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Leadership Meet the Administrative Team Departments and Units Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa. Our Experts Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.State Administration Get contact information for Extension administrative personnel by operational area and their respective support personnel. Area Extension Directors Get contact information for the Area Extension Directors (AEDs) County Extension Personnel Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.
David McNear
Regular Faculty
Associated Departments
Scholars@UK
Commercial maize hybrids have smaller root systems after 80 Years of breeding
Rinehart, B., Borras, L., Salmeron, M., McNear, D. H. & Poffenbarger, H., Jun 2024, In: Rhizosphere. 30, 100915.Research output: Contribution to journal › Article › peer-review
Toward improved image-based root phenotyping: Handling temporal and cross-site domain shifts in crop root segmentation models
Banet, T., Smith, A. G., McGrail, R., McNear, D. H. & Poffenbarger, H., Dec 2024, In: Plant Phenome Journal. 7, 1, e20094.Research output: Contribution to journal › Article › peer-review
Root exudates induced coupled carbon and phosphorus cycling in a soil with low phosphorus availability
Joshi, S. R., Tfaily, M. M., Young, R. P. & McNear, D. H., May 2024, In: Plant and Soil. 498, 1-2, p. 371-390 20 p.Research output: Contribution to journal › Article › peer-review
Breeding Milestones Correspond with Changes to Wheat Rhizosphere Biogeochemistry That Affect P Acquisition
McGrail, R. K., Van Sanford, D. A. & McNear, D. H., Mar 2023, In: Agronomy. 13, 3, 813.Research output: Contribution to journal › Article › peer-review
A method for phenotyping roots of large plants
Rinehart, B., Poffenbarger, H., Lau, D. & McNear, D., 2022, In: Plant Phenome Journal. 5, 1, e20041.Research output: Contribution to journal › Article › peer-review
Litter quality and living roots affected the formation of new mineral-associated organic carbon but did not affect total mineral-associated organic carbon in a short-term incubation
Canisares, L. P., Banet, T., Rinehart, B., McNear, D. & Poffenbarger, H., Feb 2023, In: Geoderma. 430, 116302.Research output: Contribution to journal › Article › peer-review
Spatial and Temporal Changes of Soil Microbial Communities in Field Tomato Production as Affected by Anaerobic Soil Disinfestation
Vincent, I. R., Paudel, B. R., Guo, H., Rosskopf, E. N., Di Gioia, F., Hong, J. C., McNear, D. H., Xu, N., Anrecio, L., Colee, J. & Zhao, X., Jul 13 2022, In: Frontiers in Sustainable Food Systems. 6, 838635.Research output: Contribution to journal › Article › peer-review
Accurate detection of soil microbial community responses to environmental change requires the use of multiple methods
Osburn, E. D., McBride, S. G., Kupper, J. V., Nelson, J. A., McNear, D. H., McCulley, R. L. & Barrett, J. E., Jun 2022, In: Soil Biology and Biochemistry. 169, 108685.Research output: Contribution to journal › Article › peer-review
Semidwarf winter wheat roots contain fewer organic acids than wild-type varieties under phosphorus stress
McGrail, R. K., Van Sanford, D. A. & McNear, D. H., Sep 1 2021, In: Crop Science. 61, 5, p. 3586-3597 12 p.Research output: Contribution to journal › Article › peer-review
Two centuries of breeding has altered root system architecture of winter wheat
McGrail, R. K. & McNear, D. H., Sep 2021, In: Rhizosphere. 19, 100411.Research output: Contribution to journal › Article › peer-review
Reactions of nitrite with goethite and surface Fe(II)-goethite complexes
Dhakal, P., Coyne, M. S., McNear, D. H., Wendroth, O. O., Vandiviere, M. M., D'Angelo, E. M. & Matocha, C. J., Aug 15 2021, In: Science of the Total Environment. 782, 146406.Research output: Contribution to journal › Article › peer-review
Phosphorus source and Epichloë coenophiala strain interact over time to modify tall fescue rhizosphere microbial community structure and function
Ding, N., Guo, H., Kupper, J. V. & McNear, D. H., Mar 2021, In: Soil Biology and Biochemistry. 154, 108125.Research output: Contribution to journal › Article › peer-review
Low soil phosphorus availability triggers maize growth stage specific rhizosphere processes leading to mineralization of organic P
Joshi, S. R., Morris, J. W., Tfaily, M. M., Young, R. P. & McNear, D. H., Feb 2021, In: Plant and Soil. 459, 1-2, p. 423-440 18 p.Research output: Contribution to journal › Article › peer-review
Soil microbial community responses to nitrogen application in organic and conventional rice production
Li, X., Dou, F., Guo, J., Velarca, M. V., Chen, K., Gentry, T. & McNear, D., Nov 1 2020, In: Soil Science Society of America Journal. 84, 6, p. 1885-1897 13 p.Research output: Contribution to journal › Article › peer-review
Trait-based root phenotyping as a necessary tool for crop selection and improvement
McGrail, R. K., Van Sanford, D. A. & McNear, D. H., Sep 2020, In: Agronomy. 10, 9, 1328.Research output: Contribution to journal › Review article › peer-review
Tall fescue cultivar and fungal endophyte combinations influence plant growth and root exudate composition
Guo, J., McCulley, R. L. & McNear, D. H., Apr 9 2015, In: Frontiers in Plant Science. 6, APR, 183.Research output: Contribution to journal › Article › peer-review
Shoot specific fungal endophytes alter soil phosphorus (P) fractions and potential acid phosphatase activity but do not increase P uptake in tall fescue
Ding, N., Guo, H., Kupper, J. V. & McNear, D. H., Apr 1 2016, In: Plant and Soil. 401, 1-2, p. 291-305 15 p.Research output: Contribution to journal › Article › peer-review
Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes
Calvo, P., Zebelo, S., McNear, D., Kloepper, J. & Fadamiro, H., Jan 1 2019, In: Journal of Plant Interactions. 14, 1, p. 224-231 8 p.Research output: Contribution to journal › Article › peer-review
Assessing nickel bioavailability in smelter-contaminated soils
Everhart, J. L., McNear, D., Peltier, E., van der Lelie, D., Chaney, R. L. & Sparks, D. L., Aug 31 2006, In: Science of the Total Environment. 367, 2-3, p. 732-744 13 p.Research output: Contribution to journal › Article › peer-review
Evidence for avoidance of Ag nanoparticles by earthworms (Eisenia fetida)
Shoults-Wilson, W. A., Zhurbich, O. I., McNear, D. H., Tsyusko, O. V., Bertsch, P. M. & Unrine, J. M., Mar 2011, In: Ecotoxicology. 20, 2, p. 385-396 12 p.Research output: Contribution to journal › Article › peer-review
Supplement: Developing Novel Methods to Trace Root-Derived Soil Organic Carbon (Extension)
Poffenbarger, H. (PI) & McNear, D. (CoI)
7/1/21 → 12/31/24
Project: Research project
Characterization of Rhizosphere Traits in Ancestral and Modern Crop Genotypes
McNear, D. (PI)
Novozymes North America Incorporated
8/1/18 → 12/31/20
Project: Research project
Influence of microbial-based soil additives on P speciation and availability
McNear, D. (PI)
9/1/14 → 4/15/15
Project: Research project
Supplement: Developing Novel Methods to Trace Root-Derived Soil Organic Carbon
Poffenbarger, H. (PI) & McNear, D. (CoI)
7/1/21 → 6/30/24
Project: Research project
Understanding the Roots of Soil Health
Poffenbarger, H. (PI), Haramoto, E. (CoI) & McNear, D. (CoI)
Foundation for Food and Agriculture Research
1/1/22 → 12/31/25
Project: Research project
KY EPSCoR: Kentucky Infrastructure in Ecological Genomics (KIEG)
Schardl, C. (PI), Jaromczyk, J. (CoI), McNear, D. (CoI), Schofield, M. (CoI), Stromberg, A. (CoI), Voss, S. (CoI), Webb, B. (CoI), Weisrock, D. (CoI) & Zhou, X. (CoI)
KY Council on Postsecondary Education
6/1/08 → 8/31/11
Project: Research project
Developing Novel Methods to Trace Root-Derived Soil Organic Carbon
Poffenbarger, H. (PI) & McNear, D. (CoI)
7/1/21 → 6/30/24
Project: Research project
Plant-Microbe Communication in the Medicago Truncatula Rhizosphere: Functional Metagenomics, Biochemistry, and Community Analysis
Moe, L. (PI), DeBolt, S. (CoI) & McNear, D. (CoI)
National Institute of Food and Agriculture
6/1/11 → 5/31/16
Project: Research project
CDRP: Integrated Research, Education, and Extension to Enable Sustainable Biofuel Production - A Proposed Workshop to Organize Research Efforts in the Southeast U.S.
McNear, D. (PI), Bertsch, P. (CoI) & DeBolt, S. (CoI)
KY Council on Postsecondary Education
4/5/10 → 3/31/11
Project: Research project
Speciation and Spatial Distribution of Cr, Cu, and As in Bulk and Rhizosphere Soils Adjacent to CCA Treated Fences throughout the Landscape
McNear, D. (PI)
KY Council on Postsecondary Education
12/14/09 → 3/31/10
Project: Research project
Transatlantic Initiative for Nanotechnology and the Environment (TINE)
Unrine, J. (PI), McNear, D. (CoI), Tsyusko-Unrine, O. (CoI), Bertsch, P. (Former PI) & Kabengi, N. (Former CoI)
Environmental Protection Agency
7/1/10 → 6/30/16
Project: Research project
State EPSCoR: Transforming Kentucky's New Economy
Connolly, J. (PI), Brill, J. (CoI), Cao, G. (CoI), Delong, L. (CoI), Guiton, B. (CoI), Hinds, B. (CoI), Jaromczyk, J. (CoI), Kaul, R. (CoI), McNear, D. (CoI), Ng, K. (CoI), Patwardhan, A. (CoI), Puleo, D. (CoI), Schofield, M. (CoI), Saunders, M. (CoI), Schardl, C. (CoI), Seo, A. (CoI), Shin, H. (CoI), Strachan, D. (CoI), Stromberg, A. (CoI), Voss, S. (CoI), Webb, B. (CoI), Weisrock, D. (CoI) & Zhou, X. (CoI)
KY Council on Postsecondary Education
6/1/08 → 8/31/11
Project: Research project
Response to Soil Processes to an Above Ground Plant-Fungal Symbiosis from Rhizosphere to Regional Scales
McNear, D. (PI) & McCulley, R. (CoI)
Cooperative State Research Education and Extension
9/1/08 → 7/31/13
Project: Research project
Remediation of coal slurry impoundment liquids using a multi-stage constructed treatment wetland system
D'Angelo, E. (PI), Agouridis, C. (CoI), Hower, J. (CoI), McNear, D. (CoI), Unrine, J. (CoI) & Warner, R. (CoI)
KY Energy and Environment Cabinet
5/1/13 → 6/30/14
Project: Research project
Getting to the Root of the Matter: Linking Root Traits to Soil Health
Poffenbarger, H. (PI) & McNear, D. (CoI)
National Institute of Food and Agriculture
5/1/19 → 4/30/25
Project: Research project
Rhizosphere Priming Effects on Legacy Organic Phosphorus (Po) in a Winter Wheat/corn Rotation
McNear, D. (PI), Grove, J. (CoI) & McGrath, J. (CoI)
National Institute of Food and Agriculture
5/15/16 → 8/14/21
Project: Research project