东北黑土线虫群落对长期免耕后土壤扰动的响应

张梦亭,刘萍,黄丹丹,贾淑霞,张晓珂,张士秀,梁文举,陈学文,张延,梁爱珍

Response of Nematode Community to Soil Disturbance After Long-Term No-Tillage Practice in the Black Soil of Northeast China

ZHANG MengTing,LIU Ping,HUANG DanDan,JIA ShuXia,ZHANG XiaoKe,ZHANG ShiXiu,LIANG WenJu,CHEN XueWen,ZHANG Yan,LIANG AiZhen

表1 土壤基本理化性质（均值±标准误）

Table 1 Soil basic physicochemical properties (mean ± standard error)

年份Year 轮作方式Rotation 耕作方式Tillage 容重BD (g∙cm-3） 土壤有机碳SOC (g∙kg-1) 全氮TN (g∙kg-1） pH 2012 CC NT 1.31±0.08a 18.86±1.48a 1.85±0.02a 5.73±0.17a CT 1.03±0.07b 18.00±0.56b 1.65±0.01b 5.95±0.31a CS NT 1.27±0.04a 17.27±0.53c 1.70±0.01b 5.98±0.22a CT 1.10±0.07b 16.90±0.33d 1.65±0.01b 6.11±0.10a 2018 CC DNT 1.13±0.03a 17.84±0.26ab 1.64±0.03a 5.29±0.04ab CT 1.20±0.03a 18.62±0.27a 1.69±0.01a 5.17±0.02b CS DNT 1.12±0.01a 18.11±0.57ab 1.64±0.06a 5.17±0.08ab CT 1.11±0.03a 17.30±0.09b 1.60±0.03a 5.42±0.01a