Traditional Chinese medicine residues promote the growth and quality of Salvia miltiorrhiza Bunge by improving soil health under continuous monoculture

• DOI: 10.3389/fpls.2023.1112382
• Publication Date: 2023-06-07T16:09:26Z
• Authors: Sha Liu; Guang Yang; Faming Wu; Yang Ge; Fusong Liu; Chunjuan Pu; Zihan Wang; Ye Shen; Xiuteng Zhou; Yuzhi Luo; Fengsheng Li; You Zhang; Meilan Chen; Luqi Huang
• Keywords: Monoculture; Salvia miltiorrhiza

Continuous monoculture of crops has resulted in reduced yields and quality, as well soil deterioration. Although traditional Chinese medicine residues (TCMRs) are known to promote plant growth health, few studies have investigated their effectiveness continuous soils. Here, we studied the impact chemical fertilizers (CF) four TCMRs with antibacterial activities on S. miltiorrhiza (a widely used medicinal China), accumulation active ingredients plants, health under conditions. Compared no fertilizer (CK) CF, fermented Sophora flavescens radix residue (SFRf) unfermented Moutan cortex (MCRf MCRu, respectively) a reduction disease index root rot, while CF did not. The TCMR treatments increased nitrogen (N) (42.8-124.6% 17.0-101.7%), phosphorous (P) (19.8-74.7% 8.3-27.4%), potassium (K) (104.1-212.0% 9.3-51.8%) shoots roots compared CK. differences nutrient between were statistically insignificant, excepted for N roots. All fertilization biomass CK, increases 25.57-89.86% 2.62-35.28% roots, respectively. SFRf treatment exhibited most significant enhancement both shoot biomass. significantly seven by 23.90-78.95% whereas each certain ingredients. effectively improved deteriorated enhancing physicochemical properties, restoring balance microbial community, recruiting beneficial bacteria, reducing relative abundance pathogen Fusarium. superior performance improving than other treatments. Overall, outperformed promoting yield quality miltiorrhiza. These findings offer guidance cropping recycling TCMRs.