基于品种生育期有效积温确定夏玉米适宜播期
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陈静,任佰朝,赵斌,刘鹏,杨今胜,张吉旺
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Determination on Suitable Sowing Date of Summer Maize Hybrids Based on Effective Accumulated Temperature in Growth Period
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CHEN Jing,REN BaiZhao,ZHAO Bin,LIU Peng,YANG JinSheng,ZHANG JiWang
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表1 选用玉米品种及其生育期（2017—2019）
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Table 1 Maize hybrids and their growth periods used in 2017-2019
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| 年份Year | 熟期Maturity | 品种Hybrid | 出苗-成熟期天数VE-R6 (d) | | 2017 | 中早熟Medium early maturity | 登海518 DH518 | 100 | | 中晚熟Medium late maturity | 郑单958 ZD958 | 110 | | 2018 | 中早熟Medium early maturity | 京农科728 JNK728 | 100 | | 登海618 DH618 | 99 | | 中晚熟Medium late maturity | 郑单958 ZD958 | 110 | | 登海605 DH605 | 110 | | 2019 | 中早熟Medium early maturity | 京农科728 JNK728 | 100 | | 登海618 DH618 | 99 | | 中晚熟Medium late maturity | 郑单958 ZD958 | 110 | | 先玉335 XY335 | 110 |
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