玉―豆和麦―豆轮作对大豆田杂草发生规律的影响
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王宇, 王金生, 王晓曦, 马力, 王克勤, 王春, 刘兴龙, 吴俊江, 李沐恺
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Effects of Maize-Soybean and Wheat-Soybean Rotation Modes on Weed Occurrence Regularity in Soybean Field
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Wang Yu, Wang Jinsheng, Wang Xiaoxi, Ma Li, Wang Keqin, Wang Chun, Liu Xinglong, Wu Junjiang, Li Mukai
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表2 2种轮作模式下大豆田优势杂草分析
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Table 2 Analysis of dominant weeds in soybean field under two rotation modes
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杂草类型 Weed type | 杂草种类 Weed species | 玉―豆轮作Maize-soybean rotation | | 麦―豆轮作Wheat-soybean rotation | 密度 Density | | 频度 Frequency | | 相对优势度 Relative abundance | 密度 Density | | 频度 Frequency | | 相对优势度 Relative abundance | | 2022 | 2023 | 2022 | 2023 | 2022 | 2023 | 2022 | 2023 | 2022 | 2023 | 2022 | 2023 | 禾本科杂草 Gramineous weed | 稗草 | 143.2 | 48.6 | | 76 | 82 | | 90.9 | 69.1 | | 76.8 | 37.2 | | 24 | 58 | | 87.1 | 82.4 | | 野黍 | 1.2 | 9.8 | | 12 | 36 | | 4.8 | 20.0 | | 0.6 | 0.4 | | 2 | 4 | | 2.4 | 2.8 | 阔叶杂草 Broadleaf weed | 藜 | 32.6 | 10.4 | | 52 | 48 | | 33.0 | 24.3 | | 32.4 | 10.0 | | 36 | 26 | | 60.7 | 28.1 | | 苘麻 | 10.8 | 24.4 | | 38 | 46 | | 18.3 | 36.2 | | 6.6 | 4.6 | | 26 | 28 | | 29.6 | 22.0 | | 反枝苋 | 28.0 | 2.2 | | 42 | 14 | | 27.4 | 6.3 | | - | - | | - | - | | - | - | | 马齿苋 | 3.6 | 1.6 | | 20 | 8 | | 8.7 | 3.9 | | - | 0.2 | | - | 2 | | - | 1.4 | | 龙葵 | 1.2 | 9.0 | | 12 | 42 | | 4.8 | 21.2 | | 0.6 | 17.8 | | 6 | 36 | | 6.1 | 44.1 | | 水棘针 | 0.2 | 1.0 | | 2 | 10 | | 0.8 | 4.0 | | 0.6 | 3.4 | | 6 | 12 | | 6.1 | 11.3 | | 本氏蓼 | 0.4 | 2.4 | | 4 | 14 | | 1.6 | 6.5 | | 0.2 | 1.4 | | 2 | 8 | | 2.0 | 6.4 | | 铁苋菜 | 0.4 | 1.0 | | 4 | 10 | | 1.6 | 4.0 | | 0.2 | 0.2 | | 2 | 2 | | 2.0 | 1.4 | | 狼耙草 | 1.2 | 0.2 | | 12 | 2 | | 4.8 | 0.8 | | 0.2 | - | | 2 | - | | 2.0 | - | | 萝藦 | 0.6 | - | | 4 | - | | 1.7 | - | | - | - | | - | - | | - | - | | 萹蓄 | 0.4 | - | | 4 | - | | 1.6 | - | | - | - | | - | - | | - | - | | 苍耳 | - | - | | - | - | | - | - | | 0.2 | - | | 2 | - | | 2.0 | - | | 野西瓜苗 | - | 0.6 | | - | 4 | | - | 1.8 | | - | - | | - | - | | - | - | | 刺儿菜 | - | 0.6 | | - | 4 | | - | 1.8 | | - | - | | - | - | | - | - |
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