期刊文献+
共找到9,803篇文章
< 1 2 250 >
每页显示 20 50 100
Risk preferences and the low-carbon agricultural technology adoption:Evidence from rice production in China
1
作者 MAO Hui QUAN Yu-rong FU Yong 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2023年第8期2577-2590,共14页
Climate change which is mainly caused by carbon emissions is a global problem affecting the economic development and well-being of human society.Low-carbon agriculture is of particular significance in slowing down glo... Climate change which is mainly caused by carbon emissions is a global problem affecting the economic development and well-being of human society.Low-carbon agriculture is of particular significance in slowing down global warming and reaching the goal of“carbon peak and carbon neutrality”.Therefore,taking straw incorporation as an example,this paper aims to investigate the impact of risk preferences on farmers’low-carbon agricultural technology(LCAT)adoption.Based on a two-phase micro-survey data of 1038 rice farmers in Jiangsu,Jiangxi,and Hunan provinces,this paper uses experimental economics methods to measure farmers’risk aversion and loss aversion to obtain the real risk preferences information of the farmers.We also explore the data to examine the actual LCAT adoption behavior of farmers.The results revealed that both risk aversion and loss aversion significantly inhibit farmers’LCAT adoption:more risk-averse or more loss-averse farmers are less likely to adopt LCAT.It is further found that crop insurance,farm scale and governmental regulations can alleviate the negative impact of risk aversion and loss aversion on farmers’LCAT adoption.Therefore,we propose that local governments need to promote low-carbon agricultural development by propagating the benefits of LCAT,extending crop insurance,promoting appropriate scale operations,and strengthening governmental regulations to promote farmers’LCAT adoption. 展开更多
关键词 risk preferences crop insurance farm scale governmental regulations low-carbon agricultural technology
下载PDF
Practice and Thinking of Agricultural Science and Technology Experts Serving the Grassroots to Promote Rural Revitalization
2
作者 Lixian CUI Jinli LIU 《Asian Agricultural Research》 2024年第1期44-46,共3页
Provincial agricultural research institutes are local agricultural research institutions.They are familiar with local agricultural and ru-ral conditions,and have advantages in scientific and technological achievements... Provincial agricultural research institutes are local agricultural research institutions.They are familiar with local agricultural and ru-ral conditions,and have advantages in scientific and technological achievements,technical reserves and the construction of scientific and tech-nological talent support systems.In the process of promoting the implementation of the rural revitalization strategy,all the responsibilities and obligations of the agricultural research institute are to identify the focus of scientific and technological support and talent support in rural revital-ization,and break the bottleneck and constraints of rural revitalization.By sorting out the current situation of agricultural science and technolo-gy experts serving the grassroots in the problem of talent support for rural revitalization,this paper analyzed the existing problems and put for-ward countermeasures and recommendations. 展开更多
关键词 agricultural science and technology experts Serving the grassroots Rural revitalization
下载PDF
Research of Blockchain Technology in the Traceability of Characteristic Agricultural Products
3
作者 Qian Zhang 《Journal of Electronic Research and Application》 2024年第3期60-65,共6页
With the increasingly prominent problem of food safety,the quality traceability of characteristic agricultural products has become a pressing issue.This study focuses on the application of blockchain technology in the... With the increasingly prominent problem of food safety,the quality traceability of characteristic agricultural products has become a pressing issue.This study focuses on the application of blockchain technology in the traceability of characteristic agricultural products,aiming to explore its potential and practical value in improving the efficiency and transparency of the traceability system of agricultural products.Through the combination of case analysis and model construction,a blockchain-based traceability system for characteristic agricultural products was established.The results showed that the traceability system could effectively record the whole process information of agricultural products from production and processing to sales,and greatly improve the immutability and traceability of data.Lastly,this paper also points out that the use of blockchain technology can improve the market trust in characteristic agricultural products,provide consumers with authentic and reliable product information,and provide new technical means for the quality management of agricultural products. 展开更多
关键词 Blockchain technology Characteristic agricultural products Traceability system Data immutability Market trust
下载PDF
Construction and Application Exploration of Smart Agriculture Based on Big Data Technology
4
作者 Zhongling Li Hairui Wang 《Journal of Electronic Research and Application》 2024年第3期72-77,共6页
Big data finds extensive application and many fields.It brings new opportunities for the development of agriculture.Using big data technology to promote the development of smart agriculture can greatly improve the eff... Big data finds extensive application and many fields.It brings new opportunities for the development of agriculture.Using big data technology to promote the development of smart agriculture can greatly improve the effect of agricultural planting,reduce the input of manpower and material resources,and lay a solid foundation for the realization of agricultural modernization.In this regard,this paper briefly analyzes the construction and application of smart agriculture based on big data technology,hoping to provide some valuable insights for readers. 展开更多
关键词 Big data technology Smart agriculture CONSTRUCTION Apply
下载PDF
Practice and Reflection on the Science and Technology Propaganda Work of Agricultural Research Institutes in the New Era : A Case Study of Changli Pomology Institute, Hebei Academy of Agricultural and Forestry Sciences
5
作者 Lixian CUI Jinli LIU +1 位作者 Qingming ZENG Zheng CHEN 《Asian Agricultural Research》 2023年第9期22-24,共3页
Taking Changli Fruit Tree Research Institute of Hebei Academy of Agricultural and Forestry Sciences as an example,starting from the importance of strengthening scientific and technological propaganda work in agricultu... Taking Changli Fruit Tree Research Institute of Hebei Academy of Agricultural and Forestry Sciences as an example,starting from the importance of strengthening scientific and technological propaganda work in agricultural research institutes,the current situation of scientific and technological propaganda work in agricultural research institutes is analyzed in this paper.In response to the problems of lack of targeted evaluation mechanism,lack of distinctive publicity forms,and weak news sensitivity of science and technology propaganda workers in agricultural research institutions,strategies such as establishing a scientific and standardized evaluation system,improving incentive policies,deeply exploring propaganda content,leveraging the joint advantages of new and traditional media,and cultivating and training science and technology propaganda teams are proposed. 展开更多
关键词 agricultural research institutes REINFORCEMENT Science and technology propaganda Changli Pomology Institute
下载PDF
The Relationship between Low-carbon Agriculture and Agricultural Science and Technology Based on Gray Relational Theory 被引量:3
6
作者 TAO Ai-xiang 《Asian Agricultural Research》 2012年第9期5-7,共3页
The agricultural energy consumption per unit of GDP is selected as an indicator for measuring the development level of low-carbon agriculture. Using gray relational theory, I analyze the relationship between developme... The agricultural energy consumption per unit of GDP is selected as an indicator for measuring the development level of low-carbon agriculture. Using gray relational theory, I analyze the relationship between development level of agricultural science and technology and development level of low-carbon agriculture in China. The results show that the correlation between the two is prominent; the number of agricultural science and technology talents, the number of agricultural science and technology patents, and the number of agricultural science and technology input are three major factors influencing the development of low-carbon agriculture. On this basis, I propose to take further effective measures, and put forth corresponding recommendations, in order to improve the level of agricultural science and technology. 展开更多
关键词 low-carbon agriculturE agricultural SCIENCE and TE
下载PDF
Prospects for green steelmaking technology with low carbon emissions in China
7
作者 Zhang Fucheng Hong Lukuo Xu Ying 《Carbon Energy》 SCIE EI CAS CSCD 2024年第2期1-24,共24页
The steel industry is a major source of CO_(2) emissions,and thus,the mitigation of carbon emissions is the most pressing challenge in this sector.In this paper,international environmental governance in the steel indu... The steel industry is a major source of CO_(2) emissions,and thus,the mitigation of carbon emissions is the most pressing challenge in this sector.In this paper,international environmental governance in the steel industry is reviewed,and the current state of development of low-carbon technologies is discussed.Additionally,low-carbon pathways for the steel industry at the current time are proposed,emphasizing prevention and treatment strategies.Furthermore,the prospects of low-carbon technologies are explored from the perspective of transitioning the energy structure to a“carbon-electricity-hydrogen”relationship.Overall,steel enterprises should adopt hydrogen-rich metallurgical technologies that are compatible with current needs and process flows in the short term,based on the carbon substitution with hydrogen(prevention)and the CCU(CO_(2) capture and utilization)concepts(treatment).Additionally,the capture and utilization of CO_(2) for steelmaking,which can assist in achieving short-term emission reduction targets but is not a long-term solution,is discussed.In conclusion,in the long term,the carbon metallurgical process should be gradually supplanted by a hydrogen-electric synergistic approach,thus transforming the energy structure of existing steelmaking processes and attaining near-zero carbon emission steelmaking technology. 展开更多
关键词 carbon capture and utilization carbon emission hydrogen metallurgy low-carbon technology steel industry
下载PDF
《Agricultural Science & Technology》综合影响力分析
8
作者 陈娟 张志转 +2 位作者 李杨 朱安 朱永和 《安徽农业科学》 CAS 北大核心 2010年第28期F0002-F0002,F0003,共2页
从引证指标、网络传播情况以及作者构成等方面阐述《Agricultural Science & Technology》改革后的综合影响力。
关键词 agricultural SCIENCE & technology 引证指标 网络传播 作者构成
下载PDF
Socio-economic and energy-environmental impacts of technological change on China's agricultural development under the carbon neutrality strategy 被引量:1
9
作者 Hong-Dian Jiang Rui Yu Xiang-Yan Qian 《Petroleum Science》 SCIE EI CAS CSCD 2023年第2期1289-1299,共11页
Promoting agricultural modernisation through technological change is an important strategy for China.China's carbon neutrality strategy is leading to systemic socio-economic changes that could exacerbate the uncer... Promoting agricultural modernisation through technological change is an important strategy for China.China's carbon neutrality strategy is leading to systemic socio-economic changes that could exacerbate the uncertainty of agricultural development.Therefore,applying a computable general equilibrium(CGE)model,this study characterises the agricultural sector in detail,introducing endogenous technological change proxied by research and development(R&D)to assess the impact of different technological change scenarios on agricultural development under the carbon neutrality target.The results show that allocating carbon revenue for R&D inputs can mitigate the significant negative impact of achieving carbon neutrality on knowledge capital and production in agricultural sectors.Overall,using carbon revenue only for R&D input in crop sectors has the optimal effect on increasing the agricultural sectors'knowledge capital,improving crop production and profit,reducing crop external dependence and promoting the synergistic reduction of carbon and pollutant emissions.However,this scenario has the largest negative impact on macro-economics and household welfare.In contrast,allocating carbon revenue to promote technological change in broader non-energy sectors or both crops and non-energy sectors can effectively mitigate negative socio-economic impacts,but the positive impact on agricultural development is minimal.These findings provide practical insights for the rational use of carbon revenue to expand agricultural R&D investment and ensure balanced agricultural and economic development under the carbon neutrality target. 展开更多
关键词 Endogenous technological change R&D investment agriculture development Computable general equilibrium
下载PDF
Guarantee Strategy for the Safety of Agricultural Industry in Hunan Province
10
作者 Wenxing XIAO Shuhan GUO 《Asian Agricultural Research》 2024年第1期14-16,21,共4页
The safety of agricultural industry in Hunan Province shows an upward trend from"basically safe"to"very safe",but the state in the"safe"or"very safe"range is still unstable.In v... The safety of agricultural industry in Hunan Province shows an upward trend from"basically safe"to"very safe",but the state in the"safe"or"very safe"range is still unstable.In view of this,Hunan Province should guarantee the agricultural production ability,cultivate and enhance the core competitiveness of agriculture,firmly grasp the agricultural control power,attach importance to the export quality of agri-cultural products and other aspects to ensure the safety of agricultural industry. 展开更多
关键词 Safety of agricultural industry Comprehensive support and guarantee Developing agriculture through science and technology
下载PDF
The Study of Mutual Benefits and Potential in China-Mongolia Agricultural Trade
11
作者 Siriguleng Bao 《Proceedings of Business and Economic Studies》 2024年第3期200-205,共6页
This article aims to explore the mutual benefits and potential of agricultural trade between China and Mongolia,analyzing the current situation of agricultural resources,trade history,and policy environment of the two... This article aims to explore the mutual benefits and potential of agricultural trade between China and Mongolia,analyzing the current situation of agricultural resources,trade history,and policy environment of the two countries.The study finds that China-Mongolia agricultural trade shows significant economic complementarity.Trade activities not only promote economic growth in both countries but also deepen social and cultural exchanges.However,technical standards,political risks,and logistics costs remain major challenges facing trade cooperation.By strengthening policy coordination,investing in agricultural technology and infrastructure,and expanding the variety and markets of trade,the potential for cooperation in China-Mongolia agricultural trade can be further enhanced.These measures will help improve the efficiency and benefits of bilateral trade,achieving a win-win development. 展开更多
关键词 agricultural trade MUTUALITY POTENTIAL agricultural technology
下载PDF
Impacts of Agroecological Technologies Adoption on Agricultural Yield and Income for Millet and Cowpea Producers from Maradi and Zinder Regions in Niger
12
作者 Rabé M. Moctar Issaka R. Salissou +1 位作者 Maman Chedi Baoua Ibrahim 《Agricultural Sciences》 2023年第12期1643-1652,共10页
This article assesses the impacts of agroecological technologies adoption on the agricultural yields and incomes for millet and cowpea producers in Niger from both Maradi and Zinder regions. For this purpose, a set of... This article assesses the impacts of agroecological technologies adoption on the agricultural yields and incomes for millet and cowpea producers in Niger from both Maradi and Zinder regions. For this purpose, a set of descriptive statistics methods are applied to data collected from 1950 producers from 80 villages. Results indicate that the density of semi, HPK variety, compost and IT 90 variety are the most adopted agroecological technologies with respective adoption rates of 87%, 69%, 64.3% and 64%. Moreover, results show that millet producers that adopted agro-ecological technologies have on average multiplied by 2.00 and 2.96 times their production, in Zinder and Maradi regions respectively. Besides, findings reveal that cowpea producers that adopted agro-ecological technologies have on average multiplied by 2.00 and 3.21 times their production, in Zinder and Maradi regions respectively. Finally, results support that the improvement in millet and cowpea yields has led to increase in producers’ total income by 2 and 3 times respectively in Zinder and Maradi regions. Since agroecological technologies improve agricultural yields and income, we suggest policy makers to recommend their adoption and diffusion. 展开更多
关键词 Agroecological technologies agricultural Yields agricultural Income NIGER
下载PDF
Does Internet use promote the adoption of agricultural technology?Evidence from 1449 farm households in 14 Chinese provinces 被引量:12
13
作者 ZHENG Yang-yang ZHU Tie-hui JIA Wei 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2022年第1期282-292,共11页
China is characterized as ’a large country with many smallholder farmers’ whose participation in modern agriculture is key to the country’s modern agriculture development. Promoting smallholder farmers’ adoption o... China is characterized as ’a large country with many smallholder farmers’ whose participation in modern agriculture is key to the country’s modern agriculture development. Promoting smallholder farmers’ adoption of modern agricultural production technology is one effective way to improve the capabilities of smallholder farmers. This paper aims to explore the impact of Internet use on the adoption of agricultural production technology by smallholder farmers based on a survey of 1 449 smallholders across 14 provinces in China. The results suggest that Internet use can significantly promote technology adoption, with the probability of adopting new crop varieties, water-saving irrigation technology and straw-returning technology increasing by 0.200, 0.157 and 0.155, respectively. Furthermore, the effect of Internet use is found to be heterogeneous with a greater effect on smallholder farmers having low education levels, limited training, and high incomes. To increase agricultural production technology adoption by smallholders, rural Internet infrastructure and Internet use promotion should be the focus for the Chinese government. 展开更多
关键词 Internet use smallholder farmers agricultural technology adoption
下载PDF
Technological Innovation Characteristics and Capacity Enhancement Ways for the Agricultural Science and Technology Enterprises in Beijing City 被引量:4
14
作者 Ping LI Ruimei WANG Xun ZHENG 《Asian Agricultural Research》 2016年第4期37-41,共5页
From the perspective of innovation mechanism,capital,personnel,achievements and conversion,this study analyzes the current situation of technological innovation in Beijing agricultural science and technology enterpris... From the perspective of innovation mechanism,capital,personnel,achievements and conversion,this study analyzes the current situation of technological innovation in Beijing agricultural science and technology enterprises,and summarizes the characteristics including single financing channel of R&D funds,low conversion rate of innovative products,unbalanced distribution of technology and innovative talents,the underestimated position of enterprises as the main body of technological innovation,the large gap of innovation achievements between developed provinces and Beijing.At last,this study puts forward the ways to improve technological innovation ability in Beijing agricultural science and technology enterprises as follows:developing technological innovation strategies;improving the R&D expenditure and expanding the financing channels;perfecting the mechanism of professional personnel training in agricultural technology innovation;enhancing the level of innovation performance management;establishing and improving the corporate culture of innovation and cultivating technology innovation spirit. 展开更多
关键词 agricultural science and technology ENTERPRISES technologICAL innovation Current SITUATION CHARACTERISTICS WAYS
下载PDF
Effectiveness of sloping agricultural land technology on soil fertility status of mid-hills in Nepal 被引量:3
15
作者 Kiran Lamichhane 《Journal of Forestry Research》 SCIE CAS CSCD 2013年第4期767-775,共9页
Hedgerows with intercropping systems were established at the ICIMOD test and demonstration site at Godawari to assess the effective- ness of Sloping Agricultural Land Technology (SALT) in reducing run- off water vol... Hedgerows with intercropping systems were established at the ICIMOD test and demonstration site at Godawari to assess the effective- ness of Sloping Agricultural Land Technology (SALT) in reducing run- off water volume, controlling soil loss, increasing crop production, and improving soil fertility in the mid-hills of Nepal. Runoff water volume (1996-2002), soil loss (1996-2002) and maize yield (1995-2001), and soil fertility-related parameters were assessed on SALT models with three factors: the type of nitrogen-fixing plant, the farmers' practice, and fertilizer use. Results showed a significant effect of Alnus nepalensis and/or Indigofera dosua on runoff water volume, soil loss, crop produc- tion, soil water retention, and soil nutrients (NPK). Farmers' practice and fertilization did not play a significant role in reducing runoff water and soil loss. However, farmers' practice significantly increased crop produc- tion. Therefore, integrating soil conservation approaches on SALT sys- tems enhances stable economic output to hills and mountain farmers. 展开更多
关键词 Sloping agricultural Land technology HEDGEROWS AGROFORESTRY mountain fanning system soil erosion soil nutrient
下载PDF
Problems and Solutions of Chinese Agricultural Science and Technology Service System
16
作者 张豆豆 刘鹏凌 《Agricultural Science & Technology》 CAS 2012年第7期1619-1620,F0003,共3页
Abstract Problems in agricultural science and technology service system were ana- lyzed, such as system problem, investment and worker quality, and based on this countermeasures were proposed, so as to promote the dev... Abstract Problems in agricultural science and technology service system were ana- lyzed, such as system problem, investment and worker quality, and based on this countermeasures were proposed, so as to promote the development of modern agri- culture and construction of new countryside. 展开更多
关键词 KEY WORDS agricultural SCIENCE SCIENCE and technologICAL service system Promo- tion of agricultural technologIES
下载PDF
Approach Choice and Innovative Model Design of Grass-root Agricultural Technology Promotion under the View of New Countryside 被引量:4
17
作者 WEI Jian-bo DAI Yu-bin +2 位作者 LIN Wei-qiang YAN Hui-chao SUN Xiong-song 《Asian Agricultural Research》 2011年第7期103-108,共6页
This paper introduces the approach types of agricultural technology promotion we can choose in the process of new countryside construction, and there are mainly 6 types, namely government-domination-oriented approach,... This paper introduces the approach types of agricultural technology promotion we can choose in the process of new countryside construction, and there are mainly 6 types, namely government-domination-oriented approach, market-development-oriented approach, university (scientific research institution)-education-oriented approach, farmers' participation-oriented approach, direct-training-oriented approach and individual-service-oriented approach, including 20 models. The problems existing in the grass-root agricultural technology promotion in the process of new village construction are analyzed as follows: the awareness of innovation is not strong; scientific research, education, and promotion are disjointed; the construction of specific work system lags behind; the structure of promotion team is irrational, and the quality of promotion personnel is yet to be promoted; the cultural quality of farmers is low, and the cooperative organizations are not sound; the working conditions are poor, and the basic security is inadequate; the investment channel is simple and the supply amount is badly short; the methods of agricultural technology promotion do not adapt to the requirements of new situation. According to the characteristics and internal requirements of grass-root agricultural technology promotion, we creatively design an overall working model, and put forward new measures from objective of grass-root agricultural technology promotion, service object, service content, organization work and scope, method, role of agricultural technology personnel and so on. 展开更多
关键词 agricultural technology PROMOTION APPROACH Interna
下载PDF
Comparison of the Three Cooperative Types of Agricultural Technology Popularization Based on the Industrialization of Tomato Industry in Xinjiang Autonomous Region 被引量:2
18
作者 HE Zhen 《Asian Agricultural Research》 2011年第1期11-13,67,共4页
In the process of industrialization of tomato industry in Xinjiang, the cooperative models of rural households and tomato processing enterprises are order type, mediated type and workshop type. The contents, closeness... In the process of industrialization of tomato industry in Xinjiang, the cooperative models of rural households and tomato processing enterprises are order type, mediated type and workshop type. The contents, closeness degree and stability of cooperation of them are different. Under different cooperation models, the closeness degree of pillar industry and rural households differs, as well as the speed and effect of the technology promotion. By comparing the situation of technology promotion under the three cooperative models, the results can be obtained. The workshop type can reduce the risks of adopting new technologies of farmers greatly; strengthen the internal motivation of farmers to adopt new technology, so it can attract more farmers. Therefore, the workshop type represents the developmental direction of industrialization of tomato industry in Xinjiang to a certain extent. 展开更多
关键词 INDUSTRIALIZATION agricultural technology PROMOTION Cooperative model China
下载PDF
A Study of Agricultural Technology Extension and Synchronous Development of Agricultural Modernization,Urbanization and Industrialization in China 被引量:1
19
作者 Bibo HU 《Asian Agricultural Research》 2016年第2期5-9,14,共6页
Through the study of relationship between agricultural technology extension and the development of agricultural modernization,urbanization and industrialization,it is found that agricultural technology extension is an... Through the study of relationship between agricultural technology extension and the development of agricultural modernization,urbanization and industrialization,it is found that agricultural technology extension is an important means to achieve synchronous development of agricultural modernization,urbanization and industrialization. Based on the sample data in China during 1978-2011,we perform the empirical analysis using VAR model and cointegration analysis and impulse response methods. The results show that there is a long-term positive equilibrium relationship between agricultural technology extension and the development of agricultural modernization,urbanization and industrialization,and agricultural technology extension plays a role in promoting agricultural modernization,urbanization and industrialization to varying degrees. Finally,it is concluded that there is a need to establish efficient agricultural technology extension mechanism and diversified agricultural technology extension investment mechanism to make agricultural technology extension better promote China's agricultural modernization,urbanization and industrialization. 展开更多
关键词 agricultural technology EXTENSION agricultural MODERNIZATION URBANIZATION INDUSTRIALIZATION
下载PDF
Suitability Evaluation on the Information Service System of "Agricultural Science and Technology 110" in Sichuan Province, China 被引量:1
20
作者 HU Yu-fu1,2,DENG Liang-ji1,2 1. College of Economics and Management,Sichuan Agricultural University, Ya′an 625014, China 2. College of Resources and Environment, Sichuan Agricultural University, Ya′an 625014, China 《Asian Agricultural Research》 2010年第9期17-20,24,共5页
Method of fuzzy comprehensive evaluation is used to carry out suitability evaluation on the information service system of "Agricultural Science and Technology 110" in Sichuan Province, China. Analytic hierar... Method of fuzzy comprehensive evaluation is used to carry out suitability evaluation on the information service system of "Agricultural Science and Technology 110" in Sichuan Province, China. Analytic hierarchy process (AHP) and expert consultation method are used to determine the evaluation index system and index weight. Suitability effect of the information service system of "Agricultural Science and Technology 110" is taken as the target layer. The five indices at criterion layer are the organizational mode of agricultural information service, the support system of agricultural information resources, the agricultural information transfer system, the capital source of agricultural information service, and the support system of agricultural information service. And the index layer includes the talent team of agent service, the interaction between the subject and object, the accuracy of agricultural information, the convenience of agricultural information transfer, the adequacy of fund, the efficiency in the use of fund, the status of information infrastructure and so on. Evaluation result shows that the information service system of "Agricultural Science and Technology 110" in Sichuan Province is suitable for the rural economic development at present. The major factors restricting the information service system are the lack of continuity, the weak infrastructure of agricultural information infrastructure, and the relatively low education level of agricultural producers. Therefore, we should further explore and improve the operation mechanism of agricultural information service, expand the capital source of agricultural information service, strengthen the construction of agricultural infrastructure, and ensure the continuous operation of information service system. 展开更多
关键词 agricultural SCIENCE and technology 110 agricultur
下载PDF
上一页 1 2 250 下一页 到第
使用帮助 返回顶部