氮肥不同施用比例对豫南稻区杂交籼稻子粒灌浆特性及产量的影响
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崔艳妮,詹俊辉,闫鹏起,可文静,宋宁垣,张中南,王留行,黄岩,张静,赵全志
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Effects of Different Application Proportion of Nitrogen Fertilizer on Grain-Filling Characteristics and Yield of Hybrid Indica Rice in Southern Henan Province
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Yanni Cui,Junhui Zhan,Pengqi Yan,Wenjing Ke,Ningyuan Song,Zhongnan Zhang,Liuhang Wang,Yan Huang,Jing Zhang,Quanzhi Zhao
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表1 氮肥不同施用比例处理水稻地上部干物质重及收获指数
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Table 1 Dry matter weight and harvest index under different application proportion of nitrogen fertilizer
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N处理 N treatment | 品种 Variety | 抽穗期植株干物质重(t/hm2) Dry matter weight at heading stage | 成熟期干物质重Dry matter weight at mature stage (t/hm2) | 收获指数(%) Harvest index | 稻草Straw | 稻穗Ear | 植株Plant | N1 | P1 | 9.47±0.34a | 10.07±0.22a | 9.57±0.2b | 19.64±0.08b | 40.35±3.69a | | P2 | 10.07±0.82a | 10.79±0.41a | 10.91±0.52a | 21.70±0.42a | 40.77±3.96a | | P3 | 9.54±0.46a | 8.17±0.28b | 9.58±0.20b | 17.75±0.41c | 40.74±2.10a | | 平均Average | 9.69a | 9.68b | 10.02b | 19.70b | 40.62ab | N2 | P1 | 10.65±0.63a | 10.49±0.64a | 9.72±0.21b | 20.22±0.63a | 39.07±0.70a | | P2 | 9.91±0.37a | 10.10±0.32a | 10.96±0.37a | 21.06±0.67a | 41.69±0.48a | | P3 | 7.93±0.41b | 9.21±0.40a | 10.79±0.02a | 20.00±0.41a | 42.71±2.92a | | 平均Average | 9.50a | 9.93b | 10.49b | 20.43b | 41.16ab | N3 | P1 | 9.12±0.63a | 11.33±0.2a | 11.67±0.57a | 23.01±0.76a | 35.63±4.09a | | P2 | 9.13±0.16a | 11.75±0.46a | 11.85±0.48a | 23.61±0.11a | 40.80±0.56a | | P3 | 8.43±0.51a | 9.83±0.47b | 11.09±0.61a | 20.91±1.05a | 40.75±2.54a | | 平均Average | 8.89a | 10.97a | 11.54a | 22.51a | 39.06b | N4 | P1 | 10.50±0.66a | 10.54±0.11ab | 11.84±0.34a | 22.39±0.33ab | 42.10±1.84a | | P2 | 9.90±0.06a | 11.24±0.25a | 12.12±0.37a | 23.36±0.45a | 45.37±0.48a | | P3 | 8.59±0.78a | 9.90±0.36b | 12.00±0.50a | 21.90±0.15b | 44.47±0.39a | | 平均Average | 9.67a | 10.56ab | 11.99a | 22.55a | 43.98a | F值F value | 肥料Fertilizer | 1.47 | 7.62** | 15.30** | 22.54** | 2.16 | | 品种Variety | 7.06** | 23.19** | 3.95* | 18.60** | 1.88 | | 肥料×品种 Fertilizer×Variety | 1.37 | 1.35 | 1.21 | 1.80 | 0.24 |
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