The cultivation of eggplant is extensive in our country,with a planting area of 779,000 hm2,but there exist common problems,such as excessive use of chemical fertilizers and low planting efficiency.Vinasse and mushroom residue are common food fermentation waste products,with a large amount of annual output.However,the current utilization methods suffer from high costs and low utilization rates.In order to explore a new biological approach to solve the above problems,this study intends to promote the growth of eggplant by co-culturing Bacillus velezensis T3 with vinasse and mushroom residue.The results showed that Bacillus velezensis T3 could colonize in both vinasse and mushroom residue,with peak viable cell counts of 3.39×108 CFU/g and 2.74×106 CFU/g,respectively.The co-cultivation of T3 with vinasse showed the best growth-promoting effect,with significantly higher plant height,stem diameter,number of leaves,leaf area,SPAD value,and nitrogen content compared to the control,with increases of 95.04%,102.67%,300.23%,43.46%,21.07%,and 25.76%.
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