In 2020,the farmland soils of tobacco-rice rotation(TRT)and tobacco-maize rotation(TMT)were collected in Huayuan,Yongshun and Longshan of Xiangxi Prefecture for 5 consecutive years of planting,and the tobacco continuous cropping(TT)was used as the control.The stability ...MORE In 2020,the farmland soils of tobacco-rice rotation(TRT)and tobacco-maize rotation(TMT)were collected in Huayuan,Yongshun and Longshan of Xiangxi Prefecture for 5 consecutive years of planting,and the tobacco continuous cropping(TT)was used as the control.The stability of...