江淮中部播期对夏玉米产量与灌浆特性的影响
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储昭康, 王世济, 毕健健, 张林, 彭晨, 陈翔, 武文明
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Effects of Sowing Dates on Yield and Filling Characteristics of Summer Maize in the Central Yangtze-Huaihe Region
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Chu Zhaokang, Wang Shiji, Bi Jianjian, Zhang Lin, Peng Chen, Chen Xiang, Wu Wenming
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表3 播期对夏玉米籽粒灌浆特征参数的影响
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Table 3 Effects of sowing dates on grain filling characteristics parameters of summer maize
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播期
Sowing date | 模拟方程
Simulative equation | R2 | K
(g) | Tm
(d) | Vm
(g/d) | T
(d) | Va
(g/d) | T1
(d) | T2
(d) | T3
(d) | V1
(g/d) | V2
(g/d) | V3
(g/d) | W1
(g) | W2
(g) | W3
(g) | | 06-05 | y=28.0860/(1+e(3.8991-0.148305t)) | 0.9965 | 28.09 | 26.29 | 1.04 | 57.28 | 0.49 | 17.41 | 17.76 | 22.10 | 0.34 | 0.91 | 0.52 | 5.94 | 16.22 | 11.59 | | 06-15 | y=28.9510/(1+e(3.1371-0.132631t)) | 0.9889 | 28.95 | 23.65 | 0.96 | 58.30 | 0.50 | 13.72 | 19.86 | 24.72 | 0.45 | 0.84 | 0.48 | 6.12 | 16.71 | 11.95 | | 06-25 | y=30.4424/(1+e(2.9852-0.129219t)) | 0.9912 | 30.44 | 23.10 | 0.98 | 58.66 | 0.52 | 12.91 | 20.38 | 25.37 | 0.50 | 0.86 | 0.50 | 6.43 | 17.58 | 12.56 | | 07-05 | y=27.2024/(1+e(3.2392-0.132685t)) | 0.9878 | 27.20 | 24.41 | 0.90 | 59.04 | 0.46 | 14.49 | 19.85 | 24.71 | 0.40 | 0.79 | 0.45 | 5.75 | 15.71 | 11.23 | | CV (%) | | | 4.81 | 5.71 | 5.92 | 1.30 | 4.88 | 13.40 | 5.97 | 5.97 | 16.01 | 5.92 | 5.92 | 4.81 | 4.81 | 4.81 |
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