机械打顶时间对冀南棉区棉花农艺性状和产量的影响
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王燕, 张谦, 董明, 王树林, 冯国艺, 梁青龙, 祁虹
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Effects of Mechanical Topping Time on Agronomic Characteristics and Yield of Cotton in Southern Hebei Cotton Region
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Wang Yan, Zhang Qian, Dong Ming, Wang Shulin, Feng Guoyi, Liang Qinglong, Qi Hong
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表1 不同处理对棉花产量及其构成因素的影响
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Table 1 Effects of different treatments on yield and its components in cotton
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处理
Treatment | | 2022 | | | | 2023 | | 单株铃数
Boll number
per plant | 单铃重
Boll weight
(g) | 籽棉产量
Seed cotton
yield (kg/hm2) | | 单株铃数
Boll number
per plant | 单铃重
Boll weight
(g) | 籽棉产量
Seed cotton
yield (kg/hm2) | | CK | 9.75a | 5.21a | 3806.70a | | 10.56a | 5.36a | 4905.30a | | MT-7 | 9.10b | 5.31a | 3521.55b | | 10.38a | 5.36a | 4863.60a | | MT+0 | 9.52a | 5.19a | 3850.65a | | 10.45a | 5.55a | 4858.35a | | MT+7 | 9.74a | 5.08a | 3817.80a | | 10.30a | 5.17a | 4879.20a | | MT+14 | － | － | － | | 9.62b | 5.64a | 4581.45b |
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