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

张明发, 张胜, 滕凯, 陈前锋, 田明慧, 江智敏, 巢进, 菅攀锋, 邓小华

Effects of Fertilizing with Straw Biochar on Soil pH and Root Growth of Flue-Cured Tobacco in Huayuan, Hunan

Zhang Mingfa, Zhang Sheng, Teng Kai, Chen Qianfeng, Tian Minghui, Jiang Zhimin, Chao Jin, Jian Panfeng, Deng Xiaohua

图2 各处理不同时期根际土壤pH 不同大写字母表示在0.01水平上差异极显著，不同小写字母表示在0.05水平上差异显著，下同

Fig.2 Rhizosphere soil pH of biochar treatments in different periods Different uppercase letters indicate extremely significant difference at the 0.01 level, and different lowercase letters indicate significant difference at the 0.05 level, the same below