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3 不同处理根区土壤微生物对六类碳源的利用

Table 3 Utilization of six categories of carbon sources by rhizosphere microorganisms in different treatments

测定时期 Measurement period 处理 Treatment 碳水化合物 Carbohydrate 氨基酸类 Amino acid 聚合物 Polymer 酚酸类 Phenothiazine 胺类 Propylamine 羧酸类 RCOOH 旺长期 Vigorous growing stage CK 0.41±0.07 b 0.32±0.04 b 0.38±0.06 b 0.10±0.01 c 0.11±0.01 c 0.38±0.10 b RB 0.43±0.06 b 0.55±0.02 b 0.40±0.04 b 0.22±0.02 b 0.33±0.03 b 0.40±0.04 ab WB 0.69±0.02 a 0.99±0.06 a 0.89±0.17 a 0.45±0.05 a 0.53±0.04 a 0.55±0.12 a 采烤前 Mature stage CK 0.41±0.03 b 0.57±0.13 b 0.32±0.10 b 0.26±0.10 a 0.55±0.03 b 0.70±0.04 a RB 0.55±0.14 ab 0.77±0.05 a 0.67± 0.04 a 0.16±0.08 a 0.43±0.04 b 0.71±0.04 a WB 0.62±0.10 a 0.84±0.02 a 0.79± 0.03 a 0.12±0.03 a 0.35±0.05 a 0.60±0.08 a