黑色全膜覆盖对高粱根区土壤温湿度的影响及杂草抑制效应
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张建华,郭瑞峰,曹昌林,白文斌
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Effects of Black Full Film Mulching on Soil Temperature and Humidity and Weed Control in Root Zone of Sorghum
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JianHua ZHANG,RuiFeng GUO,ChangLin CAO,WenBin BAI
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表1 不同全膜覆盖对杂草的防效
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Table 1 Different full film mulching on weed control
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日期（年-月-日）
Date
(Year-month-day) | 处 理
Treatment | 阔叶杂草 Broadleaf weeds | 禾本科杂草 Grass weeds | 杂草密度
Weed density (株/m2) | 株防效
Plant control effect (%) | 杂草鲜重
Weeds fresh weight (g·m-2) | 鲜重防效
Control effect of fresh weight (%) | 杂草密度
Weed density (株/m2) | 株防效
Plant control effect (%) | 杂草鲜重
Weeds fresh weight (g·m-2) | 鲜重防效
Control effect of fresh weight (%) | 2017-06-02
| 黑色宽膜
Black full film | 4a | 96.19b | 10.56a | 97.22b | 7a | 92.05b | 13.56a | 95.24b | 白色宽膜
White full film | 25b | 76.19a | 78.28b | 79.41a | 18b | 79.55a | 43.65b | 84.69a | | CK | 105c | | 380.22c | | 88c | | 285.12c | | | 2017-06-17 | 黑色宽膜
Black full film | 2a | 98.40b | 6.33a | 98.97b | 3a | 97.48b | 8.05a | 98.62b | 白色宽膜
White full film | 18b | 85.60a | 75.26b | 87.77a | 18b | 84.87a | 58.65b | 89.98a | | CK | 125c | | 615.25c | | 119c | | 585.12c | | | 2018-06-03 | 黑色宽膜
Black full film | 4a | 95.92b | 9.33a | 97.20b | 7a | 90.67b | 12.33a | 94.89b | 白色宽膜
White full film | 24b | 75.51a | 74.31b | 77.70a | 20b | 73.33a | 46.77b | 80.60a | | CK | 98c | | 333.22c | | 75c | | 241.08c | | | 2018-06-18 | 黑色宽膜
Black full film | 3a | 97.46b | 7.88a | 98.10b | 6a | 94.39b | 11.21a | 96.75b | 白色宽膜
White full film | 21b | 82.20a | 64.45b | 84.48a | 20b | 81.30a | 48.65b | 85.90a | | CK | 118c | | 415.25c | | 107c | | 345.12c | |
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