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

图3 土壤线虫属与样方之间相关性的主成分分析(PCA)排序图 A：长期免耕阶段;B：长期免耕扰动后阶段;线虫属名用全名的前4个字母代替,若前4个字母相同,则按在电子附表1中顺序标上编号,全名见电子附表1。图4同。 CTCC：常规耕作玉米连作;CTCS：常规耕作玉米-大豆轮作;NTCC：免耕玉米连作;NTCS：免耕玉米-大豆轮作;DNTCC：免耕后扰动玉米连作;DNTCS：免耕后扰动玉米-大豆轮作

Fig. 3 Principal component analysis (PCA) of the relationship between nematode genera and samples A: Long-term no-tillage stage; B: Long-term no-tillage stage after disturbance. The name of the nematode genus is replaced by the first four letters of the full name. If the first four letters are the same, they are numbered in the order of Attached Table 1.The full name of nematode genus can be seen in Attached Table 1. The same as Fig. 4. CTCC: Conventional tillage with corn continuous cropping; CTCS: Conventional tillage with corn-soybean rotation; NTCC: No-till with corn continuous cropping; NTCS: No-till with corn-soybean rotation; DNTCC: Disturbed no-tillage with corn continuous cropping; DNTCS: Disturbed no-tillage with corn-soybean rotation