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2 不同日产量类型机插杂交籼稻植株含氮率变化特性
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Table 2 Variation of N concentration 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 type | 拔节期JS (%) | 齐穗期HS (%) | 成熟期MS (%) | 叶片 Leaf lamina | 茎鞘 Stem plus sheath | 植株 Shoot | 叶片 Leaf lamina | 茎鞘 Stem plus sheath | 穗 Panicle | 植株 Shoot | 叶片 Leaf lamina | 茎鞘 Stem plus sheath | 穗 Panicle | 植株 Shoot | 2017 | 高日产HDY | 3.73b | 1.75a | 2.69ab | 2.50b | 0.861a | 1.54d | 1.42b | 0.910c | 0.608c | 1.26c | 1.00c | 中日产MDY | 3.50c | 1.63b | 2.50c | 2.32c | 0.720b | 1.50de | 1.27c | 0.923c | 0.643c | 1.21d | 0.977c | 低日产LDY | 3.45c | 1.61b | 2.51c | 2.09d | 0.709b | 1.45e | 1.23c | 0.827d | 0.540d | 1.16e | 0.919d | 平均Mean | 3.56B | 1.66A | 2.57B | 2.31B | 0.763B | 1.50B | 1.31B | 0.887B | 0.597B | 1.21B | 0.966B | 2018 | 高日产HDY | 4.10a | 1.75a | 2.79a | 2.78a | 0.892a | 1.86a | 1.58a | 1.18a | 0.753ab | 1.44a | 1.20a | 中日产MDY | 3.81b | 1.65ab | 2.59bc | 2.74a | 0.883a | 1.73b | 1.56a | 1.12a | 0.815a | 1.42a | 1.18a | 低日产LDY | 3.76b | 1.62b | 2.56bc | 2.67a | 0.861a | 1.63c | 1.54a | 1.03b | 0.719b | 1.36b | 1.10b | 平均Mean | 3.89A | 1.67A | 2.65A | 2.73A | 0.878A | 1.74A | 1.56A | 1.11A | 0.762A | 1.41A | 1.16A | F值 F value | 年份Year (Y) | 61.37** | 0.13 | 4.71* | 129.40** | 50.07** | 92.68** | 131.81** | 87.08** | 68.6** | 257.04** | 331.90** | 日产量类型 Daily yield type (D) | 22.42** | 7.10** | 13.57** | 15.16** | 12.10** | 12.34** | 10.35** | 8.24** | 7.98** | 17.69** | 22.69** | 年份×日产量类型 Y×D | 0.29 | 0.08 | 0.10 | 4.84** | 7.36** | 2.47 | 4.82* | 1.07 | 0.27 | 0.35 | 0.15 |
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