Abstract
Water use efficiency in agriculture (WUEA) has become a priority given increasing limitations on hydric resources. As a result, this area of research has increased in importance, becoming one of the most prolific lines of study. The main aim of this study was to present a review of worldwide WUEA research over the last 30 years. A bibliometric analysis was developed based on the Scopus database. The sample included 6063 articles. The variables analyzed were: articles per year, category, journal, country, institution, author, and keyword. The results indicate that a remarkable growth in the number of articles published per year is occurring. The main category is environmental science and the main journal Agricultural Water Management. The countries with the highest number of articles were China, the United States of America, and India. The institution that published the most articles was the Chinese Academy of Sciences and the authors from China also were the most productive. The most frequently used keywords were irrigation, crop yield, water supply, and crops. The findings of this study can assist researchers in this field by providing an overview of worldwide research.
Highlights
A series of variables limit the availability of hydric resources that can be used in agriculture [1,2,3,4,5,6].Within this context of scarcity, improving water use efficiency has become a priority [7,8,9]
The number of articles published has increased in recent years, proving that Water use efficiency in agriculture (WUEA) studies are attracting increasing attention
The main goal of this study was to present a review of worldwide WUEA research
Summary
A series of variables limit the availability of hydric resources that can be used in agriculture [1,2,3,4,5,6].Within this context of scarcity, improving water use efficiency has become a priority [7,8,9]. Water Use. Efficiency in Agriculture (WUEA) usually involves consuming less water to reach a specific production goal or increasing the production of a given water supply [10]. Efficiency in Agriculture (WUEA) usually involves consuming less water to reach a specific production goal or increasing the production of a given water supply [10] This concept can be addressed through different scientific disciplines [11]. From an economic point of view, water irrigation efficiency is the irrigation level that maximizes yield by considering all the costs, prices, and the response of crop yield to irrigation The multidisciplinarity of this concept requires the integration of different viewpoints when addressing the global challenges that researchers face when referring to water use [13,14]
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