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Agriculture in the Yellow River Delta

Agriculture in the Yellow River Delta

New Approach of High-quality Agricultural Development in the Yellow River Delta

OUYANG Zhu;WANG Hongsheng;LAI Jianbin;WANG Chunjing;LIU Zhen;SUN Zhigang;HOU Ruixing

Bulletin of Chinese Academy of Sciences,2020,Vol 35,No. 02

【Abstract】 The Yellow River Delta is a young delta, a new land, and a young ecosystem in the world. Its ecological environment is fragile, and the interaction among the river, the sea, and the land forms a unique geographical environment. The salinization of land and the wide distribution of saline-alkali land are two of the main features of the region, and agriculture is one of the leading industries in the region. Agricultural development is related to the efficient use and rational distribution of water resources, the protection of the estuary wetland and the ecological environment, and the efficient development and safety of land resources in this region. It is also about the overall development of land and sea, as well as the revitalization of the countryside. Therefore, the high-quality development of saline agriculture is an important part of sustainable development of the region, while the development of high-quality agriculture on saline-alkali land is an important challenge. Based on the major strategic needs of the country, the current situation, and major problems of the development of the Yellow River Delta, this study puts forward a new model of efficient agricultural development in the saline-alkali areas of the Yellow River Delta, as well as some suggestions for the future ecological protection and high-quality development of the region. This study is also of great significance for the efficient development of saline-alkali land in China.

How to Develop Grass-based Livestock Husbandry in Areas of Low- and Middle-yield Fields

GAO Shuqin ;WANG Hongsheng;DUAN Rui;JING Haichun;FANG Jingyun

Bulletin of Chinese Academy of Sciences,2020,Vol 35,No. 02

【Abstract】 With increasing awareness of balanced and healthy diet, the demand for ruminant products has been drastically increasing in China over the past decades. Grass-based Livestock Husbandry (GLiH), a new paradigm for agricultural restructuring and sustainable development, is highly encouraged to meet such demand. Yet, the country’s own production cannot support the demand, as envisaged by the soaring import of both red meat and forage products, albeit half of the nation’s cereal production is devoted to animal feed and forage crop production area amounts to 12 million hectares. With the abundant population and limited arable land, China is facing challenge to explore possible land areas for GLiH development. We argue that one of the effective ways is to transform the low- and middle-yield fields, which account for over 70% of the cultivated lands, for forage crop production. Our analysis indicated that cultivation of forage crops could avoid the risks of low yield and low economic returns frequently occurring for cereal production on such lands. Furthermore, a forage–cereal rotation cropping system can significantly increase dry mass production, reduce the incidence of pest and disease damage, and ameliorate soil physical and chemical properties by improving soil organic matter and soil fertility and reducing salt and alkali constraints. Three scenarios have been projected for the potential of the exploitation of low- and middle-yield land for livestock production, and the amount of the red meat production is estimated to be 17.98, 21.58, and 26.98 million tons, respectively, which are 1.6, 1.9, and 2.4 times of the current production nationwide. A case study for Shandong Province is further presented, demonstrating that exploring the saline-alkali land at the Yellow River Delta for forage crop production could substantially alleviate the shortage of forage supplies and optimize the agricultural infrastructure of the province.

Study on Green Development Model and Approach of Blue Agriculture in the Yellow River Delta

YANG Hongsheng;XING Lili;ZHANG Libin

Bulletin of Chinese Academy of Sciences,2020,Vol 35,No. 02

【Abstract】 The Yellow River Delta is located on the west coast of the Bohai Sea. It is one of the regions with active interaction between land and ocean and one of the three major estuary deltas in China. This region has the most complete, the most extensive, the youngest wetland ecosystem and abundant biological resources in China’s warm temperate zone. It plays an important role in the regulation of climate, mitigation of exogenous pollution, and restoration of amphibious ecological ecotone. In recent years, with the rapid development of the Yellow River Delta region, problems such as the continuous reduction of inflow water and sediment, the serious shrinkage of wetland areas, and the invasion of Spartina alterniflora Loisel, have become increasingly severe. On the basis of summarizing and analyzing the development status of this region, we proposed four development concepts: ecological protection priority, adaptation to local water conditions, deep integration of multiple elements, and reasonable spatial layout. We then suggested four development models: ecological farm and ranch, integrated development of fishery and tourism, integrated development of fishery and energy industry, and linkage of three kinds of industrial models, with a view to achieving green development of blue agriculture in the Yellow River Delta.

Scientific and Technological Innovation Leads High-quality Development of Agriculture in the Yellow River Delta

BAI Chunli

Bulletin of Chinese Academy of Sciences,2020,Vol 35,No. 02

【Abstract】 The Yellow River is the main birthplace of Chinese civilization and the mother river of the Chinese nation. On September 18, 2019, President Xi Jinping presided over a symposium on ecological protection and high-quality development of the Yellow River Basin in Zhengzhou and delivered an important speech, elaborating a major strategic deployment to strengthen ecological protection and promote high-quality development. The lower-reaches of the Yellow River Basin have sound conditions for agricultural development, but the high-quality agricultural development in the Yellow River Delta still faces many challenges. Chinese Academy of Sciences (CAS) has a solid research foundation in the Yellow River Delta. It has proactively deployed research bases and started numbers of research projects which have achieved significant research results. Based on long-term research, and around the strategic goals of ecological protection and high-quality development of the Yellow River Delta, a method for further transforming development thinking was put forward through effective combination of ecological principles and high-tech, adaptive, efficient, and refined development of saline-alkali land, and modern industrial development, to explore a new pattern of efficient, high-quality, and high-value development of saline-alkali land agriculture in the Yellow River Delta. By exploring new mechanisms for agricultural scientific and technological innovation and activating scientific and technological innovation capabilities and service capabilities, we will develop a batch of key technologies for high-quality agricultural development in the Yellow River Delta, therefore proposing a “CAS’s Solution” and establishing a “CAS’s Model.”

Build Innovation System of Third Generation of Agricultural Machinery in China

SUN Ninghui;ZHANG Yucheng;SHI Jinglin

Bulletin of Chinese Academy of Sciences,2020,Vol 35,No. 02

【Abstract】 Agricultural mechanization and intelligent agricultural machinery equipment are important basis for improving agricultural production efficiency and rural productivity and changing the mode of agricultural development. In the past 70 years, China’s agricultural machinery industry has made remarkable achievements. It has become the largest agricultural machinery country in the world, despite the backwardness before 1949. Nevertheless, there is still a huge technical gap between China and established powers in the field of agricultural machinery. “Big but not strong” has become the main feature at this stage. To realize the breakthrough “from big to strong” in agricultural machinery industry, the fundamental path is to establish an agricultural machinery innovation system suitable for China’s agricultural production operation mode. This study takes tractor as a typical representative of agricultural machinery industry and reviews the development process of agricultural machinery industry system in China. Then we divide the agricultural machinery industry system of China into different generations according to the technological development and the reform of land system. The aim and content of the new generation (third generation) agricultural machinery innovation system are described emphatically. We also discuss the application of new technology innovation system in the Yellow River Delta and introduce how to build the application system of the third-generation agricultural machinery. Finally, some suggestions are given for the construction of the independent and controllable third generation agricultural machinery innovation system of China.

Promoting High-quality Development of Agricultural High-tech Industry Demonstration Area of the Yellow River Delta

Working Committee of Agricultural High-tech Industry Demonstration Area of the Yellow River Delta of Shandong Province

Bulletin of Chinese Academy of Sciences,2020,Vol 35,No. 02

【Abstract】 The national strategy for ecological protection and high-quality development in the Yellow River Basin has pointed out the development direction for the Agricultural High-Tech Industry Demonstration Area of the Yellow River Delta (hereinafter referred to as YRDHDA). The YRDHDA should accurately grasp the strategic significance and role of saline-alkali modern agriculture in the Yellow River Basin, continuously improve and upgrade the top-level design, explore the novel modern agricultural development model of saline-alkali land, and establish a model for rural revitalization by building an innovation platform in which high-end resources will be gathered and new kinetic energy for high-quality development will be cultivated. The development is driven by building a modern industrial system and a high-quality development and growth pole. A market-oriented technological innovation mechanism and an industrial development demand-oriented achievement transformation mechanism are to be established, thus creating a leading demonstration zone for the high-quality development of saline-alkali agriculture in the Yellow River Basin.

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