W1 | N0 | 1.10 b | 2.95 c | 8.10 d | 13.30 d | 1.85 c | 5.15 d | 5.20 c | 12.34 c | 14.71 d | 9.99 c | ||
N1 | 1.33 b | 3.88 b | 10.23 c | 16.24 c | 2.55 b | 6.79 c | 6.01 b | 17.01 b | 19.40 c | 11.56 b | ||||
N2 | 2.16 a | 6.03 a | 14.53 a | 21.54 a | 3.86 a | 8.50 a | 7.01 a | 25.77 a | 24.28 a | 13.48 a | ||||
N3 | 2.39 a | 5.84 a | 13.53 b | 20.26 b | 3.44 a | 7.69 b | 6.73 a | 22.96 a | 21.97 b | 12.94 a | ||||
平均 Average | 1.75 | 4.67 | 11.60 | 17.83 | 2.93 | 7.03 | 6.24 | 19.52 | 20.09 | 11.99 | ||||
W2 | N0 | 1.16 c | 3.16 c | 8.46 d | 13.95 d | 2.00 b | 5.31 d | 5.48 d | 16.59 b | 15.16 d | 10.54 d | |||
N1 | 1.68 b | 4.17 b | 10.67 c | 16.92 c | 2.49 b | 6.18 c | 6.25 c | 13.31 b | 17.66 c | 12.02 c | ||||
N2 | 2.31 a | 6.62 a | 15.49 a | 22.85 a | 4.31 a | 8.87 a | 7.36 a | 24.29 a | 25.35 a | 14.15 a | ||||
N3 | 2.58 a | 6.22 a | 14.00 b | 20.83 b | 3.64 a | 7.78 b | 6.83 b | 28.72 a | 22.23 b | 13.13 b | ||||
平均 Average | 1.93 | 5.04 | 12.16 | 18.64 | 3.11 | 7.04 | 6.48 | 20.73 | 20.10 | 12.46 | ||||
A2 | W1 | N0 | 0.91 b | 2.50 c | 7.50 d | 12.51 d | 1.60 c | 4.99 d | 5.02 b | 10.64 c | 14.26 d | 9.65 b | ||
N1 | 1.27 b | 3.77 b | 9.56 c | 14.82 c | 2.50 b | 6.46 c | 5.26 b | 16.70 b | 18.45 c | 10.11 b | ||||
N2 | 2.20 a | 6.05 a | 13.48 a | 19.43 a | 3.85 a | 7.44 a | 5.95 a | 25.66 a | 21.25 a | 11.44 a | ||||
N3 | 2.33 a | 5.67 a | 12.41 b | 18.20 b | 3.34 a | 6.75 b | 5.79 a | 22.26 a | 19.27 b | 11.13 a | ||||
平均 Average | 1.68 | 4.50 | 10.74 | 16.24 | 2.82 | 6.41 | 5.50 | 18.81 | 18.31 | 10.58 | ||||
W2 | N0 | 1.14 c | 2.81 c | 7.90 d | 12.91 d | 1.66 c | 5.09 d | 5.01 c | 14.88 b | 14.55 d | 9.64 c | |||
N1 | 1.61 b | 3.84 b | 10.35 c | 16.01 c | 2.23 b | 5.72 c | 5.66 b | 11.08 c | 16.34 c | 10.88 b | ||||
N2 | 2.23 a | 6.13 a | 14.01 a | 20.48 a | 3.90 a | 7.88 a | 6.47 a | 23.89 a | 22.52 a | 12.44 a | ||||
N3 | 2.41 a | 5.99 a | 13.15 b | 19.21 b | 3.58 a | 7.16 b | 6.06 a | 25.99 a | 20.45 b | 11.66 a | ||||
平均 Average | 1.85 | 4.69 | 11.35 | 17.15 | 2.84 | 6.46 | 5.80 | 18.96 | 18.46 | 11.16 |
Table 8 Effects of water and N management on dry matter accumulation characteristics of population under straw returning(2018).
处理 Treatment | 群体干物质量 Dry matter weight of population/(t·hm-2) | 不同生育阶段干物质积累量 Phase accumulation/(t·hm-2) | 群体生长率 Population growth rate/(g·m-2d-1) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖盛期Tillering | 拔节期Jointing | 齐穗期 Full heading | 成熟期Maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | 分蘖盛期- 拔节期 Tillering- jointing | 拔节期- 齐穗期 Jointing- full heading | 齐穗期- 成熟期 Full heading- maturity | |||||
A1 | W1 | N0 | 1.10 b | 2.95 c | 8.10 d | 13.30 d | 1.85 c | 5.15 d | 5.20 c | 12.34 c | 14.71 d | 9.99 c | ||
N1 | 1.33 b | 3.88 b | 10.23 c | 16.24 c | 2.55 b | 6.79 c | 6.01 b | 17.01 b | 19.40 c | 11.56 b | ||||
N2 | 2.16 a | 6.03 a | 14.53 a | 21.54 a | 3.86 a | 8.50 a | 7.01 a | 25.77 a | 24.28 a | 13.48 a | ||||
N3 | 2.39 a | 5.84 a | 13.53 b | 20.26 b | 3.44 a | 7.69 b | 6.73 a | 22.96 a | 21.97 b | 12.94 a | ||||
平均 Average | 1.75 | 4.67 | 11.60 | 17.83 | 2.93 | 7.03 | 6.24 | 19.52 | 20.09 | 11.99 | ||||
W2 | N0 | 1.16 c | 3.16 c | 8.46 d | 13.95 d | 2.00 b | 5.31 d | 5.48 d | 16.59 b | 15.16 d | 10.54 d | |||
N1 | 1.68 b | 4.17 b | 10.67 c | 16.92 c | 2.49 b | 6.18 c | 6.25 c | 13.31 b | 17.66 c | 12.02 c | ||||
N2 | 2.31 a | 6.62 a | 15.49 a | 22.85 a | 4.31 a | 8.87 a | 7.36 a | 24.29 a | 25.35 a | 14.15 a | ||||
N3 | 2.58 a | 6.22 a | 14.00 b | 20.83 b | 3.64 a | 7.78 b | 6.83 b | 28.72 a | 22.23 b | 13.13 b | ||||
平均 Average | 1.93 | 5.04 | 12.16 | 18.64 | 3.11 | 7.04 | 6.48 | 20.73 | 20.10 | 12.46 | ||||
A2 | W1 | N0 | 0.91 b | 2.50 c | 7.50 d | 12.51 d | 1.60 c | 4.99 d | 5.02 b | 10.64 c | 14.26 d | 9.65 b | ||
N1 | 1.27 b | 3.77 b | 9.56 c | 14.82 c | 2.50 b | 6.46 c | 5.26 b | 16.70 b | 18.45 c | 10.11 b | ||||
N2 | 2.20 a | 6.05 a | 13.48 a | 19.43 a | 3.85 a | 7.44 a | 5.95 a | 25.66 a | 21.25 a | 11.44 a | ||||
N3 | 2.33 a | 5.67 a | 12.41 b | 18.20 b | 3.34 a | 6.75 b | 5.79 a | 22.26 a | 19.27 b | 11.13 a | ||||
平均 Average | 1.68 | 4.50 | 10.74 | 16.24 | 2.82 | 6.41 | 5.50 | 18.81 | 18.31 | 10.58 | ||||
W2 | N0 | 1.14 c | 2.81 c | 7.90 d | 12.91 d | 1.66 c | 5.09 d | 5.01 c | 14.88 b | 14.55 d | 9.64 c | |||
N1 | 1.61 b | 3.84 b | 10.35 c | 16.01 c | 2.23 b | 5.72 c | 5.66 b | 11.08 c | 16.34 c | 10.88 b | ||||
N2 | 2.23 a | 6.13 a | 14.01 a | 20.48 a | 3.90 a | 7.88 a | 6.47 a | 23.89 a | 22.52 a | 12.44 a | ||||
N3 | 2.41 a | 5.99 a | 13.15 b | 19.21 b | 3.58 a | 7.16 b | 6.06 a | 25.99 a | 20.45 b | 11.66 a | ||||
平均 Average | 1.85 | 4.69 | 11.35 | 17.15 | 2.84 | 6.46 | 5.80 | 18.96 | 18.46 | 11.16 |
处理 Treatment | 分蘖盛期 Tillering | 拔节期 Jointing | 齐穂期 Full heading | 高效叶面积指数H-LAI | 叶面积衰减率 R-LAI/(LAI·d-1) | |||
---|---|---|---|---|---|---|---|---|
2017 | 2018 | |||||||
A1 | W1 | N0 | 1.74 d | 2.49 c | 4.53 c | 3.11 c | 3.58 c | 0.0585 d |
N1 | 2.31 c | 3.06 b | 5.97 b | 4.25 b | 4.78 b | 0.0832 b | ||
N2 | 2.67 b | 3.99 a | 6.98 a | 4.61 a | 5.18 a | 0.0855 a | ||
N3 | 2.92 a | 4.01 a | 6.86 a | 4.50 a | 5.09 a | 0.0814 c | ||
平均 Average | 2.41 | 3.39 | 6.09 | 4.12 | 4.66 | 0.0772 | ||
W2 | N0 | 1.44 d | 2.40 c | 4.45 c | 3.26 c | 3.70 c | 0.0586 c | |
N1 | 2.13 c | 3.24 b | 6.15 b | 4.49 b | 5.00 b | 0.0830 b | ||
N2 | 2.52 b | 4.04 a | 7.16 a | 4.80 a | 5.35 a | 0.0891 a | ||
N3 | 2.77 a | 4.02 a | 6.97 a | 4.74 a | 5.32 a | 0.0845 b | ||
平均 Average | 2.22 | 3.43 | 6.18 | 4.32 | 4.84 | 0.0788 | ||
A2 | W1 | N0 | 1.30 d | 2.10 c | 4.08 c | 2.85 c | 3.28 c | 0.0567 c |
N1 | 2.09 c | 3.46 b | 6.22 b | 4.10 b | 4.27 b | 0.0787 b | ||
N2 | 2.33 b | 3.77 a | 6.70 a | 4.41 a | 4.93 a | 0.0839 a | ||
N3 | 2.52a | 3.83 a | 6.74 a | 4.38 a | 4.61 a | 0.0830 a | ||
平均 Average | 2.06 | 3.29 | 5.94 | 3.94 | 4.27 | 0.0756 | ||
W2 | N0 | 1.44 d | 2.12 c | 3.95 c | 2.88 c | 3.32 c | 0.0525 c | |
N1 | 2.15 c | 3.41 b | 6.25 b | 4.18 b | 4.73 b | 0.0813 b | ||
N2 | 2.52 b | 3.72 a | 6.75 a | 4.72 a | 5.27 a | 0.0867 a | ||
N3 | 2.74 a | 3.65 a | 6.55 ab | 4.68 a | 5.25 a | 0.0827 b | ||
平均 Average | 2.21 | 3.23 | 5.88 | 4.12 | 4.65 | 0.0758 |
Table 9 Effects of water and N management on LAI in hybrid rice under straw returning.
处理 Treatment | 分蘖盛期 Tillering | 拔节期 Jointing | 齐穂期 Full heading | 高效叶面积指数H-LAI | 叶面积衰减率 R-LAI/(LAI·d-1) | |||
---|---|---|---|---|---|---|---|---|
2017 | 2018 | |||||||
A1 | W1 | N0 | 1.74 d | 2.49 c | 4.53 c | 3.11 c | 3.58 c | 0.0585 d |
N1 | 2.31 c | 3.06 b | 5.97 b | 4.25 b | 4.78 b | 0.0832 b | ||
N2 | 2.67 b | 3.99 a | 6.98 a | 4.61 a | 5.18 a | 0.0855 a | ||
N3 | 2.92 a | 4.01 a | 6.86 a | 4.50 a | 5.09 a | 0.0814 c | ||
平均 Average | 2.41 | 3.39 | 6.09 | 4.12 | 4.66 | 0.0772 | ||
W2 | N0 | 1.44 d | 2.40 c | 4.45 c | 3.26 c | 3.70 c | 0.0586 c | |
N1 | 2.13 c | 3.24 b | 6.15 b | 4.49 b | 5.00 b | 0.0830 b | ||
N2 | 2.52 b | 4.04 a | 7.16 a | 4.80 a | 5.35 a | 0.0891 a | ||
N3 | 2.77 a | 4.02 a | 6.97 a | 4.74 a | 5.32 a | 0.0845 b | ||
平均 Average | 2.22 | 3.43 | 6.18 | 4.32 | 4.84 | 0.0788 | ||
A2 | W1 | N0 | 1.30 d | 2.10 c | 4.08 c | 2.85 c | 3.28 c | 0.0567 c |
N1 | 2.09 c | 3.46 b | 6.22 b | 4.10 b | 4.27 b | 0.0787 b | ||
N2 | 2.33 b | 3.77 a | 6.70 a | 4.41 a | 4.93 a | 0.0839 a | ||
N3 | 2.52a | 3.83 a | 6.74 a | 4.38 a | 4.61 a | 0.0830 a | ||
平均 Average | 2.06 | 3.29 | 5.94 | 3.94 | 4.27 | 0.0756 | ||
W2 | N0 | 1.44 d | 2.12 c | 3.95 c | 2.88 c | 3.32 c | 0.0525 c | |
N1 | 2.15 c | 3.41 b | 6.25 b | 4.18 b | 4.73 b | 0.0813 b | ||
N2 | 2.52 b | 3.72 a | 6.75 a | 4.72 a | 5.27 a | 0.0867 a | ||
N3 | 2.74 a | 3.65 a | 6.55 ab | 4.68 a | 5.25 a | 0.0827 b | ||
平均 Average | 2.21 | 3.23 | 5.88 | 4.12 | 4.65 | 0.0758 |
指标 Index | 生育期 Growth stage | 单茎干物质 Single stem dry weight | 总干物质量 Dry matter amount | 有效穗 Effective panicles | 每穗粒数 Spikelet no. per panicle | 产量 Grain yield |
---|---|---|---|---|---|---|
LAI | JS | 0.89** | 0.82** | 0.72* | 0.90** | 0.75* |
FHS | 0.95** | 0.88** | 0.75* | 0.89** | 0.80** | |
MS | 0.94** | 0.89** | 0.77* | 0.85** | 0.80** | |
H-LAI | FHS | 0.94** | 0.86** | 0.75* | 0.74* | 0.78* |
PGR | FHS | 0.93** | 0.93** | 0.90** | 0.65* | 0.95** |
JS-FHS | 0.92** | 0.91** | 0.83** | 0.59* | 0.81** | |
FHS-MS | 0.82** | 0.93** | 0.94** | 0.49* | 0.92** |
Table 10 orrelation coefficients of LAI and population rate with dry matter amount and grain yield.
指标 Index | 生育期 Growth stage | 单茎干物质 Single stem dry weight | 总干物质量 Dry matter amount | 有效穗 Effective panicles | 每穗粒数 Spikelet no. per panicle | 产量 Grain yield |
---|---|---|---|---|---|---|
LAI | JS | 0.89** | 0.82** | 0.72* | 0.90** | 0.75* |
FHS | 0.95** | 0.88** | 0.75* | 0.89** | 0.80** | |
MS | 0.94** | 0.89** | 0.77* | 0.85** | 0.80** | |
H-LAI | FHS | 0.94** | 0.86** | 0.75* | 0.74* | 0.78* |
PGR | FHS | 0.93** | 0.93** | 0.90** | 0.65* | 0.95** |
JS-FHS | 0.92** | 0.91** | 0.83** | 0.59* | 0.81** | |
FHS-MS | 0.82** | 0.93** | 0.94** | 0.49* | 0.92** |
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