秸秆还田与氮肥运筹对寒地水稻光合特性和产量的影响
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胡聪聪, 李红宇, 孙显龙, 王童, 赵海成, 范名宇, 张巩亮
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Effects of Straw Returning and Nitrogen Fertilizer Management on Photosynthetic Characteristics and Yield of Rice in Cold Region
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Hu Congcong, Li Hongyu, Sun Xianlong, Wang Tong, Zhao Haicheng, Fan Mingyu, Zhang Gongliang
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表5 齐穗期剑叶光合特征参数的比较
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Table 5 Comparison of photosynthesis characteristic parameters of flag leaves at the full heading stage
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处理
Treatment | Ci (μmol/mol) | | Gs [mmol/(m2?s)] | | Pn [μmol/(m2?s)] | | Tr [mmol/(m2?s)] | | 2020 | 2021 | 平均
Average | | 2020 | 2021 | 平均
Average | 2020 | 2021 | 平均
Average | 2020 | 2021 | 平均
Average | | S1 | 162.25a | 297.75a | 229.85a | | 337.83a | 1570.25a | 953.88a | | 35.08a | 26.81a | 30.93a | | 9.11a | 10.36a | 9.73a | | S2 | 143.75b | 294.58a | 218.98b | | 329.50a | 1532.50a | 930.88a | | 33.05b | 26.04a | 29.53a | | 9.26a | 10.08a | 9.67a | | N1 | 112.50c | 292.00b | 202.04c | | 278.00d | 1448.17a | 863.00a | | 32.57b | 25.50a | 29.02b | | 8.18c | 9.90a | 9.04c | | N2 | 153.17b | 294.67ab | 223.71b | | 351.67b | 1509.00a | 930.13a | | 34.00ab | 26.28a | 30.13ab | | 9.08b | 10.02a | 9.55bc | | N3 | 182.50a | 301.33a | 241.79a | | 379.50a | 1646.50a | 1012.88a | | 35.75a | 28.10a | 31.90a | | 10.44a | 10.50a | 10.47a | | N4 | 163.83ab | 296.67ab | 230.13b | | 325.50c | 1601.83a | 963.50a | | 33.95ab | 25.82a | 29.88ab | | 9.03b | 10.46a | 9.74b | | FS | 8.71** | 1.23 | 8.58** | | 1.01 | 0.04 | 0.05 | | 5.79* | 0.49 | 4.30 | | 0.63 | 1.36 | 0.14 | | FN | 22.30** | 1.91 | 20.20** | | 27.19** | 0.20 | 0.38 | | 2.38 | 1.12 | 3.26* | | 25.98** | 1.58 | 10.25** | | FS×N | 1.43 | 0.04 | 1.08 | | 0.74 | 0.01 | 0.01 | | 0.26 | 0.15 | 0.05 | | 0.69 | 0.30 | 0.40 |
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