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Bulletin of Chinese Academy of Sciences (Chinese Version)

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Suggestions For Layout Adjustment Of China's Agricultural Regions During Fifteenth Five-Year Plan Period, Yong Xu, Hua Yang, Jian Duan Apr 2024

Suggestions For Layout Adjustment Of China's Agricultural Regions During Fifteenth Five-Year Plan Period, Yong Xu, Hua Yang, Jian Duan

Bulletin of Chinese Academy of Sciences (Chinese Version)

Adjusting and optimizing the strategic paradigm of China’s agricultural regions in the new era is of great significance to the implementation of the “Greater Food” concept and the building of a strong agriculture. This study takes the layout adjustment of China’s agricultural regions during the Fifteenth Five-Year Plan period as its theme, and firstly summarizes the problems that exist in the main agricultural production regions and the layout changes in grain production bases. Then, in conjunction with the new requirements of the national strategies, the functional types of agricultural regions are refined, the different function positions are clarified, the adjusting …


Five Issues And Countermeasures Of China Cropland Resource Use, Sijing Ye, Changqing Song, Changxiu Cheng, Peichao Gao, Shi Shen, Wangshu Mu Dec 2023

Five Issues And Countermeasures Of China Cropland Resource Use, Sijing Ye, Changqing Song, Changxiu Cheng, Peichao Gao, Shi Shen, Wangshu Mu

Bulletin of Chinese Academy of Sciences (Chinese Version)

Understand the cropland use situation, analyze management countermeasures, and explore the regional suitable cropland use mode are important prerequisites for the implementation of the strictest protection of cultivated land strategy with Chinese characteristics. At present, the cropland resource utilization in China is facing the five issues of non-agricultural, non-grain, fragmentation, marginalization, and ecological degradation. This study estimates the spatial-temporal changes of these cropland use issues in China, analyzes the challenges of cropland use governance from the aspects of complex driving factors, phase characteristics, cognitive differences of responsible subjects, and dynamic changes of external factors. On this basis, the countermeasures of …


Opportunities And Challenges In Monitoring Cultivated Land Red Line In Big Data Era, Jinwei Dong, Yifeng Cui, Yuanyuan Di, Xuan Gao, Xi Chen, Linsheng Yang, Yumei Cai, Jia Ning, Jiyuan Liu Dec 2023

Opportunities And Challenges In Monitoring Cultivated Land Red Line In Big Data Era, Jinwei Dong, Yifeng Cui, Yuanyuan Di, Xuan Gao, Xi Chen, Linsheng Yang, Yumei Cai, Jia Ning, Jiyuan Liu

Bulletin of Chinese Academy of Sciences (Chinese Version)

The demographic reality of a large population and limited land resources in China necessitates the implementation of the world’s most stringent cultivated land protection system. Effective, timely, and accurate monitoring of the status of cultivated land protection red line is essential to ensuring cultivated land protection and food security. The development of cutting-edge technologies such as remote sensing big data, cloud computing, and artificial intelligence has provided new opportunities for cultivated land control and monitoring. This article systematically elaborates on the current research status and challenges in the field of cultivated land protection redline control and monitoring, including the establishment …


Strategic Thinking On China’S Food System Transition From Perspective Of Sustainable Development Goals, Xiaojie Liu, Siqi He, Weiqiang Chen, Dan Yan, Litao Liu, Gangqiang Ding, Zhongjie Zhang, Gang Liu Jan 2023

Strategic Thinking On China’S Food System Transition From Perspective Of Sustainable Development Goals, Xiaojie Liu, Siqi He, Weiqiang Chen, Dan Yan, Litao Liu, Gangqiang Ding, Zhongjie Zhang, Gang Liu

Bulletin of Chinese Academy of Sciences (Chinese Version)

Food system is the foundation of human society, thus the sustainable transition of food system is one of the key topics towards global sustainability. Facing the global climate crisis, regional conflict, and pandemic that unseen in a century, it becomes critical to build a sustainable food system in line with the Chinese context for ensuring its grain and food security, national nutrition and health, social justice, ecological balance, market effectiveness, and system resilience. To address these focuses, this study analyzed the main issues and challenges faced by China's current food system, and decoded the relationship between food system and sustainable …


Impact Of Major Emergencies On Food Security Risks, Cuihong Yang, Kang Lin, Xiang Gao Sep 2022

Impact Of Major Emergencies On Food Security Risks, Cuihong Yang, Kang Lin, Xiang Gao

Bulletin of Chinese Academy of Sciences (Chinese Version)

In recent years, the probability and frequency of international major emergencies are on the rise, which have threatened the global food security. The study decomposes the food supply chain into production section, consumption section, and circulation section; and then analyzes the risks of food security in each section when facing the major emergencies. In the production section, major emergencies restrict the inputs of labor and agricultural production materials, limiting food supply directly. In the consumption section, major emergencies usually increase the food price and decrease the resident income, and thus, decline the purchasing power of food and exacerbate the food …


Discussion On Approaches To Improving Soybean Supply Capacity In China, Feng Feng, Zhinan Zhang, Yongzhe Gu, Junpeng He, Zhixi Tian Sep 2022

Discussion On Approaches To Improving Soybean Supply Capacity In China, Feng Feng, Zhinan Zhang, Yongzhe Gu, Junpeng He, Zhixi Tian

Bulletin of Chinese Academy of Sciences (Chinese Version)

Soybean is one of the most important crops for food and oil. The soybean demand has been increased in recent years in China. Since China has limited soybean production capacity, it has been importing increasing amount of soybean from abroad. It is a critical topic for China to develop the soybean production and expand the import channels to ensure food security. Based on the soybean demand-supply situation from 2011 to 2020, this paper discussed the problems including severely insufficient domestic production and supply, high level of reliance on international supply, and limited import channels. It put forward suggestions on approaches …


Analysis On Development And Risks Of China’S Food Production During 14th Five-Year Plan Period, Cuihong Yang, Kang Lin, Xiang Gao, Xikang Chen, Shouyang Wang Aug 2022

Analysis On Development And Risks Of China’S Food Production During 14th Five-Year Plan Period, Cuihong Yang, Kang Lin, Xiang Gao, Xikang Chen, Shouyang Wang

Bulletin of Chinese Academy of Sciences (Chinese Version)

Food security is crucial to national security. Thus, it is an urgent task to figure out the potential risks that threaten China's food security during the 14th Five-Year Plan period and how to cope with those risks. This paper provides an outlook for the development of China's food production during the 14th Five-Year Plan period, and then points out the potential risks faced by food production. The paper demonstrates that China's food production will achieve a steady development during the 14th Five-Year Plan period, and the grain output will reach more than 690 Mt by the end of the 14th …


Give Full Play To Vital Role Of Scientific And Technological Innovation In Supporting Protection And Utilization Of Black Soil, Zhigang Wang Oct 2021

Give Full Play To Vital Role Of Scientific And Technological Innovation In Supporting Protection And Utilization Of Black Soil, Zhigang Wang

Bulletin of Chinese Academy of Sciences (Chinese Version)

Black soil is a very precious soil resource on Earth, as well as a great natural gift to China. Scientific and technological innovation is the ultimate choice for the methods and solution of the black soil protection and utilization. The Ministry of Science and Technology of the People's Republic of China, based on the in-depth learning of the series of important instructions given by General Secretary Xi Jinping on safeguarding national food security and enhancing scientific and technological innovation, explores the development path of relying on scientific and technological innovation for black soil protection and utilization, promotes the overall systematic …


Main Achievements, Challenges, And Recommendations Of Black Soil Conservation And Utilization In China, Xiaozeng Han, Wenxiu Zou, Fan Yang Oct 2021

Main Achievements, Challenges, And Recommendations Of Black Soil Conservation And Utilization In China, Xiaozeng Han, Wenxiu Zou, Fan Yang

Bulletin of Chinese Academy of Sciences (Chinese Version)

The conservation and utilization of black soil have achieved remarkable results under effective measures and active promotion taken by different departments in China. At present, the conservation and utilization of black soil have been upgraded to national strategy and incorporated into related planning and outline, major scientific advances have been achieved. The black soil conservation and utilization have also been listed into the important governmental schedules in Heilongjiang Province, Jilin Province, Liaoning Province, and Inner Mongolia Autonomous Region in Northeast China. The promotional mechanisms of black soil conservation and utilization have been established, approaches of black soil conservation and utilization …


Carry Forward The Huanghuaihai Spirit Of Agricultural Science And Technology, And Safeguard China’S Food Security, Yan Zeng, Hongsheng Wang, Yongsheng Han, Rui Duan, Ming Sun, Ya Wen Oct 2021

Carry Forward The Huanghuaihai Spirit Of Agricultural Science And Technology, And Safeguard China’S Food Security, Yan Zeng, Hongsheng Wang, Yongsheng Han, Rui Duan, Ming Sun, Ya Wen

Bulletin of Chinese Academy of Sciences (Chinese Version)

“Scientific achievements are inseparable from spiritual support. The academic spirit is the precious wealth accumulated by researchers and engineers in long-term academic career.” In the 1980s, Chinese Academy of Sciences (CAS) launched Huanghuaihai Innovation Campaign of agricultural science and technology for the reclamation of saline-alkali land. The Campaign successfully improve the overall production capacity in the North China Plain. The Huanghuaihai Spirit, emerged in this multidisciplinary and crossfield large-scale scientific and technological campaign, is not only the precious spiritual wealth of CAS, but also an important source of strength for achieving a substantial increase in grain production. In the new …


Science And Technology Innovation Supporting Sustainable Use Of Black Soil, Jianguo Hou Oct 2021

Science And Technology Innovation Supporting Sustainable Use Of Black Soil, Jianguo Hou

Bulletin of Chinese Academy of Sciences (Chinese Version)

The region of black soil in Northeast China is the "ballast stone" of national food security. However, the degradation of black soil leads to a decline of soil fertility and ecological service function, which threatens the national food security and regional ecological security. With advance design and scientific demonstration, the Chinese Academy of Sciences (CAS) together with provinces of Northeast China launched the "Science and Technology (Sci-Tech) Battle of Black Soil Granary" by gathering outstanding scientists, high technology and equipment. At present, the CAS is planning to initiate the Strategic Priority Research Program called "Black Soil Granary", establish the State …


Ensuring National Food Security By Strengthening High-Productivity Black Soil Granary In Northeast China, Baoguo Li, Zhong Liu, Feng Huang, Xiaoguang Yang, Zhijuan Liu, Wei Wan, Jiangkuan Wang, Yingde Xu, Zizhong Li, Tusheng Ren Oct 2021

Ensuring National Food Security By Strengthening High-Productivity Black Soil Granary In Northeast China, Baoguo Li, Zhong Liu, Feng Huang, Xiaoguang Yang, Zhijuan Liu, Wei Wan, Jiangkuan Wang, Yingde Xu, Zizhong Li, Tusheng Ren

Bulletin of Chinese Academy of Sciences (Chinese Version)

Food security is an important guarantee of national security. The northeast black soil region is an important commodity grain production base in China, which plays a fundamental role in ensuring national food security. However, the highly intensive, unreasonable or excessive use of cultivated land in this region has caused serious black soil degradation. Therefore, how to make the Black Soil Granary to provide efficient and sustainable guarantee for national food security is a scientific problem requiring urgent solutions. This paper systematically illuminates the agricultural development of high-productivity black soils since the reform and opening-up. On this basis, the paper systematically …


Overall Promotion Of Black Soil Protection And Rural Revitalization: Internal Logic, Main Routes And Policy Suggestions, Quansheng Ge, Jieyong Wang, Huiyi Zhu Oct 2021

Overall Promotion Of Black Soil Protection And Rural Revitalization: Internal Logic, Main Routes And Policy Suggestions, Quansheng Ge, Jieyong Wang, Huiyi Zhu

Bulletin of Chinese Academy of Sciences (Chinese Version)

Promoting black soil protection and sustainability is the essential and guarantee of rural revitalization in Northeast China, and rural vitalization is the fundamental way to realize the persistent protection of black soil. Only by coordinating and promoting the overall black soil protection and rural revitalization, can we find the solution to solve the contradiction between black soil protection and the rural economic development in Northeast China black soil region, hence to push in full gear the ecological construction and rural revitalization of the region. Meanwhile, the overall black soil protection should promote the rural revitalization and rural revitalization should facilitate …


Bear In Mind Ardent Entrustment, Protect Black Soil Granary, Jun Han Oct 2021

Bear In Mind Ardent Entrustment, Protect Black Soil Granary, Jun Han

Bulletin of Chinese Academy of Sciences (Chinese Version)

General Secretary Xi Jinping, during his visit to Jilin in July 2020, pointed out that the Lishu model shall be thoroughly reviewed and summarized for dissemination, and effective measures shall be taken to protect and utilize the black soil, as precious as the giant panda, so as to benefit the people forever. Since then, Jilin Provincial Committee of the Communist Party of China and Provincial Government have been bearing this entrustment with heart and putting people as the priority, when taking the great responsibilities of protecting the nation's food security and firmly pushing forward the implementation of the national black …


Thinking And Implementation Approach Of Science And Technology Strategy Of Well Raising Black Soil—Overall Idea And Implementation Planning Of Strategy Priority Research Program Of Chinese Academy Of Sciences On Black Soil Conservation And Utilization, Ming Jiang, Ya Wen, Ming Sun, Hongsheng Wang, Yan Zeng, Yongbin Han, Xiujun Li, Haitao Wu, Lujun Li, Shangqi Xu Oct 2021

Thinking And Implementation Approach Of Science And Technology Strategy Of Well Raising Black Soil—Overall Idea And Implementation Planning Of Strategy Priority Research Program Of Chinese Academy Of Sciences On Black Soil Conservation And Utilization, Ming Jiang, Ya Wen, Ming Sun, Hongsheng Wang, Yan Zeng, Yongbin Han, Xiujun Li, Haitao Wu, Lujun Li, Shangqi Xu

Bulletin of Chinese Academy of Sciences (Chinese Version)

The Science and Technology Innovation Project of Black Soil Conservation and Utilization (Black Soil Granary) is a Strategic Priority Research Program of Chinese Academy of Sciences (CAS), it is the core measure of the "Science and Technology (Sci-Tech) Campaign for Black Soil Granary" launched by CAS together with provinces and autonomous region of Northeast China, and also the core measures to implement General Secretary Xi Jinping's series guiding principle relating to well utilize and protect the black soil in Northeast China. Better utilization and protection of black soil is crucially important to the national food security, and the program of …


Black Soil Protection And Utilization Based On Harmonization Of Mountain-River-Forest-Farmland-Lake-Grassland-Sandy Land Ecosystems And Strategic Construction Of Ecological Barrier, Jiabao Zhang, Bo Sun, Jiaojun Zhu, Jingkuan Wang, Xicai Pan, Tian Gao Oct 2021

Black Soil Protection And Utilization Based On Harmonization Of Mountain-River-Forest-Farmland-Lake-Grassland-Sandy Land Ecosystems And Strategic Construction Of Ecological Barrier, Jiabao Zhang, Bo Sun, Jiaojun Zhu, Jingkuan Wang, Xicai Pan, Tian Gao

Bulletin of Chinese Academy of Sciences (Chinese Version)

The black soil in northeast China presents a trend of thinning, hardening, impoverishment, and acidification under the longterm high-intensity utilization, and faces the water resources shortage and ecological environment imbalance. Thus, the coordination between soil and water resources and environment has become the bottleneck of sustainable agricultural development in northeast China. The black soil protection and utilization is not only a problem of cultivated land system itself, but also a problem of harmonization of mountain-river-forest-farmland-lake-grassland-sandy land ecosystem. To achieve the goal of sustainable use of the black soil, it is necessary to give full play to the function of soil …


Agricultural Simulator: Using Intelligent Technology To Get Data Flow For Black Land Protection, Ninghui Sun, Yucheng Zhang, Hongsheng Wang, Zichen Liu, Haihua Chen, Guangming Tan Oct 2021

Agricultural Simulator: Using Intelligent Technology To Get Data Flow For Black Land Protection, Ninghui Sun, Yucheng Zhang, Hongsheng Wang, Zichen Liu, Haihua Chen, Guangming Tan

Bulletin of Chinese Academy of Sciences (Chinese Version)

Information technology is deeply penetrating into all walks of life. Through the acquisition of massive data, modeling and analysis in the information space, it has become an effective means to solve practical problems in the information society. At present, China is vigorously implementing black soil conservation projects. Aiming at the complex system protection engineering, it is necessary to rely on the strength of information technology to carry out problem modeling and algorithm solving in the process of black soil utilization and protection, and find the best protection way through simulation and emulation. Based on the analysis of the black land …


Research And Practice Of Conservation Tillage In Black Soil Region Of Northeast China, Man Ao, Xudong Zhang, Yixin Guan Oct 2021

Research And Practice Of Conservation Tillage In Black Soil Region Of Northeast China, Man Ao, Xudong Zhang, Yixin Guan

Bulletin of Chinese Academy of Sciences (Chinese Version)

Compared with soil degradation of black soil of other areas in the world, which caused by conventional tillage regarding as ploughed with residue return, soil degradation in Northeast China caused by rotary-till and residue remove or burning is more serious. Conservation tillage with residue cover and no or reduced tillage is one of the most important techniques for the protection and utilization of black soil. This paper briefly presents the derivation and definition of conservation tillage, and its main techniques in the world, as well as the issue of application and extension in China. Over the past 15 years, the …