水氮耦合及种植密度对绿洲灌区玉米光合作用和 干物质积累特征的调控效应
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魏廷邦,柴强,王伟民,王军强
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Effects of Coupling of Irrigation and Nitrogen Application as well as Planting Density on Photosynthesis and Dry Matter Accumulation Characteristics of Maize in Oasis Irrigated Areas
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WEI TingBang,CHAI Qiang,WANG WeiMin,WANG JunQiang
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表1 不同处理玉米干物质积累阶段特征
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Table 1 Dry matter accumulation stage characteristics of maize under different treatments
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年份
Year | 处理
Treatment | 渐增期Early stage | 快增期Fast stage | 缓增期Late stage | 持续时间
Duration
(d) | 平均积累速率
Average accumulate rate
(kg·hm-2·d-1) | 持续时间
Duration
(d) | 平均积累速率
Average accumulate rate
(kg·hm-2·d-1) | 持续时间
Duration
(d) | 平均积累速率
Average accumulate rate
(kg·hm-2·d-1) | | 2016 | W1N0D1 | 66.50b | 76.13c | 32.12b | 430.64q | 46.37o | 85.34o | | W1N0D2 | 64.77c | 88.41bc | 33.76b | 463.38p | 46.45n | 116.33c | | W1N0D3 | 62.79d | 92.21b | 30.62b | 516.46l | 51.58f | 95.32j | | W1N1D1 | 65.81bc | 100.75ab | 35.12b | 515.82m | 44.06q | 100.53g | | W1N1D2 | 65.45bc | 104.36a | 32.12b | 636.67f | 47.43m | 108.41e | | W1N1D3 | 61.26de | 111.59a | 32.52b | 677.32d | 51.22g | 121.62b | | W1N2D1 | 64.07cd | 102.04ab | 30.98b | 576.42i | 49.94k | 70.29r | | W1N2D2 | 61.33de | 109.84a | 28.32b | 649.74e | 55.35c | 86.39m | | W1N2D3 | 60.35e | 112.02a | 24.16b | 742.14b | 60.48a | 88.13l | | W2N0D1 | 68.69a | 76.62c | 37.63b | 382.14r | 38.68r | 70.88q | | W2N0D2 | 68.79a | 78.78c | 30.98b | 477.79o | 45.22p | 86.16n | | W2N0D3 | 66.24bc | 86.11bc | 30.98b | 502.83n | 47.77l | 100.07h | | W2N1D1 | 64.33cd | 91.13b | 29.93b | 535.09k | 50.74i | 81.52p | | W2N1D2 | 62.26de | 107.24a | 32.52b | 560.97j | 50.22j | 110.54d | | W2N1D3 | 61.19d | 110.04a | 32.12b | 624.83h | 51.68e | 130.56a | | W2N2D1 | 65.97bc | 102.18ab | 28.94b | 636.24g | 50.08h | 88.83k | | W2N2D2 | 62.71d | 112.37a | 28.32b | 679.77c | 53.96d | 99.16i | | W2N2D3 | 61.44de | 118.15ab | 25.82a | 768.09a | 57.74b | 105.34f | | 2017 | W1N0D1 | 66.85a | 97.26n | 30.27b | 586.77m | 27.87o | 29.41h | | W1N0D2 | 82.73a | 87.73o | 37.09ab | 534.56p | 25.17q | 42.23c | | W1N0D3 | 73.48a | 114.04h | 41.15a | 556.33n | 30.36k | 45.06b | | W1N1D1 | 76.95a | 107.41i | 33.46ab | 674.74i | 34.58i | 34.72f | | W1N1D2 | 81.21a | 106.13k | 35.12ab | 670.54j | 28.66n | 58.69a | | W1N1D3 | 78.71a | 115.14g | 35.59ab | 695.58h | 30.71j | 40.03d | | W1N2D1 | 73.42a | 121.35e | 34.52ab | 705.13e | 37.05g | 21.12l | | W1N2D2 | 77.34a | 133.04c | 40.21a | 699.08g | 27.44p | 5.75o | | W1N2D3 | 75.55a | 139.23a | 39.31ab | 731.05d | 40.13d | 13.03n | | W2N0D1 | 74.97a | 75.99q | 35.59ab | 437.31r | 34.43i | 27.87i | | W2N0D2 | 76.51a | 85.37p | 33.64ab | 530.42q | 34.86h | 33.83g | | W2N0D3 | 71.01a | 102.82l | 36.58ab | 545.18o | 37.42f | 23.93k | | W2N1D1 | 80.54a | 97.67m | 35.21b | 610.42l | 29.24l | 19.41m | | W2N1D2 | 79.74a | 106.59j | 36.08ab | 643.61k | 29.18m | 28.27i | | W2N1D3 | 71.57a | 123.82d | 33.01ab | 733.65c | 40.42c | 41.92c | | W2N2D1 | 71.51a | 120.96f | 33.77ab | 699.91f | 39.72e | 25.64j | | W2N2D2 | 67.97a | 139.22a | 34.16ab | 756.88b | 42.86b | 38.81e | | W2N2D3 | 71.68b | 134.41b | 30.98b | 849.51a | 45.33a | 44.42b |
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