饲料油菜作绿肥对后茬麦田土壤肥力及细菌群落的影响

李文广,杨晓晓,黄春国,薛乃雯,夏清,刘小丽,张晓琪,杨思,杨珍平,高志强

Effects of Rapeseed Green Manure on Soil Fertility and Bacterial Community in Dryland Wheat Field

WenGuang LI,XiaoXiao YANG,ChunGuo HUANG,NaiWen XUE,Qing XIA,XiaoLi LIU,XiaoQi ZHANG,Si YANG,ZhenPing YANG,ZhiQiang GAO

表2 饲料油菜播量（S）及还田时期（D）对后茬麦田土壤细菌群落多样性的影响

Table 2 Effects of feed rape sowing density (S) and returning date (D) on soil bacterial community diversity of wheat field

处理 Treatment 自由度 DF OTU 多样性指数Diversity Index Chao 1 ACE Shannon S1 D1 5490b 6086b 4875bc 10.8abc D2 4458g 4994g 3845f 10.4d D3 4708f 5227f 4188e 10.6c S2 D1 5144d 5782cd 4518d 10.7bc D2 5016e 5583de 4515d 10.6c D3 4629f 5141f 4443d 10.6c S3 D1 5291c 5981bc 4705c 10.9ab D2 5498b 6194b 4903b 10.9ab D3 5711a 6443a 5256a 11.0a CK 5254c 5491e 4946b 10.9ab S1 4885c 5435b 4302c 10.57b S2 4929b 5527b 4492b 10.63b S3 5500a 6206a 4944a 10.91a D1 5308a 5949a 4699a 10.76a D2 4991c 5590b 4421b 10.62b D3 5016b 5629b 4619a 10.73ab F值F value 播量S 2 1952** 88.82** 79.04** 20.63** 还田时期D 2 517** 19.48** 14.93** 3.22* 播量×还田时期S×D 4 864** 29.26** 39.44** 3.22* 误差Error 12 总变异Total 26