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Production and Subsequent Application of Different Biochar-based Organic Fertilizers to Enhance Vegetable Quality and Soil Carbon Stability

文献类型： 外文期刊

作者： Zhang, Jining 1 ; Ge, Li-ao 4 ; Yang, Yuxiang 5 ; Zhang, Xianxian 1 ; Wang, Cong 1 ; Sun, Huifeng 1 ; Chen, Honghui 4 ; Huang, Jian 4 ; Zhou, Sheng 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Shanghai 201403, Peoples R China

2.Shanghai Engn Res Ctr Low Carbon Agr SERCLA, Shanghai 201415, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Low Carbon Green Agr Southeastern China, Shanghai 201403, Peoples R China

4.Jinshan Agr Technol Extens Ctr, Shanghai 201500, Peoples R China

5.East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China

关键词： Biochar; Biochar-based organic fertilizer; Carbon stability; Compost; Vegetable

期刊名称：JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION （ 影响因子：3.1； 五年影响因子：3.6 ）

ISSN： 0718-9508

年卷期： 2025 年 25 卷 1 期

页码：

收录情况： SCI

摘要： This study was to elucidate the dual roles of biochar-based organic fertilizers in enhancing plant growth in intensive vegetable fields. A compost experiment and subsequent field trials were conducted. In the compost experiment, rice straw biochar, rice husk biochar, or grapevine biochar were added to cattle manure (at a 12% ratio) to produce mature compost.An experiment in which biochar-based organic fertilizer (5 t hm-2 fresh weight) was applied to fields cultivated with leafy vegetables was performed. The findings indicated that the total carbon content, pH, and N+P2O5+K2O content were 29.3-31.2%, 7.4-7.6, and 5.4-7.3%, respectively, in the final compost products. These results conformed to the biochar-based organic fertilizer standard (NY/T 3618-2020), indicating that the products could be classified as biochar-based organic fertilizers. Comparatively high nutrient content was observed in the straw biochar-based organic fertilizer. The addition of straw biochar and husk biochar to the biochar-based organic fertilizers increased the vitamin C content in the plant leaves by 12.8-29.9% and 7.0-26.8%, respectively, and in the petioles by 2.6-9.8% and 3.0-8.1%, respectively. The three types of biochar-based organic fertilizers influenced soil properties by elevating the pH, decreasing the EC by 16.9-31.8%, and reducing the available potassium by 14.6-17.9%. They also enhanced soil organic content and recalcitrant carbon content by 3.3-9.8% and 4.7-6.6%, respectively. The 12% biochar-amended compost proved to be an effective fertilizer, and its subsequent field application was also viable. This study enhances the understanding of biochar-based organic fertilizer applications for improving vegetable quality and soil organic carbon sequestration, providing scientific support for sustainable agricultural practices.

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