Root enhancement improves rhizosphere nutrient availability and promotes growth in flue-cured tobacco.

ABSTRACT:

Introduction

Enhancing root development can profoundly reshape rhizosphere symbioses that influence nutrient uptake and plant growth. However, the mechanisms linking root optimization, rhizosphere microbial assembly, and nutrient dynamics in flue-cured tobacco remain insufficiently understood.

Methods

A field experiment was conducted using flue-cured tobacco (Nicotiana tabacum L., cv. Yunyan 87) to compare an enhanced-root treatment (nutrient-bag seedling system under alternating moisture) with conventional floating seedling cultivation. Root traits, rhizosphere nutrient availability, soil enzyme activities, microbial community composition, plant nutrient accumulation, and mediation relationships among root traits, rhizosphere environment, and plant growth were evaluated.

SUBMITTER: Yu L 

PROVIDER: S-EPMC12854075 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature