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8 秸秆还田与氮肥运筹对干物质积累和转化的影响
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Table 8 Effects of straw returning and nitrogen application on dry matter accumulation and transformation
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处理
Treatment | 齐穗期干物质
积累量（g/穴）
Dry matter accumulation
at full heading stage (g/hole) | | 成熟期干物质
积累量（g/穴）
Dry matter accumulation
at maturity stage (g/hole) | | 茎鞘输出量
Stem sheath
output (g/m2) | | 茎鞘输出率
Stem sheath
output rate (%) | | 茎鞘转化率
Stem sheath
transformation
rate (%) | | 2020 | 2021 | 平均
Average | | 2020 | 2021 | 平均
Average | | 2020 | 2021 | 平均
Average | 2020 | 2021 | 平均
Average | 2020 | 2021 | 平均
Average | | S1 | 29.62a | 36.80a | 33.21a | | 64.39a | 64.00a | 64.20a | | -2.25a | -3.80a | -3.02a | | -13.89a | -19.43a | -16.66a | | -5.72a | -11.63a | -8.68a | | S2 | 27.69a | 34.72b | 31.20b | | 63.58a | 63.45a | 63.52a | | -2.83a | -4.83b | -3.83b | | -18.32a | -25.47b | -21.90b | | -7.33a | -14.66b | -10.99b | | N1 | 26.72b | 33.52b | 30.12b | | 59.79b | 60.28b | 60.03c | | -2.37a | -4.82a | -3.59a | | -15.67a | -26.89c | -21.20a | | -6.64a | -15.80b | -11.22a | | N2 | 28.13ab | 36.04a | 32.08ab | | 61.86b | 62.39b | 62.13b | | -2.02a | -3.83a | -2.92a | | -12.70a | -19.59ab | -16.10a | | -5.34a | -11.85ab | -8.59a | | N3 | 30.52a | 37.17a | 33.84a | | 67.46a | 67.09a | 67.27a | | -2.53a | -3.71a | -3.11a | | -15.01a | -18.01a | -16.50a | | -6.20a | -10.21a | -8.20a | | N4 | 29.26ab | 36.33a | 32.79a | | 66.85a | 65.14a | 65.99a | | -3.25a | -4.90a | -4.08a | | -21.05a | -25.31bc | -23.18a | | -7.92a | -14.72b | -11.32a | | FS | 3.74 | 8.13* | 9.10** | | 1.16 | 0.53 | 1.60 | | 1.04 | 7.04* | 4.99* | | 1.26 | 6.93* | 5.22* | | 1.37 | 5.71* | 5.64* | | FN | 2.64 | 4.63* | 5.58** | | 25.00** | 15.97** | 39.15** | | 0.83 | 2.66 | 2.05 | | 0.80 | 3.53* | 2.33 | | 0.62 | 4.12* | 2.92 | | FS×N | 0.02 | 1.17 | 0.41 | | 0.22 | 0.48 | 0.29 | | 0.12 | 6.13** | 2.41 | | 0.12 | 6.42** | 2.22 | | 0.14 | 5.55** | 3.00 |
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