What does the dairy farming bring to the desertified soil? A case study

文献类型： 外文期刊

第一作者： Han, Zixi

作者： Han, Zixi;Zeng, Jianfei;Dong, Yanyan;Wei, Sha;Han, Zixi;Zhao, Xu;Hou, Yong;Han, Zixi;Zhao, Xu;Mu, Yongsong;Han, Ziyu;Han, Ziyu

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关键词： Dairy farming; Crop and livestock integration soil; improvement; Carbon footprint; Life cycle assessment

期刊名称：AGRICULTURAL SYSTEMS （ 影响因子：6.1； 五年影响因子：7.0 ）

ISSN： 0308-521X

年卷期： 2025 年 229 卷

页码：

收录情况： SCI

摘要： CONTEXT: The improvement and utilization of desertified soil are essential for global food security. Advances in modern agricultural technology have made it possible to conduct dairy farming on desertified soils. OBJECTIVE: To clarify the process of desertified soil improvement through a crop and livestock integration agricultural model, and further elucidate the carbon foot print (CF) during this process by a case study. METHOD: A 15-year study (2008-2023) was conducted on a crop and livestock integration dairy farm to assess soil improvement. Life cycle assessment methodology was employed to analyze the changes in the CF with the increased production capacity of the farm. RESULT AND CONCLUSIONS: The results revealed the following from 2008 to 2023: (1) soil production increased dramatically, (2) soil organic matter, total nitrogen, available phosphorus, and available potassium improved by 174.7 %, 55.8 %, 241.2 %, and 180.1 %, respectively, (3) unaggregated soil decreased from 77.06 % to 32.03 %, while bulk density decreased from 1.73 to 1.36, and (4) the CF of fat- and protein-corrected milk (FPCM) decreased from 39.72 kg CO2-eq kg-1 in 2012 to 2.59 kg CO2-eq kg-1 in 2020, followed by 35 % increase from 2020 to 2023. SIGNIFICANCE: This study has significant implications for developing sustainable dairy farming systems in desertified areas, focusing on soil productivity improvement and CF reduction.

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