不同日产量类型机插杂交籼稻的氮素吸收利用特性
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邓飞,何连华,陈多,田青兰,李秋萍,曾玉玲,李博,陈虹,王丽,任万军
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Characteristics of Nitrogen Absorption and Utilization of Machine- Transplanted Indica Hybrid Rice with Different Daily Yield Types
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DENG Fei,HE LianHua,CHEN Duo,TIAN QingLan,LI QiuPing,ZENG YuLing,LI Bo,CHEN Hong,WANG Li,REN WanJun
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表3 不同日产量类型机插杂交籼稻氮素积累特性
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Table 3 N accumulation characteristics of machine-transplanted indica hybrid rice with different daily yield types
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年份
Year | 日产量类型
Daily yield | 拔节前
Before JS | 拔节-齐穗
JS-HS | 齐穗-成熟
HS-MS | 全生育期
Whole growth duration | 积累速率
NAR
(kg·hm-2·d-1) | 积累量
NAA
(kg·hm-2) | 积累比例
NAP
(%) | 积累速率
NAR
(kg·hm-2·d-1) | 积累量
NAA
(kg·hm-2) | 积累比例
NAP
(%) | 积累速率
NAR
(kg· hm-2·d-1) | 积累量
NAA
(kg·hm-2) | 积累比例
NAP
(%) | 积累速率
NAR
(kg·hm-2·d-1) | 积累量
NAA
(kg·hm-2) | | 2017 | 高日产HDY | 1.85c | 138.57d | 54.94d | 2.15a | 96.86a | 37.79a | 0.514c | 18.22c | 7.28c | 1.63c | 253.64b | | 中日产MDY | 1.99bc | 151.32bc | 63.51ab | 1.36cd | 63.75bc | 26.74b | 0.663c | 24.27bc | 9.75bc | 1.50d | 239.34c | | 低日产LDY | 1.87c | 142.28cd | 66.40a | 1.08d | 49.81c | 23.69b | 0.531c | 21.72c | 9.91bc | 1.32e | 213.81d | | 平均Mean | 1.90B | 144.06B | 61.61A | 1.53A | 70.14A | 29.41A | 0.569B | 21.40B | 8.98B | 1.48B | 235.60B | | 2018 | 高日产HDY | 2.26a | 169.25a | 57.48cd | 1.96ab | 68.44ab | 23.45b | 1.39a | 58.32a | 19.08a | 1.95a | 296.01a | | 中日产MDY | 2.27a | 172.96a | 60.68bc | 1.73abc | 61.00bc | 21.74b | 1.19ab | 51.48a | 17.58a | 1.84b | 285.45a | | 低日产LDY | 2.06b | 156.45b | 61.75bc | 1.50bcd | 57.34bc | 22.71b | 0.932bc | 40.14ab | 15.54ab | 1.62c | 253.93b | | 平均Mean | 2.20A | 166.22A | 59.97A | 1.73A | 62.26A | 22.63B | 1.17A | 49.98A | 17.40A | 1.80A | 278.46A | F值
F value | 年份Year(Y) | 51.93** | 46.24** | 1.67 | 2.15 | 2.40 | 12.36** | 20.95** | 28.87** | 20.34** | 180.76** | 127.76** | | 日产量类型 Daily yield (D) | 5.43** | 5.40** | 13.64** | 10.73** | 11.20** | 5.94** | 0.97 | 0.70 | 0.08 | 55.40** | 36.10** | | 年份×日产量类型 Y×D | 2.21 | 2.00 | 2.85 | 2.19 | 4.34* | 4.12* | 1.16 | 1.33 | 0.90 | 0.22 | 0.22 |
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