土壤耕作与施肥配合对玉米根系微观结构及产量的影响
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张韶昀,李向岭,刘盼,张悦,翟大帅,尹宝重
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Effects of Soil Tillage and Fertilization on Root Microstructure and Yield in Maize
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Shaoyun Zhang,Xiangling Li,Pan Liu,Yue Zhang,Dashuai Zhai,Baozhong Yin
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表2 不同处理不同时期土壤真菌、细菌数量比较
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Table 2 The number of soil fungi and bacteria in different periods under different treatments ×103CFU/g
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种类 Kind | 处理 Treatment | 土层Soil depth 0~15cm | 土层Soil depth 15~30cm | 播前 Before seeding | 苗期 Seedling | 拔节期 Jointing | 抽雄期 Tasseling | 灌浆期 Filling | 播前 Before seeding | 苗期 Seedling | 拔节期 Jointing | 抽雄期 Tasseling | 灌浆期 Filling | 真菌 | CK | 1.5a | 2.3c | 5.7b | 2.0c | 1.7c | 0.6a | 1.3b | 5.0a | 3.0b | 2.3b | Fungi | SAF | 1.4a | 1.7d | 4.3c | 3.0b | 4.0b | 0.7a | 2.0a | 3.7c | 2.0c | 3.0a | | SLF1 | 1.6a | 3.0b | 3.0d | 4.7a | 5.3a | 0.5a | 2.3a | 4.3b | 1.7d | 2.0b | | SLF2 | 1.7a | 4.7a | 6.0a | 2.0c | 0.3d | 0.7a | 1.0b | 1.0d | 5.3a | 3.0a | 细菌 | CK | 2.7a | 8.7a | 5.3c | 17.0b | 4.3c | 0.9a | 2.0c | 4.0d | 24.7a | 3.3c | Bacteria | SAF | 2.6a | 4.0d | 6.7b | 21.0a | 11.7a | 1.0a | 2.0c | 8.7a | 9.3c | 3.0c | | SLF1 | 2.7a | 7.7b | 2.7d | 8.0d | 6.7b | 0.9a | 2.3b | 5.0c | 9.3c | 8.3b | | SLF2 | 2.6a | 6.0c | 14.7a | 15.0c | 4.3c | 1.0a | 3.7a | 6.3b | 10.0b | 11.0a |
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