湖南花垣烟区秸秆生物炭配施量对土壤pH及烤烟根系的影响
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张明发, 张胜, 滕凯, 陈前锋, 田明慧, 江智敏, 巢进, 菅攀锋, 邓小华
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Effects of Fertilizing with Straw Biochar on Soil pH and Root Growth of Flue-Cured Tobacco in Huayuan, Hunan
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Zhang Mingfa, Zhang Sheng, Teng Kai, Chen Qianfeng, Tian Minghui, Jiang Zhimin, Chao Jin, Jian Panfeng, Deng Xiaohua
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表3 水平方向根系土壤pH
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Table 3 Rhizosphere soil pH at different root layers in horizontal direction
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根系层次 Root layers (cm) | 处理 Treatment | 移栽后天数Days after transplanting | 15d | 30d | 45d | 60d | 75d | 90d | 105d | 0~10 | T1 | 5.94±0.50abA | 6.12±0.51abA | 6.43±0.53abA | 6.59±0.51bA | 6.68±0.49aA | 6.69±0.47aA | 6.73±0.45aA | | T2 | 6.29±0.46aA | 6.35±0.49aA | 6.60±0.48abA | 6.63±0.45bA | 6.72±0.42aA | 6.76±0.43aA | 6.83±0.41aA | | T3 | 6.86±0.40aA | 6.90±0.41aA | 6.99±0.43aA | 7.10±0.39aA | 7.11±0.37aA | 7.21±0.36aA | 7.29±0.32aA | | CK | 5.73±0.59bA | 5.67±0.60bA | 5.64±0.61bA | 5.51±0.58cA | 5.39±0.57bA | 5.27±0.56bA | 5.12±0.53bA | 10~20 | T1 | 5.99±0.52bA | 6.08±0.54abA | 6.18±0.55abA | 6.22±0.53abA | 6.49±0.51abA | 6.63±0.50bA | 5.58±0.48bA | | T2 | 6.34±0.47aA | 6.38±0.48abA | 6.49±0.50aA | 6.58±0.48aA | 6.87±0.46aA | 7.11±0.44aA | 7.12±0.43aA | | T3 | 6.92±0.42aA | 7.00±0.44aA | 7.09±0.46aA | 7.12±0.45aA | 7.33±0.43aA | 7.56±0.42aA | 7.58±0.40aA | | CK | 5.78±0.60bA | 5.72±0.63aA | 5.69±0.65bA | 5.56±0.62bA | 5.43±0.60bA | 5.31±0.58cA | 5.16±0.56cA | 20~30 | T1 | 6.04±0.55bA | 6.05±0.58abA | 6.04±0.60bA | 6.21±0.57aA | 6.32±0.55abA | 6.38±0.54abA | 6.39±0.52abA | | T2 | 6.40±0.49aA | 6.41±0.51abA | 6.42±0.53aA | 6.61±0.52aA | 6.62±0.49abA | 6.66±0.44abA | 6.68±0.43abA | | T3 | 6.98±0.43aA | 7.00±0.44aA | 7.02±0.46aA | 7.22±0.43aA | 7.26±0.40aA | 7.29±0.36aA | 7.31±0.31aA | | CK | 5.83±0.59bA | 5.77±0.62bA | 5.74±0.66bA | 5.60±0.63bA | 5.48±0.61bA | 5.36±0.60bA | 5.21±0.57bA |
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