不同种类生物炭对植烟土壤微生物及根茎病害发生的影响

李成江,李大肥,周桂夙,许龙,徐天养,赵正雄

Effects of different types of biochar on soil microorganism and rhizome diseases occurrence of flue-cured tobacco

Cheng-Jiang LI,Da-Fei LI,Gui-Su ZHOU,Long XU,Tian-Yang XU,Zheng-Xiong ZHAO

表1 供试生物炭基本性质

Table 1 Properties of biochar in pot experiment

生物炭 Biochar pH 有机质 Organic matter (g kg-1) 全氮 Total N (g kg-1) 全磷 Total P (g kg-1) 全钾 Total K (g kg-1) 电导率 Electric conductivity (mS cm-1) 稻壳炭 Rice husk biochar 9.46 17.33 0.28 28.32 39.08 4.79 木屑炭 Wood biochar 6.35 51.60 0.35 16.63 11.12 6.03