Biography
Dr. James Walworth is a Professor of Soil Science and Extension Specialist in the Department of Soil Water, and Environmental Science at the University of Arizona, where he has been employed since 1998. He received BS and MS degrees in Soil Science from the University of Wisconsin and a PhD in Agronomy from the University of Georgia, and has more than thirty-five years of experience working with crops and soils in the Midwestern US (Wisconsin), the East coast (Georgia and New Jersey), the far North (Alaska) and South (the Australian sub-Antarctic), as well as the desert soils of Arizona. Dr. Walworth specializes in the behavior and management of nutrients, salts, and water in soil. He has worked with pecans, turfgrass, vegetables, and field crops in the desert southwest for eighteen years, conducting research on zinc, nitrogen, phosphorus, nickel, and manganese nutrition; water and salinity management; and the use of composts and animal manures.
Degrees
- Ph.D. Agronomy
- University of Georgia, Athens, Georgia
- M.S. Soil Science
- University of Wisconsin, Madison, Wisconsin
- B.S. Soil Science
- University of Wisconsin, Madison, Wisconsin
Work Experience
- Department of Soil, Water and Environmental Science, University of Arizona (2016 - 2020)
- University of Arizona, Tucson, Arizona (2007 - Ongoing)
- University of Arizona, Tucson, Arizona (1998 - 2007)
- University of Alaska (1989 - 1998)
- Rutgers University, New Brunswick, New Jersey (1985 - 1989)
- University of Georgia, Athens, Georgia (1984 - 1985)
Licensure & Certification
- Certified Professional Soil Scientist, Soil Science Society of America (1985)
Interests
Research
Nutrient Management, Soil Fertility, Pecans, Turf grass, Vegetables, Salinity, Soil Management
Teaching
Soil Science, Soil Fertility, Plant Nutrition
Courses
2020-21 Courses
-
Soil Fert+Plnt Nutrition
ENVS 316 (Spring 2021) -
Sustain Mgmt Arid Lands
ENVS 401 (Spring 2021) -
Thesis
ENVS 910 (Spring 2021) -
Thesis
ENVS 910 (Fall 2020)
2019-20 Courses
-
Internship
ENVS 393 (Spring 2020) -
Internship
ENVS 493 (Spring 2020) -
Soil Fert+Plnt Nutrition
ENVS 316 (Spring 2020) -
Thesis
ENVS 910 (Spring 2020) -
Internship
ENVS 393 (Fall 2019) -
Internship
ENVS 493 (Fall 2019) -
Internship
ENVS 593 (Fall 2019) -
Sustain Mgmt Arid Lands
ENVS 401 (Fall 2019) -
Sustain Mgmt Arid Lands
ENVS 501 (Fall 2019)
2018-19 Courses
-
Internship
ENVS 393 (Summer I 2019) -
Internship
ENVS 393 (Spring 2019) -
Soil Fert+Plnt Nutrition
ENVS 316 (Spring 2019) -
Thesis
ENVS 910 (Spring 2019) -
Independent Study
ENVS 399 (Fall 2018) -
Independent Study
ENVS 499 (Fall 2018) -
Internship
ENVS 393 (Fall 2018) -
Sustain Mgmt Arid Lands
ENVS 401 (Fall 2018) -
Sustain Mgmt Arid Lands
ENVS 501 (Fall 2018) -
Thesis
ENVS 910 (Fall 2018)
2017-18 Courses
-
Honors Thesis
ENVS 498H (Spring 2018) -
Internship
ENVS 393 (Spring 2018) -
Soil Fert+Plnt Nutrition
ENVS 316 (Spring 2018) -
Honors Thesis
ENVS 498H (Fall 2017) -
Independent Study
ENVS 399 (Fall 2017) -
Independent Study
ENVS 499 (Fall 2017) -
Internship
ENVS 393 (Fall 2017) -
Sustain Mgmt Arid Lands
ENVS 401 (Fall 2017) -
Sustain Mgmt Arid Lands
ENVS 501 (Fall 2017)
2016-17 Courses
-
Independent Study
ENVS 399 (Summer I 2017) -
Internship
ENVS 393 (Summer I 2017) -
Independent Study
ENVS 299 (Spring 2017) -
Independent Study
ENVS 399 (Spring 2017) -
Independent Study
ENVS 499 (Spring 2017) -
Internship
ENVS 393 (Spring 2017) -
Internship
ENVS 593 (Spring 2017) -
Soil Fert+Plnt Nutrition
ENVS 316 (Spring 2017) -
Sustain Mgmt Arid Lands
ENVS 401 (Fall 2016) -
Sustain Mgmt Arid Lands
ENVS 501 (Fall 2016)
2015-16 Courses
-
Thesis
ENVS 910 (Summer I 2016) -
Internship
ENVS 393 (Spring 2016) -
Soil Fert+Plnt Nutrition
ENVS 316 (Spring 2016) -
Thesis
ENVS 910 (Spring 2016)
Scholarly Contributions
Chapters
Journals/Publications
Proceedings Publications
Presentations
Poster Presentations
Other Teaching Materials
- More infoAn animated presentation designed to provide the basics of soil salinity, sodicity, and structure; a video of the impact of gypsum on water flow in soils; and a video lecture on soil salinity.
