Global agrifood systems face three interconnected challenges:ensuring food security,promoting environmental sustainability,and restoring soil health in the face of climate change.Conventional practices have prioritize...Global agrifood systems face three interconnected challenges:ensuring food security,promoting environmental sustainability,and restoring soil health in the face of climate change.Conventional practices have prioritized productivity over ecological resilience,leading to soil degradation,increased greenhouse gas(GHG)emissions,and inefficient resource utilization.Here,we introduce a“triple-goal”agrifood framework that enhances food production,soil health,and GHG mitigation simultaneously through integrated innovations.Using a second-order meta-analysis of 104 meta-analyses that cover 39,162 studies and 300,139 global field comparisons,we identified key interventions,including optimized fertigation,diversified cropping systems,organic amendments,and precision N management,that increased productivity by 14%–28%while reducing environmental impacts.Diversified systems boosted yields by 19.6%and reduced land use by 19%.Integrating legumes and cover crops lowered N2O emissions by 18%–65%,while organic amendments increased soil organic carbon stocks by 7%–13%.Structural equation modeling identified nitrogen use efficiency and microbial activity as central to the food-soil-emissions nexus.However,tradeoffs remain;yield-focused strategies can elevate emissions if not tailored to local conditions.By integrating agronomic,biological,and technological interventions such as conservation tillage,biofertilization,and digital agriculture,this triple-goal framework supports a 15%–30%reduction in anthropogenic CO2-equivalent emissions.These findings underscore the need for policy reform and multi-stakeholder collaboration to scale up the adaptation of integrated strategies in alignment with the UN’s Sustainable Development Goals and the“One Health”initiative.The triple-goal framework provides a transformative pathway to climate-smart,equitable,and resilient agrifood systems that strike a balance between productivity and planetary health.展开更多
Soil nutrient availability and their spatial distributions are strongly related to land use and landscape morphology.This study aims to address the knowledge gap regarding the interaction between these factors and the...Soil nutrient availability and their spatial distributions are strongly related to land use and landscape morphology.This study aims to address the knowledge gap regarding the interaction between these factors and the underlying mechanisms.We selected five land uses(grassland with Artemisia gmelinii,woodland with Robinia pseudoacacia,shrubland with Caragana korshinskii and Hippophae rhamnoides,and apple orchard with Malus pumila)and nine slope positions across hillslopes in the Loess Plateau,China,to investigate their combined effects on the contents and stocks of soil organic carbon(SOC),total nitrogen(TN)and total phosphorus(TP).Parametric and non-parametric statistical tests were conducted to determine the significant differences in the means or the medians of the soil nutrient variables.Results showed that the SOC and TN contents of shrubland with Caragana korshinskii were statistically significantly greater than those of the grassland(p<0.05).SOC and TN contents generally decreased from the upper slope to the middle slope,and to the foot slope for the grassland,woodland and shrublands,and on the contrary,an increasing trend from the upper slope,to the middle slope,and to the foot slope was identified for the apple orchard.This study highlights that land use,slope position and their interaction have significant effects on the spatial distributions of soil nutrients.It provides essential empirical evidence for the identification of the optimal vegetation type and slope positions in land management and vegetation restoration activities.展开更多
基金supported by the National Natural Science Foundation of China(32472826)the Leading Project of the“Three Agri-Priorities with Nine Directions”Science and Technology Collaboration Plans in Zhejiang Province(2025SNJF016)the Wenzhou University research start-up fund(QD2024084),and the Wenzhou City Talent Introduction fund(R20241101)。
文摘Global agrifood systems face three interconnected challenges:ensuring food security,promoting environmental sustainability,and restoring soil health in the face of climate change.Conventional practices have prioritized productivity over ecological resilience,leading to soil degradation,increased greenhouse gas(GHG)emissions,and inefficient resource utilization.Here,we introduce a“triple-goal”agrifood framework that enhances food production,soil health,and GHG mitigation simultaneously through integrated innovations.Using a second-order meta-analysis of 104 meta-analyses that cover 39,162 studies and 300,139 global field comparisons,we identified key interventions,including optimized fertigation,diversified cropping systems,organic amendments,and precision N management,that increased productivity by 14%–28%while reducing environmental impacts.Diversified systems boosted yields by 19.6%and reduced land use by 19%.Integrating legumes and cover crops lowered N2O emissions by 18%–65%,while organic amendments increased soil organic carbon stocks by 7%–13%.Structural equation modeling identified nitrogen use efficiency and microbial activity as central to the food-soil-emissions nexus.However,tradeoffs remain;yield-focused strategies can elevate emissions if not tailored to local conditions.By integrating agronomic,biological,and technological interventions such as conservation tillage,biofertilization,and digital agriculture,this triple-goal framework supports a 15%–30%reduction in anthropogenic CO2-equivalent emissions.These findings underscore the need for policy reform and multi-stakeholder collaboration to scale up the adaptation of integrated strategies in alignment with the UN’s Sustainable Development Goals and the“One Health”initiative.The triple-goal framework provides a transformative pathway to climate-smart,equitable,and resilient agrifood systems that strike a balance between productivity and planetary health.
基金The authors wish to thank all the technicians involved in field and laboratory work.This work was supported by the National Natural Science Foundation of China Project(grants 41991235,42007052)the Fundamental Research Funds for the Central Universities.
文摘Soil nutrient availability and their spatial distributions are strongly related to land use and landscape morphology.This study aims to address the knowledge gap regarding the interaction between these factors and the underlying mechanisms.We selected five land uses(grassland with Artemisia gmelinii,woodland with Robinia pseudoacacia,shrubland with Caragana korshinskii and Hippophae rhamnoides,and apple orchard with Malus pumila)and nine slope positions across hillslopes in the Loess Plateau,China,to investigate their combined effects on the contents and stocks of soil organic carbon(SOC),total nitrogen(TN)and total phosphorus(TP).Parametric and non-parametric statistical tests were conducted to determine the significant differences in the means or the medians of the soil nutrient variables.Results showed that the SOC and TN contents of shrubland with Caragana korshinskii were statistically significantly greater than those of the grassland(p<0.05).SOC and TN contents generally decreased from the upper slope to the middle slope,and to the foot slope for the grassland,woodland and shrublands,and on the contrary,an increasing trend from the upper slope,to the middle slope,and to the foot slope was identified for the apple orchard.This study highlights that land use,slope position and their interaction have significant effects on the spatial distributions of soil nutrients.It provides essential empirical evidence for the identification of the optimal vegetation type and slope positions in land management and vegetation restoration activities.
