• 1125 Citations
  • 18 h-Index
1986 …2018

Research output per year

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Research Output

2018

Effect of nitrogen rates on ‘Western’ pecan tree development

Núñez-Moreno, J. H., Walworth, J. L., Pond, A. & Kilby, M., Oct 31 2018, 8th International Symposium on Mineral Nutrition of Fruit Crops. Pii, Y., Mimmo, T. & Scandellari, F. (eds.). International Society for Horticultural Science, p. 103-110 8 p. (Acta Horticulturae; vol. 1217).

Research output: Chapter in Book/Report/Conference proceedingChapter

2017
2 Scopus citations

Soil-application of zinc-EDTA increases leaf photosynthesis of immature ‘Wichita’ pecan trees

Heerema, R. J., Van Leeuwen, D., Thompson, M. Y., Sherman, J. D., Comeau, M. J. & Walworth, J. L., Jan 2017, In : Journal of the American Society for Horticultural Science. 142, 1, p. 27-35 9 p.

Research output: Contribution to journalArticle

1 Scopus citations

Soil-applied ZnEDTA: Vegetative growth, nut production, and nutrient acquisition of immature pecan trees grown in an alkaline, calcareous soil

Walworth, J. L., White, S. A., Comeau, M. J. & Heerema, R. J., Feb 2017, In : HortScience. 52, 2, p. 301-305 5 p.

Research output: Contribution to journalArticle

3 Scopus citations
2016

Soil-applied zinc-EDTA: Photosynthesis in 'Wichita' pecan grown on an alkaline and calcareous soil

Heerema, R. J. & Walworth, J. L., Feb 23 2016, 29th International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC 2014): International Symposium on Nut Crops. Wirthensohn, M. (ed.). International Society for Horticultural Science, p. 89-93 5 p. (Acta Horticulturae; vol. 1109).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Soil-applied zinc-EDTA: Growth and nutrient acquisition of non-bearing pecan grown on an alkaline and calcareous soil

Walworth, J. L. & Heerema, R. J., Feb 23 2016, 29th International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC 2014): International Symposium on Nut Crops. Wirthensohn, M. (ed.). International Society for Horticultural Science, p. 121-126 6 p. (Acta Horticulturae; vol. 1109).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Chemical immobilization of metals and metalloids by phosphates

Hafsteinsdóttir, E. G., Camenzuli, D., Rocavert, A. L., Walworth, J. & Gore, D. B., Aug 1 2015, In : Applied Geochemistry. 59, p. 47-62 16 p.

Research output: Contribution to journalReview article

31 Scopus citations

Soil zinc fertilization in one-year-old potted 'Wichita' pecan trees in alkaline soil

Núñez-Moreno, H., Walworth, J. L. & Pond, A. P., Feb 15 2015, I International Symposium on Pecans and Other Carya in Indingenous and Managed Systems. Heerema, R. & Grauke, L. J. (eds.). International Society for Horticultural Science, p. 73-80 8 p. (Acta Horticulturae; vol. 1070).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Low temperature soil petroleum hydrocarbon degradation at various oxygen levels

Walworth, J., Harvey, P. & Snape, I., Dec 1 2013, In : Cold Regions Science and Technology. 96, p. 117-121 5 p.

Research output: Contribution to journalArticle

8 Scopus citations
2012

Field identification and characterization of manganese toxicity in 'Western Schley' pecan trees

Núñez-Moreno, H., Walworth, J. L. & Pond, A. P., Nov 15 2012, XXVIII International Horticultural Congress on Science and Horticulture for People (IHC2010): International Symposium on Environmental, Edaphic, and Genetic Factors Affecting Plants, Seeds and Turfgra. International Society for Horticultural Science, p. 291-298 8 p. (Acta Horticulturae; vol. 938).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2011

Deficit irrigation of seashore paspalum and bermudagrass

Bañuelos, J. B., Walworth, J. L., Brown, P. W. & Kopec, D. M., Nov 1 2011, In : Agronomy Journal. 103, 6, p. 1567-1577 11 p.

Research output: Contribution to journalArticle

8 Scopus citations
10 Scopus citations
2009
12 Scopus citations

Manure and soil zinc application to 'Wichita' pecan trees growing under alkaline conditions

Núñez-Moreno, H., Walworth, J. L. & Pond, A. P., Oct 2009, In : HortScience. 44, 6, p. 1741-1745 5 p.

Research output: Contribution to journalArticle

Open Access
7 Scopus citations

Soil zinc fertilization of 'Wichita' pecan trees growing under alkaline soil conditions

Núñez-Moreno, H., Walworth, J. L., Pond, A. P. & Kilby, M. W., Oct 1 2009, In : HortScience. 44, 6, p. 1736-1740 5 p.

Research output: Contribution to journalArticle

5 Scopus citations
2008

Effects of osmotic and matric potentials on nitrogen mineralization in unamended and manure-amended soils

Al-Ismaily, S. S. & Walworth, J. L., Mar 1 2008, In : Soil Science. 173, 3, p. 203-213 11 p.

Research output: Contribution to journalArticle

3 Scopus citations

Landfarming

Walworth, J. L., Reynolds, M. C., Rutter, A. & Snape, I., Jan 1 2008, Bioremediation of Petroleum Hydrocarbons in Cold Regions. Cambridge University Press, Vol. 9780521869706. p. 170-189 20 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations

Nutrient requirements for bioremediation

Walworth, J. L. & Ferguson, S., Jan 1 2008, Bioremediation of Petroleum Hydrocarbons in Cold Regions. Cambridge University Press, Vol. 9780521869706. p. 154-169 16 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

11 Scopus citations

Treatability studies: Microcosms, mesocosms, and field trials

Snape, I., Ferguson, S., Reynolds, M. C. & Walworth, J. L., Jan 1 2008, Bioremediation of Petroleum Hydrocarbons in Cold Regions. Cambridge University Press, Vol. 9780521869706. p. 125-153 29 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Scopus citations
2007

Comparative treatment effectiveness of conventional trench and seepage pit systems

Field, J. P., Farrell-Poe, K. L. & Walworth, J. L., Mar 2007, In : Water Environment Research. 79, 3, p. 310-319 10 p.

Research output: Contribution to journalArticle

1 Scopus citations
13 Scopus citations

Nitrogen requirements for maximizing petroleum bioremediation in a sub-Antarctic soil

Walworth, J., Pond, A., Snape, I., Rayner, J., Ferguson, S. & Harvey, P., May 2007, In : Cold Regions Science and Technology. 48, 2 SPEC. ISS., p. 84-91 8 p.

Research output: Contribution to journalArticle

88 Scopus citations

Petroleum-hydrocarbon contamination and remediation by microbioventing at sub-Antarctic Macquarie Island

Rayner, J. L., Snape, I., Walworth, J. L., Harvey, P. M. A. & Ferguson, S. H., May 2007, In : Cold Regions Science and Technology. 48, 2 SPEC. ISS., p. 139-153 15 p.

Research output: Contribution to journalArticle

54 Scopus citations

'SeaIsle 2000' paspalum putting surface response to mowing height and nitrogen fertilizer

Kopec, D. M., Walworth, J. L., Gilbert, J. J., Sower, G. M. & Pessarakli, M., Jan 1 2007, In : Agronomy Journal. 99, 1, p. 133-140 8 p.

Research output: Contribution to journalArticle

9 Scopus citations
2006

Assessment of C:N ratios and water potential for nitrogen optimization in diesel bioremediation

Walecka-Hutchison, C. M. & Walworth, J. L., Dec 1 2006, In : Bioremediation Journal. 10, 1-2, p. 25-35 11 p.

Research output: Contribution to journalArticle

13 Scopus citations

Fall-applied foliar zinc for pecans

Walworth, J. L., Pond, A. P., Sower, G. J. & Kilby, M. W., Feb 2006, In : HortScience. 41, 1, p. 275-276 2 p.

Research output: Contribution to journalArticle

Open Access
4 Scopus citations

Leaf nutrient levels for pecans

Pond, A. P., Walworth, J. L., Kilby, M. W., Gibson, R. D., Call, R. E. & Núñez, H., Aug 2006, In : HortScience. 41, 5, p. 1339-1341 3 p.

Research output: Contribution to journalArticle

Open Access
18 Scopus citations

Response of microsprinkler-irrigated navel oranges to fertigated nitrogen rate and frequency

Kusakabe, A., White, S. A., Walworth, J. L., Wright, G. C. & Thompson, T. L., Sep 1 2006, In : Soil Science Society of America Journal. 70, 5, p. 1623-1628 6 p.

Research output: Contribution to journalArticle

7 Scopus citations
2005

Electrokinetic control of nitrate movement in soil

Jia, X., Larson, D., Slack, D. & Walworth, J., Mar 1 2005, In : Engineering Geology. 77, 3-4 SPEC. ISS., p. 273-283 11 p.

Research output: Contribution to journalArticle

30 Scopus citations

Nitrate pollution control in different soils by electrokinetic technology

Jia, X., Larson, D. L., Zimmt, W. S. & Walworth, J. L., Jul 1 2005, In : Transactions of the American Society of Agricultural Engineers. 48, 4, p. 1343-1352 10 p.

Research output: Contribution to journalArticle

6 Scopus citations

Quantification of in-situ trichloroethene dilution versus biodegradation using a novel chloride concentration technique

Walecka-Hutchison, C. & Walworth, J. L., Dec 1 2005, Environmental Chemistry: Green Chemistry and Pollutants in Ecosystems. Springer Berlin Heidelberg, p. 317-328 12 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2004

Nitrate pollution control in different soils by electrokinetic

Jia, X., Larson, D. L., Zimmt, W. S. & Walworth, J. L., Dec 1 2004, p. 1635-1651. 17 p.

Research output: Contribution to conferencePaper

Physical Contaminants

Walworth, J. L., Jun 10 2004, Environmental Monitoring and Characterization. Elsevier Inc., p. 281-297 17 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations
2003

Effect of an electrical input with drip irrigation of nitrate distribution in soil

Rawahy, S., Larson, D. L., Walworth, J. & Slack, D. C., Jan 1 2003, In : Applied Engineering in Agriculture. 19, 1, p. 55-58 4 p.

Research output: Contribution to journalArticle

7 Scopus citations

Fertigation frequency for subsurface drip-irrigated broccoli

Thompson, T. L., White, S. A., Walworth, J. & Sower, G. J., Jan 1 2003, In : Soil Science Society of America Journal. 67, 3, p. 910-918 9 p.

Research output: Contribution to journalArticle

26 Scopus citations

Nutrient amendments for contaminated peri-glacial soils: Use of cod bone meal as a controlled release nutrient source

Walworth, J. L., Woolard, C. R. & Harris, K. C., Sep 2003, In : Cold Regions Science and Technology. 37, 2, p. 81-88 8 p.

Research output: Contribution to journalArticle

28 Scopus citations
2002

Tuber initiation and development in irrigated and non-irrigated potatoes

Walworth, J. L. & Carling, D. E., Jan 1 2002, In : American Journal of Potato Research. 79, 6, p. 387-395 9 p.

Research output: Contribution to journalArticle

34 Scopus citations
2001

Nutrient and temperature interactions in bioremediation of cryic soils

Walworth, J., Braddock, J. & Woolard, C., Sep 1 2001, In : Cold Regions Science and Technology. 32, 2-3, p. 85-91 7 p.

Research output: Contribution to journalArticle

43 Scopus citations

Tolerance of five riparian plants from the lower Colorado River to salinity drought and inundation

Vandersande, M. W., Glenn, E. P. & Walworth, J. L., Jan 1 2001, In : Journal of Arid Environments. 49, 1, p. 147-159 13 p.

Research output: Contribution to journalArticle

93 Scopus citations
2000

Effect of an Electrical Input with Drip Irrigation on Nitrate Distribution in Soil

Al Rawahy, S., Larson, D. L., Walworth, J. & Slack, D. C., Dec 1 2000, p. 2245-2261. 17 p.

Research output: Contribution to conferencePaper

1999

Biodegradation of Aliphatic vs. Aromatic Hydrocarbons in fertilized arctic soils

Braddock, J. F., Walworth, J. L. & McCarthy, K. A., Dec 1 1999, In : Bioremediation Journal. 3, 2, p. 105-116 12 p.

Research output: Contribution to journalArticle

22 Scopus citations

Nutrient and temperature interactions in bioremediation of petroleum-contaminated cryic soil

Walworth, J. & Chaobal, V., Dec 1 1999, p. 3/-.

Research output: Contribution to conferencePaper

1 Scopus citations
1997

Enhancement and inhibition of microbial activity in hydrocarbon- contaminated arctic soils: Implications for nutrient-amended bioremediation

Braddock, J. F., Ruth, M. L., Catterall, P. H., Walworth, J. L. & Mccarthy, K. A., Jul 1 1997, In : Environmental Science and Technology. 31, 7, p. 2078-2084 7 p.

Research output: Contribution to journalArticle

197 Scopus citations

Enhancement and inhibition of soil petroleum biodegradation through the use of fertilizer nitrogen: An approach to determining optimum levels

Walworth, J. L., Woolard, C. R., Braddock, J. F. & Reynolds, C. M., Jan 1 1997, In : Soil and Sediment Contamination. 6, 5, p. 465-480 16 p.

Research output: Contribution to journalArticle

56 Scopus citations
1995
65 Scopus citations
1993

A compendium of tissue nutrient concentrations for field-grown potatoes

Walworth, J. L. & Muniz, J. E., Aug 1 1993, In : American Potato Journal. 70, 8, p. 579-597 19 p.

Research output: Contribution to journalArticle

39 Scopus citations

Nitrogen fertilization of irrigated Russet potatoes in southcentral Alaska

Gavlak, R. G., Campbell, W. L., Walworth, J. L., Johnson, C. L., Muniz, J. E. & Tindall, T. A., Aug 1 1993, In : American Potato Journal. 70, 8, p. 571-578 8 p.

Research output: Contribution to journalArticle

6 Scopus citations
1992

Mehlich 3 extractant for determination of available B, Cu, Fe, Mn, and Zn in cryic Alaskan soils

Walworth, J. L., Gavlak, R. G. & Panciera, M. T., Jan 1 1992, In : Canadian Journal of Soil Science. 72, 4, p. 517-526 10 p.

Research output: Contribution to journalArticle

Open Access
22 Scopus citations

Soil drying and rewetting, or freezing and thawing, affects soil solution composition

Walworth, J. L., Jan 1 1992, In : Soil Science Society of America Journal. 56, 2, p. 433-437 5 p.

Research output: Contribution to journalArticle

42 Scopus citations
1990

Alfalfa response to lime, phosphorus, potassium, magnesium, and molybdenum on acid ultisols

Walworth, J. L. & Sumner, M. E., Sep 1 1990, In : Fertilizer Research. 24, 3, p. 167-172 6 p.

Research output: Contribution to journalArticle

6 Scopus citations