干旱绿洲农田少耕与氮肥配施对土壤理化性质、玉米产量及水氮利用效率的影响
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康建军, 赵文智, 何志斌, 杨荣, 刘冰, 赵丽雯
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Effects of reduced tillage combined with nitrogen application on soil physicochemical properties, maize productivity, and water and nitrogen use efficiency in the arid oasis farmland
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Jianjun Kang, Wenzhi Zhao, Zhibin He, Rong Yang, Bin Liu, Liwen Zhao
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表5 少耕与氮肥配施条件下不同生育期玉米株高(cm)的变化
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Table 5 Changes in plant height (cm)of corn under the condition of reduced tillage combined with N application
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| 处理 | 2022年 | 2023年 | 2024年 |
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| 苗期 | 拔节期 | 灌浆期 | 苗期 | 拔节期 | 灌浆期 | 苗期 | 拔节期 | 灌浆期 |
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| CK | 36.0±1.42a | 156.4±7.27c | 170.1±7.03c | 30.4±1.16b | 161.5±6.26d | 183.4±5.30d | 26.5±1.20b | 152.7±6.31d | 173.7±6.11d | | TT-N1 | 36.3±1.70a | 178.3±9.23b | 202.5±10.30b | 36.6±1.71a | 175.1±8.25c | 204.6±10.30c | 36.1±1.60a | 178.6±8.83c | 203.1±10.11c | | TT-N2 | 37.1±1.62a | 187.3±9.81ab | 215.5±9.67ab | 36.9±1.60a | 184.3±9.33bc | 215.5±9.98bc | 36.5±1.54a | 188.7±9.81bc | 216.7±9.63bc | | TT-N3 | 35.6±1.73a | 194.5±8.70a | 234.7±10.35a | 35.8±1.66a | 193.4±9.23b | 231.4±10.77b | 36.1±1.45a | 198.5±8.10b | 229.1±10.15b | | NT-N1 | — | — | — | 31.7±1.50b | 186.6±8.70bc | 215.6±9.25bc | 31.1±1.43b | 186.2±8.99bc | 217.9±10.21bc | | NT-N2 | — | — | — | 32.6±1.57b | 194.4±9.65b | 239.5±11.10ab | 32.0±1.60b | 193.5±9.31b | 238.7±11.02ab | | NT-N3 | — | — | — | 31.4±1.61b | 211.1±7.96a | 248.4±11.26a | 31.7±1.41b | 213.1±9.76a | 246.6±11.38a |
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