查看更多>>摘要：The rapid increase in the proportion of cash crops and livestock production in the Yangtze River Basin has led to commensurate increases in fertilizer and pesticide inputs.Excessive application of chemical fertilizer,organophosphorus pesticides and inappropriate disposal of agricultural waste induced water pollution and potentially threaten Agriculture Green Development(AGD).To ensure food security and the food supply capacity of the Yangtze River Basin,it is important to balance green and development,while ensuring the quality of water bodies.Multiple pollutants affect the transfer,adsorption,photolysis and degradation of each other throughout the soil-plant-water system.This paper considers the impact of multi-pollutants on the nitrogen and phosphorus cycles especially for crops,which are related to achieving food security and AGD.It presents prospective on theory,modeling and multi-pollutant control in the Yangtze River Basin for AGD that are of potential value for other developing regions.
查看更多>>摘要：Although China has achieved great advancements toward national food security,the country is still confronted with a range of challenges,including natural resource stress,imbalanced diets and environmental pollution.Optimized management of crop-livestock systems is the key measure to realize agricultural green transformation.However,optimized management of crop-livestock systems that use multi-objective zoning is lacking.This study employed a multi-objective zoning management approach to comprehensively analyze four indicators:ammonia volatilization,nitrogen surplus,soil carrying capacity and ecological red line area.With its significant ecological integrity and a strong emphasis on sustainability,the Baiyangdian Basin serves as a unique and suitable test case for conducting analyses on multi-objective nutrient optimization management,with the aim to facilitate the agricultural green transformation.This study finds that less than 8％of the area in the Baiyangdian Basin meet the acceptable environmental indicator standard,whereas around 50％of the area that had both nitrogen surplus and ammonia volatilization exceeded the threshold.Implementation of unified management,that is,the same management technique across the study areas,could result in an increase of areas meeting environmental indicator thresholds to 21.1％.This project developed a novel multi-indicator partition optimization method,in which distinct measures are tailored for different areas to satisfy multiple environmental indicators.Implementation of this method,could potentially bring more than 50％area below the threshold,and areas with ammonia emissions and nitrogen surplus could be reduced to 15.8％.The multi-indicators partition optimization method represents a more advanced and efficiency-oriented management approach when compared to unified management.This approach could be regarded as the best available option to help China achieve agricultural transformation to improve efficient production and reduce environmental pollution.It is recommended that current policies aimed at nutrient management toward sustainable agricultural development should shift toward the application of multi-indicators partition optimization.
Samuel J.CUSWORTHWilliam J.DAVIESMartin R.MCAINSHCarly J.STEVENS...
155-168页
查看更多>>摘要：Plastic pollution is global concern,affecting most aspects of global food production systems.Plasticulture,a practice used in agriculture to improve crop quality and quantity,among other factors,is a significant source of plastic pollution.This review examines the extent of plasticulture in China,the implications of the practice across decades of use and the legislative instruments used to resolve those issues.It briefly assesses the effectiveness of these policies and proposes possible future innovations to promote increases in long-term food and eco-security,where sustainable plasticulture is a key agent for change.While plasticulture has increased agricultural productivity in growth-limiting conditions,plastic pollution in agricultural soils has become acute in China.Consequently,plastic pollution is having deleterious effects on soil health and in turn,crop productivity in China.Plastic pollution in agriculture is a multifaceted issue and so proposed solutions should be informed by this complexity.Current measures do not reflect a holistic approach to solving this socioecological challenge and adopt a top-down approach,with little or no supportive mechanisms.Future recommendations need to consider the particular set of conditions that influence the production,use and end-of-life management of agriplastics,specific to the environmental,economic and social conditions in each location.
查看更多>>摘要：In Asia,the rice crop sustains millions of people.However,growing demand for this crop needs to be met while simultaneously reducing its water consumption to cope with the effects of climate change.Lowland cropping systems are the most common and productive but have particularly high water requirements.High-yielding rice genotypes adapted to drier environments(such as rainfed or aerobic rice ecosystems)are needed to increase the water use efficiency of cropping.Identifying these genotypes requires fast and more accurate selection methods.It is hypothesized that applying a new quantitative selection method(the score index selection method),can usefully compare rice yield responses over different years and stress intensities to select genotypes more rapidly and efficiently.Applying the score index to previously published rice yield data for 39 genotypes grown in no-stress and two stress environments,identified three genotypes(ARB 8,IR55419-04 and ARB 7)with higher and stable yield under moderate to severe stress conditions.These genotypes are postulated to be better adapted to stress environment such as upland and aerobic environments.Importantly,the score index selection method offers improved precision than the conventional breeding selection method in identifying genotypes that are well-suited to a range of stress levels within the target environment.
查看更多>>摘要：This review addresses the growing disparity between the current state of fertilizer production in China and the evolving demands of green agriculture in the 21st century.It explores major advances in fertilizers,proposes the concept of green intelligent fertilizers and develops new strategies aligned with the principles of green development in fertilizer industry and agriculture.Green intelligent fertilizers may be designed to maximize the synergistic effects among plants,soils,microorganisms,nutrient sources and the environment.This concept emphasizes the integration of industry and agriculture toward green development for entire industry chain,using an interdisciplinary approach to drive the green transformation of fertilizer industry,and promote green and sustainable development of agriculture.By bridging the gap between the current state of fertilizer industry and a growing need for environmentally responsible agricultural practices,this review highlights a path toward harmonizing fertilizer production with the imperatives of green agriculture.
查看更多>>摘要：A recent UN Sustainable Development Goals(SDGs)analysis indicated a significant regression in the global SDG goal scores,particularly in SDG 2—Zero Hunger.The emissions of environmental pollution caused by meeting food demands have prompted some countries to intensify their climate change mitigation efforts.These circumstances have introduced significant uncertainty to the future global sustainable food development.Additionally,a notable global challenge is the persistence of hidden hunger,primarily characterized by the insufficient consumption of high-quality animal protein.Addressing this issue would necessitate increased environmental costs to attain high-quality food security.The future food system presents a significant challenge in coordinating food security,food quality and environmental quality.This article presents a comprehensive review and proposes a three-step strategy for future agricultural development based on food security,quality,and environmental aspects.This is a novel food system transfer strategy,as it concurrently addresses both global food security and environmental thresholds.It involves the construction of an efficient food system that operates within the constraints of environmental limits.The objective is to align with global SDG indicators and to maintain natural resource consumption and pollutant emissions within planetary boundaries.
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