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| 大豆品种润豆18北种南引不同播种期的经济性状及产量表现 |
| Economic Characteristics and Yield Performance of Soybean Variety ‘Rundou 18’ Introduced from North China to South China under Different Sowing Dates |
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| DOI： |
| 中文关键词: 大豆品种 润豆18 引种 播种期 经济性状 |
| 英文关键词:Soybean variety Rundou 18 Variety introduction Sowing date Economic traits |
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| 中文摘要: |
| 通过从河北润硕种子科技有限公司引种大豆品种润豆18至贵州中部进行不同播种期的随机区组试验。结果表明：润豆18在海拔698.1 m、东经107°44′10″、北纬27°17′24″，于4月22日至5月20日播种均能正常生育收获，生育期达108 d至117 d；以4月29日播种产量3 250 kg/hm2最高，5月20日播种产量2 725 kg/hm2最低，不同播种期产量间达1%极显著差异水平。 |
| 英文摘要: |
| A randomized block experiment with different sowing dates was conducted using the soybean variety ‘Rundou 18’, which was introduced from Hebei Runshuo Seed Technology Co., Ltd. to central Guizhou. The results showed that, at an altitude of 698.1 m (107°44′10″ E, 27°17′24″ N), ‘Rundou 18’ could grow normally and be harvested when sown from April 22 to May 20, with a growth period ranging from 108 d to 117 d; the highest yield was 3 250 kg/hm2 when sown on April 29, and the lowest yield was 2 725 kg/hm2 when sown on May 20; the differences in yield among sowing dates reached an extremely significant level at P< 0.01. |
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