The present study evaluates the effect of the mixing ratio of substrates and inoculation with lignocellulolytic bacteria on green waste (GW) and food waste (FW) co-composting. A Box-Behnken design was used to simultaneously optimize the lignocellulose degradation (%LD) and end-product quality. The best operational conditions were 4.85*10⁵ CFU g⁻¹ of Bacillus sp. F3X3 and 1.44*10⁶ CFU g⁻¹ of Paenibacillus sp. F1A5 with a substrate mixture containing 50% GW, 32.5% unprocessed FW, 2.5% processed FW, 13% sawdust, and 2% phosphate rock; with a C/N ratio of 27. Under these conditions, the %LD was 33% and the end-product has pH 8.3, TOC 22,4%, TN 1,7%, and a germination index of 103%. Therefore, the product complies with quality standards for organic fertilizers. The results of this study allow the identification of appropriate strategies to optimize GW composting, increasing the degradation of lignocellulose and improving the end-product quality.

本研究评估了基质的混合比例和接种木质纤维素分解细菌对绿色垃圾（GW）和食物垃圾（FW）共同堆肥的影响。Box-Behnken 设计用于同时优化木质纤维素降解 (%LD) 和最终产品质量。最佳操作条件是芽孢杆菌4.85 * 10 5 ^CFU g ^-1 。F3X3 和 1.44*10 ⁶ CFU g ^-1类芽孢杆菌sp。F1A5，基材混合物含有 50% GW、32.5% 未加工 FW、2.5% 加工 FW、13% 木屑和 2% 磷矿石；C/N 比为 27。在这些条件下，%LD 为 33%，最终产品的 pH 值为 8.3，TOC 为 22.4%，TN 为 1.7%，发芽指数为 103%。因此，该产品符合有机肥料的质量标准。本研究的结果有助于确定优化 GW 堆肥、增加木质纤维素降解和提高最终产品质量的适当策略。