收获时期对早稻产量与镉积累分配特性的影响
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王罕, 郑德超, 田琴琴, 吴小京, 周文新, 易镇邪
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Effects of Harvest Time on Yield and Cadmium Accumulation and Distribution Characteristics of Early Rice
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Wang Han, Zheng Dechao, Tian Qinqin, Wu Xiaojing, Zhou Wenxin, Yi Zhenxie
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表2 不同收获时期下早稻各器官干物质重
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Table 2 Dry matter weight of different organs of early rice under different harvest times t/hm2
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| 年份Year | 品种Variety | 处理Treatment | 根Root | 茎Culm | 叶Leaf | 谷壳Chaff | 糙米Brown rice | | 2021 | 湘早籼45号 | Ⅰ | 0.76a | 3.36a | 1.49a | 0.82a | 3.20d | | | Ⅱ | 0.71a | 3.26ab | 1.36ab | 0.87a | 3.62c | | | Ⅲ | 0.70a | 3.23ab | 1.22ab | 0.86a | 4.03b | | | Ⅳ | 0.69a | 3.22ab | 1.22ab | 0.83a | 4.70a | | | Ⅴ | 0.64a | 3.14b | 1.09b | 0.85a | 4.77a | | 陆两优996 | Ⅰ | 1.08a | 4.09a | 1.72a | 1.09a | 2.54d | | Ⅱ | 0.88b | 3.72a | 1.59a | 1.12a | 3.49c | | Ⅲ | 0.86b | 3.72a | 1.55a | 1.14a | 3.98bc | | Ⅳ | 0.85b | 3.59a | 1.47a | 1.14a | 4.48ab | | Ⅴ | 0.84b | 3.67a | 1.43a | 1.17a | 4.71a | | 2022 | 湘早籼45号 | Ⅰ | 0.62a | 4.16a | 1.58a | 0.87a | 3.10c | | | Ⅱ | 0.61a | 3.70ab | 1.48a | 0.85a | 3.44bc | | | Ⅲ | 0.58a | 3.70ab | 1.40a | 0.84a | 3.91b | | | Ⅳ | 0.54a | 3.61b | 1.39a | 0.88a | 4.17ab | | | Ⅴ | 0.52a | 3.27c | 1.37a | 0.91a | 4.34a | | 株两优4026 | Ⅰ | 0.73a | 4.52a | 1.61a | 1.48a | 4.52c | | Ⅱ | 0.72a | 4.51a | 1.43b | 1.45a | 4.96bc | | Ⅲ | 0.71a | 4.50a | 1.24c | 1.47a | 5.03b | | Ⅳ | 0.66a | 4.32a | 1.12c | 1.46a | 5.92a | | Ⅴ | 0.65a | 4.30a | 1.10c | 1.50a | 6.01a |
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