Countries citing papers authored by Robert M. Hagan
Since
Specialization
Citations
This map shows the geographic impact of Robert M. Hagan's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert M. Hagan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert M. Hagan more than expected).
This network shows the impact of papers produced by Robert M. Hagan. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert M. Hagan. The network helps show where Robert M. Hagan may publish in the future.
Co-authorship network of co-authors of Robert M. Hagan
This figure shows the co-authorship network connecting the top 25 collaborators of Robert M. Hagan.
A scholar is included among the top collaborators of Robert M. Hagan based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Robert M. Hagan. Robert M. Hagan is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Pruitt, William O., E. Fereres, D. W. Henderson, & Robert M. Hagan. (1984). Evapotranspiration losses of tomatoes under drip and furrow irrigation. California Agriculture. 38(5). 10–11.12 indexed citations
Davenport, D. C., Robert M. Hagan, & K. Uriu. (1977). Reducing transpiration to conserve water in soil and plants. California Agriculture. 31(5). 40–41.3 indexed citations
7.
Uriu, K., D. C. Davenport, & Robert M. Hagan. (1975). Preharvest Antitranspirant Spray on Cherries: Part 1. effect on fruit size. California Agriculture. 29(10). 7–9.1 indexed citations
8.
Hagan, Robert M., et al.. (1975). Energy requirements of alternatives in water supply, use, and conservation: A preliminary report. STIN. 76. 27705.5 indexed citations
Davenport, D. C., K. Uriu, Peter Martin, & Robert M. Hagan. (1972). Antitranspirants increase size, reduce shrivel of olive fruit. California Agriculture. 26(7). 6–8.7 indexed citations
12.
Davenport, D. C., et al.. (1972). Sizing cherry fruit with antitranspirant sprays. California Agriculture. 26(8). 9–10.7 indexed citations
Davenport, D. C., et al.. (1971). Part II: Potential Usefullness of Antitranspirants for Increasing Water Use Efficiency in Plants: Applied Investigations with Antitranspirants. eScholarship (California Digital Library).1 indexed citations
16.
Uriu, K., Pedro Martín Peña, & Robert M. Hagan. (1969). Effects of irrigation, crop density on almond trunk growth. California Agriculture. 23(3). 8–11.1 indexed citations
Hagan, Robert M., et al.. (1966). Irrigation of tomatoes in a single harvest program. California Agriculture. 20(6). 13–14.12 indexed citations
19.
Hagan, Robert M. & Yoash Vaadia. (1960). Analysis of water-soil-plant relationships.. 1. 374–385.1 indexed citations
20.
Hagan, Robert M., et al.. (1957). Water temperature in irrigation: Cold water damage to rice can be controlled by use of small unshaded warming basins before water is applied to fields. California Agriculture. 11(4). 19–37.3 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.