No-till intercropping enriches soil nutrients and regulates the stability and composition of microbial networks in tobacco fields
Continuous flue-cured tobacco monocropping disrupts soil nutrient balance and degrades microbial communities, whereas post-tobacco small crop rotations can help alleviate these continuous cropping constraints. In this study, tobacco fields in Geyi and Xize, Xuanwei City, Yunnan Province, were used to compare six treatments involving post-tobacco no-tillage intercropping and conventional rotation with leguminous and non-leguminous crops. The main objective was to clarify how cropping patterns and crop types could affect soil nutrients and microbial communities.