查看更多>>摘要：Reconciling the tasks of producing adequate amounts of nutritious food for the increasing global population while preserving the environment and natural ecosystems simultaneously is an enormous challenge.The concept of agriculture green development(AGD)and the necessary governmental policies were developed to address the aforementioned challenge in China and to help achieve the related global sustainable development goals.Agriculture green development emphasizes the synergy between green and development;current agriculture has to transform from the intensive farming with high inputs,high environmental impacts and low resource-use efficiency to a more sustainable agriculture,in order to ensure an adequate supply of nutritious food while delivering environmental integrity,improved economic profitability,and social equity.A research program on AGD was established by China Agricultural University with four research themes,namely:green crop production,green integrated crop-animal production,green food and industry,and green ecological environment and ecosystem services,to provide a scientific basis for future developments and to facilitate the implementation of AGD in practice.AGD requires a multistakeholder approach,fueled by innovative and interdisciplinary research.Joint actions have to be taken by governments,farmers,supply industries,consumers,educators,extension services and researchers to support AGD.This requires strong coordination and public awareness campaigns.This review presents the progress that has been made over the past 5 years and makes recommendations for more research and development,in order to better deliver agricultural green and sustainable development on national and international scales.
查看更多>>摘要：China has initiated a green transformation plan in 2015,which was soon applied to agriculture,known as the agriculture green development(AGD)initiative,with the goals of achieving food security,high resource use efficiency,and an ecofriendly environment.To assess the agricultural transformation from 1997 to 2020,this paper proposes a national-scale indicator system consisting three dimensions(socioeconomic,food production and eco-environmental)and ten sub-dimensions to quantify the AGD score.This study showed that AGD score in China was at a moderate level during 1997-2010,scoring 40 out of 100.During this stage,decreased scores in the sub-dimensions of resource consumption,environmental quality,and environmental cost have offset the improvement in the socioeconomic dimension,resulting in fluctuated scores around 40.In the second stage(2011-2020),China's AGD score improved but still at moderate level,scoring an average of 46.3,with each dimension increasing by 5.3％-25.0％.These results indicate that China has made progress in the agricultural transformation,transitioning from conceptualization to actions through the implementation of various policies and projects.However,the study emphasizes the need for more effort to address the insufficient and unbalanced development,along with the growing eco-environmental challenges,especially the trade-offs among dimensions.
查看更多>>摘要：In many countries,political and environmental pressures are currently combining to generate a perfect storm of circumstances that is reducing food availability,increasing food costs and thereby reducing the availability of food to many.The UK is currently considering new national food and land management policies,and attention is also being given to legislation to address diet-related health issues.Many now argue for a revolution in UK farming practices to reduce their impact on the natural environment.The UK is not alone in facing these and other challenges.Both the contribution of agriculture to greenhouse gas(GHG)emissions and the effects of climate change on food production are issues receiving worldwide attention.Regenerative agricultural practices can result in greater C capture,reduced GHG emissions,enhanced soil quality and enhanced biodiversity.However,it is questioned if such farming systems will be productive enough to feed a growing population with the food required for social and health benefits.To fully exploit the impact of new plant science in farmer fields,it is imperative to effectively link science to farming practices and conduct a broader conversation around the food revolution with social scientists and with the general public.
查看更多>>摘要：Agriculture green development(AGD)has become an unavoidable choice to address the unique national circumstances of China.This study established a county-level AGD evaluation index system,comprised three dimensions,food production,ecological environment and socioeconomic development,using 20 indicators.The assessment delved into historical trend and current situation,utilizing Spearman rank correlation analysis to analyze trade-off and synergy relationships,using Quzhou County,Hebei Province as a case study.The main findings were in four areas.Firstly,the index for AGD in Quzhou County increased by 58.9％from 1978 to 2019.The major contribution were the social economy(65.8％)and food production(53.5％),whereas the ecological environment was found to have had a negative impact.Secondly,in 2019,the AGD index was only 56.4,indicating substantial potential for improvement relative to the target value.A notable difference in scores existed between the three dimensions,with the order being ecological environment(66.3)＞food production(61.7)＞socioeconomic(41.3).Also,90％of the indicators did not reach the target value.Thirdly,relationship analysis of the indicators revealed that the synergistic effect exceeded the trade-off effect.Specifically,46.3％of the indicators had no significant relationship,35.3％had a synergistic relationship,and 18.4％had a trade-off relationship.Finally,interdimensional indicator relationships exhibited a trade-off effect between the ecological environment and both food production and socioeconomic dimensions.However,a positive trend of synergy between production and ecology has emerged since 2015.In conclusion,the quantitative evaluation index system exposed the unbalanced development and significant potential relative to the target value of AGD in Quzhou County,despite notable progress.
查看更多>>摘要：While agricultural green development(AGD)is highly recognized and has become a national strategy in China,it is imperative to bridge the knowledge gaps between AGD and the UN Sustainable Development Goals(SDGs),and to evaluate the contribution of AGD to meeting the SDGs.The first aim of this study was to compare the AGD goals and indicators with those of the SDGs so as to identify their relationship.The next aim was to examine the historical evolution of AGD indicators and analyze the gaps between the current status of various indicators and their benchmarks.Limiting factors were identified in China's transition toward AGD.These findings reveal that the indicators of AGD align with those of the SDGs,but have greater specificity to the context in China and are more quantifiable.There has been a significant increase per capita calorie and protein intakes in China,as well as a notable rise in agricultural output per unit of arable land and rural incomes from 1980 to the 2010s.However,these achievements have been accompanied by a high resource use and environmental pollution,highlighting the need for a more sustainable,environmentally responsible agriculture in China.
查看更多>>摘要：The realization of green and sustainable development of agriculture is the common pursuit all over the world.Agriculture green development(AGD)program has been proposed as a sustainable development strategy in China,but insufficient is known about the quantitative evaluation of spatiotemporal variation in AGD at the regional scale.This study aimed to assess spatiotemporal patterns in AGD at the county/city-based regional level.For this purpose,a systematic index evaluation system was developed to assess the performance of socioeconomic,food production and environmental components in a key economic region(Hainan Province)of China.Hainan improved its AGD index(representing the overall performance toward achieving AGD)from 38.8 in 1988 to 40.9 in 2019.The socioeconomic development and agricultural productivity have improved with time;environmental quality declined due to overuse of chemicals from 1988 to 2013,but steadily improved after 2013,indicating positive effects of reducing chemical input.There was a higher AGD index in the coastal vs.central regions and the southern vs.northern regions.Scenarios featuring improved nutrient management or optimized diet structure and reduced waste improved economic benefits and social productivity while concurrently reducing environmental degradation.These results provide new insights for the future development of green and sustainable agriculture and formulation of agricultural policies in Hainan Province of China and even other developing countries that are facing or will soon face similar challenges.
查看更多>>摘要：Balancing ecological preservation with sustainable agricultural practices is a global issue.Erhai Lake has felt this challenge keenly.To address it,in 2022,a Science and Technology Backyards(STBs)project was launched in Gusheng Village.The goal of this is to care for the environment while ensuring that farms and farmers can thrive sustainably.The uniqueness of the Erhai STB arises from its interdisciplinary integration,encompassing fields such as ecology,agronomy and social science,resulting in specifically-designed solutions for the Erhai context.While this model aligns with broader STB paradigms,its distinctive edge lies in technological innovation and robust support mechanisms for local agricultural stakeholders.This paper describes the methodology and outcomes of the STB initiative,highlighting its pivotal role in spearheading sustainable transition in Erhai.Preliminary findings underscore the potential of the STB model as an efficacious tool for harmonizing environmental conservation and agricultural practices,that are both financially and environmentally sustainable,rendering it a potential model for comparable regions in China and other counties.
查看更多>>摘要：Nitrogen(N)is an essential nutrient for food production.The rapid increase in population requires high inputs of N to meet the growing food demand.If not managed well,the substantial loss of N from the food system has multiple impacts on grain yield,air and water pollution,and the economic benefits of agricultural.Multi-objective(food security,environmental sustainability and economic sustainability)synergistic consideration of N management in the food system is still lacking.This study employed strategies for optimizing N management in the food system,using Quzhou County as a typical example on the North China Plain.Firstly,a food chain approach was adopted to understand drivers and reasons behind N losses from the food system.Secondly,a top-down approach was used to define multi-objective N management,taking into consideration food security,environmental sustainability and economic sustainability.Multi-objective N management aims to reduce N losses to the environment and increase N use efficiencies,while simultaneously increasing yields and economic benefits.Thirdly,3R(reduce-retain-recycle)N management strategies were identified for specific crops and animals through a bottom-up approach and then analyzed the potential of these strategies to achieve the multi-objectives.Finally,there is a discussion of how to engage different stakeholders to promote the technologies implementation.This study provides new insights into the synergistic achievement of multi-objective N management in the food system and the development of environmentally-friendly agriculture.
查看更多>>摘要：The Yellow River Basin is an important food production area and an ecological challenge for China,where environmental protection and water scarcity are the major constraints.For the upper reaches of the Yellow River Basin,optimizing the adoption of chemicals in agricultural production and integrating crops with livestock are the key strategies for protecting the eco-environment.For dryland agriculture in the middle and upper reaches,this study summarizes four aspects of efficient precipitation techniques in terms of collection,storage,conservation,and use,which have greatly improved crop yields and supported dryland crop production.Irrigated agriculture in the middle and lower reaches is the core area of China's grain production,where the area under water-saving irrigation reached 13.0 Mha in 2018,greatly improving water use.Compared with 1998,cereal production in 2018 increased by 62.2 Mt under similar total water withdrawals(49.7 billion to 51.6 billion m3),and the annual soil erosion at the Tongguan Hydrological Observatory reduced by 584 million m3 in 2018,achieving great success in environmental protection and efficient water use.The Chinese government has set a goal for the Yellow River Basin to become the national leader in environmental protection and efficient water use by 2035.Such a high demand requires the combined efforts of the whole community,as well as the adoption of new technologies,coordinated basin-wide development,and adequate policy support.
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