磷肥运筹对机插双季稻产量构成与养分吸收利用的影响
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肖敏, 郭浪, 崔璨, 程周琦, 刘玉午, 卓乐, 吴思, 易镇邪
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Effects of Phosphate Fertilizer Management on Yield Components and Nutrient Uptake and Utilization in Mechanical Transplanting Double-Cropping Rice
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Xiao Min, Guo Lang, Cui Can, Cheng Zhouqi, Liu Yuwu, Zhuo Le, Wu Si, Yi Zhenxie
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表6 2022年各磷肥处理早稻产量及其构成因素
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Table 6 Yield and its components of early rice under different phosphorus fertilizer treatments in 2022
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处理
Treatment | 有效穗数
Effective panicle number
(×106/hm2) | 穗粒数
Number of grains
per panicle | 结实率
Seed-setting
rate (%) | 千粒重
1000-grain
weight (g) | 理论产量
Theoretical yield
(t/hm2) | 实际产量
Actual yield
(t/hm2) | | P45S1 | 4.75bc | 79.86b | 74.02bc | 26.16a | 7.35cd | 7.09bc | | P45S2 | 4.94ab | 78.53b | 70.97c | 26.17a | 7.20d | 6.99c | | P75S1 | 5.05a | 79.34b | 78.29a | 26.03a | 8.16a | 7.98a | | P75S2 | 4.86abc | 78.95b | 76.78ab | 26.27a | 7.74bc | 7.27bc | | P105S1 | 4.75bc | 84.41a | 76.32ab | 26.22a | 8.03ab | 7.41b | | P105S2 | 4.68c | 86.10a | 73.82bc | 26.09a | 7.75bc | 7.28bc | | P0 | 4.35c | 78.79b | 77.28a | 25.91a | 6.86c | 6.47c | | $\bar{P45}$ | 4.85a | 79.20b | 72.50b | 26.17a | 7.28b | 7.04b | | $\bar{P75}$ | 4.96a | 79.15b | 77.54a | 26.15a | 7.95a | 7.63a | | $\bar{ P105}$ | 4.56b | 84.51a | 75.08ab | 26.16a | 7.56b | 7.35b | | $\bar{S1}$ | 4.85a | 81.20a | 76.21a | 26.14a | 7.85a | 7.49a | | $\bar{S2}$ | 4.83a | 81.19a | 73.85a | 26.18a | 7.58a | 7.18a |
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