International

Research cooperation with China Agricultural University, Natural Resources and Environmental Sciences College, Soil and Water Sciences Department (Beijing).

(i) Risk assessment of soil heavy metal contaminations in urban-rural transition zone in Beijing
(ii) Development of remote sensing information-based nitrogen application technology for sustainable agriculture

Invited International Seminars:

1. University of California-Davis, College of Agricultural and Environmental Sciences, Plant Sciences Department. Seminar title, ‘Integrated management of agricultural and horticultural cropping systems using geographic information systems, remote sensing technology and simulation modeling’. Davis, California, USA. 26 June 2005.

2. China Agricultural University, College of Natural Resources and Environmental Sciences. Seminar title, ‘Simulation modeling water and nitrogen balance for soil and crop management’. Beijing, China. 25 Oct. 2004.

3. Delaware State University, Department of Agriculture and Natural Resource. Seminar title, ‘Understanding and improving soil-water-nutrient relations in agricultural and horticultural cropping systems’. Dover, Delaware, USA.18 May 2004.

4. Soil and Water Sciences Department, University of Florida. Seminar title ‘Plant/soil nutrient management using geographical information systems and remote sensing technology’. Gainesville, Florida, USA. 19 Nov. 2003.

5. Everglades Research and Education Center, University of Florida. Seminar title ‘Plant/soil nutrient management using geographical information systems and remote sensing technology’. Belle Glade, Florida, USA. 17 Nov. 2003.

6. McGill University, Department of Natural resource Sciences, MacDonald Campus. Seminar title: ‘Spatial and temporal soil variability at field and landscape scales’. Lecture title: ‘Factors and practices influencing organic matter levels in agricultural soils’. Sainte-Anne-de-Bellevue, Quebec, Canada. 3 March 2003.

7. Laval University, Department of Soil Science and Food Engineering. Seminar title: ‘Site-specific fertilization related to spatial patterns of soil physical and chemical characteristics’. Lecture title: ‘Understanding soil variability associated with in soil map units’. Quebec City, Canada.12 Sept. 2002.

8. University of Maine, Maine Agriculture Experiment Station. Lecture title: ‘Soil nitrogen and water variations and potato-corn-soybean rotation’. Orono, Maine, USA. 15 Dec. 2000.

9. University of Maine, Cooperative Extension Service. Seminar title: ‘Benefits of potato-corn-soybean rotation in nitrogen fertilization’. Presque Isle, Maine, USA. 14 Dec. 2000.

10. Richard Stookton College of New Jersey, Environmental Studies, Department of Natural Science and Mathematic. Seminar title: Characterizing and improving soil-nutrient-water relations: research, application, and modeling. Lecture title: ‘Environmental chemistry of nitrogen cycling in cropping systems’. Pomona, New Jersey, USA. 6 May 1999.

11. USDA-ARS, New England Plant, Soil & Water Laboratory, University of Maine Campus. Seminar title: ‘Timing and rates of nitrogen fertilizer applications for potato-soybean rotation systems’. Orono, Maine, USA.13 Feb. 1999.