Abstract
Visual analysis of the field of agricultural pollution prevention and control will help researchers to fully understand the research status at home and abroad, and better fit the current situation for further research. Mothod: Web of Science database was used to retrieve 2,214 literatures related to agricultural pollution prevention and control from 2000 to 2018 as data sources, and VOSviewer software was used for visual analysis. The results showed that the research heat of agricultural pollution control showed a good upward trend; Since 2010, China’s rapid growth in the volume of publications has ranked first, while the United States has remained stable for a long time, ranking second; Chinese institutions hold eight of the top 10 spots, with the Chinese academy of sciences at the absolute center of the field; In the research hotspot, it is divided into three clusters.1# In the field of agricultural pollution prevention and control, we have the ability to effectively control nitrogen, quality and phosphorus; China has made in-depth research on sediments, heavy metals and agricultural soils.3# Indian researchers have paid considerable attention to the prevention and control of surface water, drainage basins and groundwater pollution, and carried out in-depth research work for this purpose.
Highlights
With the growing global population, the issue of food security is a common problem facing the world
Using VOSviewer software for visual analysis, VOSviewer is a free mapping tool developed by Ludo Waltman and Nees Jan van Eck of Leiden University in the Netherlands, which is based on visualization technology to process the knowledge unit of literature [3]
By the end of 2010, there was a rapid growth in the amount of circulated paper, and the volume of circulated paper surpassed the top of the US alone. It shows that China has gradually paid more attention to the field of agricultural non-point source pollution control since 2000, and its research intensity has gradually deepened, and it has gradually become a research hotspot for scientific researchers
Summary
With the growing global population, the issue of food security is a common problem facing the world. One of the main problems of food security is agricultural non-point source pollution. How to effectively prevent and control agricultural non-point source pollution is the key to solving food security. After China's industrial pollution and urban pollution have been effectively controlled, agricultural non-point source pollution has gradually become China's most important environmental problem [1]. This research uses knowledge map visualization technology to show the field of agricultural non-point source pollution prevention and control. The visualization technology can show the development process, research status, frontier areas, and a multidisciplinary fusion of the overall knowledge framework of the discipline [2]. Using VOSviewer software for visual analysis, VOSviewer is a free mapping tool developed by Ludo Waltman and Nees Jan van Eck of Leiden University in the Netherlands, which is based on visualization technology to process the knowledge unit of literature [3]. VOSviewer can quickly analyze data when processing complex data, and presents a cluster network view with better results
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