播期播量对不同穗型冬小麦群体及子粒产量的影响
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安霞,张海军,蒋方山,吕连杰,陈军
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Effects of Different Sowing Dates and Sowing Densities on the Population Structure and Yield of Two Spike Type Winter Wheats
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Xia An,Haijun Zhang,Fangshan Jiang,Lianjie Lü,Jun Chen
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表1 播期播量处理对不同穗型小麦群体茎蘖的影响
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Table 1 Effects of different sowing dates and planting densities on the number of stems of different spike-type wheat varieties
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品种 Variety | 处理 Treatment | 基本苗(万/hm2) Basic seedling | 越冬期(万/hm2) Over-winter | 返青期(万/hm2) Turning green | 拔节期(万/hm2) Jointing | 成熟期(万/hm2) Mature | 成穗率(%) Earing rate | 山农23号 | T1 | 272.5bB | 741.5aA | 1 089.5abA | 897.0abA | 547.0bB | 50.2 | Shannong No.23 | T2 | 261.5bB | 564.5bB | 1 221.0aA | 1 013.0aA | 502.5cC | 38.7 | | T3 | 368.5aA | 678.5aAB | 1 054.5bA | 850.5bA | 628.0aA | 59.6 | 济麦22 | T1 | 247.0bB | 696.5aA | 1 289.0aA | 1 069.5aA | 496.0aA | 38.5 | Jimai 22 | T2 | 215.5cB | 291.5cB | 1 232.0aA | 1 022.5aA | 488.0aAB | 39.6 | | T3 | 314.0aA | 380.0bB | 1 225.0aA | 1 059.0aA | 466.5bB | 39.3 |
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