![](Resources/_clear.gif) | ![](Resources/_clear.gif) | Dates at UD | Visiting From |
![Panama](Resources/dflagsdotcompanama.gif)
| Dr. Robustiano Alvarez | 1985-1986 | University of Panama Estafeta Naturales, Panama |
![India](Resources/dflagsdotcomindiaa.gif)
| Dr. Nanek Pasricha | 1987-1988 | Potash Research Institute of India Haryana, India |
![China](Resources/dflagsdotcomchcomi.gif)
| Professor X. Jiahua | 1988 | Chinese Academy of Sciences China |
![Israel](Resources/dflagsdotcomisraea.gif)
| Dr. Chaim Aharoni | 1989-1990 | Department of Chemical Engineering Technion-Israel Institute of Technology Haifa, Israel |
![Israel](Resources/dflagsdotcomisraea.gif)
| Dr. Rami Keren | 1992-1993 | Institute of Soil, Water and Environmental Sciences The Agricultural Research Organization Bet Dagan, Israel |
![Germany](Resources/dflagsdotcomgernac.gif)
| Dr. D.D. Steffens | 1993-1994 | Justus Liebig University Giessen, Germany |
![Israel](Resources/dflagsdotcomisraea.gif)
| Dr. Sala Feigenbaum | 1995 | Institute of Soil, Water and Environmental Sciences The Agricultural Research Organization Bet Dagan, Israel |
![USA](Resources/dflagsdotcomusa2wa.gif)
| Dr. Lynn Katz | 1997 | University of Maine Orono, Maine (Currently: University of Texas) |
![Israel](Resources/dflagsdotcomisraea.gif)
| Dr. Avi Shaviv | 1998-1999 | Department of Civil and Environmental Engineering Technion-Israel Institute of Technology Technion City, Israel |
![Taiwan](Resources/dflagsdotcomchtaia.gif)
| Dr. Ming Wang | 2000 | Department of Agricultural Chemistry National Taiwan University |
![Italy](Resources/dflagsdotcomitalya.gif)
| Dr. Daniela Businelli | 2001 | University of Perugia Perugia, Italy |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Xionghan Feng |
2007-2008 |
Huazhong Agricultural University
Wuhan, China |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Tingqiang Li |
2009-2010 |
Zhejiang University
Hangzhou, China |
![Brazil](Resources/3dflags-bra1-1.gif) |
Dr. Marcelo Alves |
2009-2010 |
Luiz de Queiroz College of Agriculture
São Paulo, Brazil |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Yujun Wang |
2010-2011 |
Institute of Soil Science, Chinese Academy of Science
Nanjing, China |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Xionghan Feng |
2011-2012 |
Huazhong Agricultural University
Wuhan, China |
![Chile](Resources/3dflags-chl1-39s6-sm.png) |
Dr. Alejandra Jara |
2010-2012 |
Universidad de La Frontera
Temuco, Chile |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Yujun Wang |
2013 |
Institute of Soil Science, Chinese Academy of Science
Nanjing, China |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Chuanjiang Tao |
2013 |
Institute for the Control of Agrochemicals,Ministry of Agriculture
Beijing, China |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Dan Liu |
2014-2015 |
College of Environment and Resources, Zhejiang Agricultural & Forestry University
Hangzhou, China |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Yang Chen |
2014-2015 |
School of Earth Sciences & Engineering, Nanjing University
Nanjing, China |
![China](Resources/dflagsdotcomchcomi.gif)
|
Dr. Hao-Jie Cui |
2015-2016 |
Chinese Academy of Sciences
Xiamen City, China |
![Australia](Resources/australia-flag-animation.gif)
|
Dr. Balwant Singh |
2017 |
The University of Sydney
Sydney, Australia |