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

图2 不同处理根区土壤青枯菌、黑胫病菌的数量及占微生物的百分比 不同字母表示处理间差异显著性(P<0.05)。CK: 不施生物炭; RB: 稻壳炭处理; WB: 木屑炭处理。

Fig. 2 Number and percentage of Ralstonia solanacearum E. F. Smith and Phytophthora parasitica var. nicotianac in rhizosphere microorganisms of different treatments Bars respective indicated by different letters are significant by different at P<0.05. Growing stage: vigorous growing stage; Phytophthora parasitica: Phytophthora parasitica var. nicotianac. CK: no biochar; RB: rice husk biochar; WB: wood biochar.