Associated Departments

Plant and Soil Sciences

Scholars@UK

Topography and drainage effects on loess-derived fragipan horizon morphology, physical and chemical properties in western Kentucky and USA

Somerville, H., Ramsey, R. C., McCauley, M., Domenech, A., Matocha, C. J. & Shepard, C., Oct 2024, In: Catena. 245, 108274.

Research output: Contribution to journal › Article › peer-review

Mineralogical differences between seam and prism material in loess-derived fragipans in western Kentucky

Shepard, C., Somerville, H., Matocha, C., Ramsey, R. C., Obura, P. A. & McCauley, M., Mar 1 2024, In: Soil Science Society of America Journal. 88, 2, p. 273-290 18 p.

Research output: Contribution to journal › Article › peer-review

Silicon fractionation of fragipan and non-fragipan horizons in the Central United States

Shepard, C., Sapp, B. & Ramsey, R. C., Feb 2023, In: Biogeochemistry. 162, 3, p. 409-426 18 p.

Research output: Contribution to journal › Article › peer-review

Topographic gradients of soil physical, chemical, and mineralogical properties in central Kentucky sinkholes

McGraw, A., Ramsey, R. C., Obura, P., Matocha, C. & Shepard, C., Jan 1 2023, In: Soil Science Society of America Journal. 87, 1, p. 82-103 22 p.

Research output: Contribution to journal › Article › peer-review

Impact of water source dynamics on dissolved reactive phosphorus loadings in heterogenous karst agroecosystems with phosphatic limestones

Radcliff, C., Ford, W. I., Nazari, S. & Shepard, C., Nov 2021, In: Hydrological Processes. 35, 11, e14422.

Research output: Contribution to journal › Article › peer-review

Towards diverse representation and inclusion in soil science in the United States

Carter, T. L., Jennings, L. L., Pressler, Y., Gallo, A. C., Berhe, A. A., Marín-Spiotta, E., Shepard, C., Ghezzehei, T. & Vaughan, K. L., Jul 1 2021, In: Soil Science Society of America Journal. 85, 4, p. 963-974 12 p.

Research output: Contribution to journal › Review article › peer-review

A probabilistic approach to quantifying soil physical properties via time-integrated energy and mass input

Shepard, C., Schaap, M. G., Pelletier, J. D. & Rasmussen, C., 2017, In: SOIL. 3, 1, p. 67-82 16 p.

Research output: Contribution to journal › Article › peer-review

Signatures of Obliquity and Eccentricity in Soil Chronosequences

Shepard, C., Pelletier, J. D., Schaap, M. G. & Rasmussen, C., Oct 28 2018, In: Geophysical Research Letters. 45, 20, p. 11,147-11,153

Research output: Contribution to journal › Article › peer-review

Understanding critical zone evolution through predicting the three-dimensional soil chemical properties of a small forested catchment

Shepard, C., Schaap, M. G., Chorover, J. & Rasmussen, C., Dec 27 2018, In: Soil Science Society of America Journal. 82, 6, p. 1538-1550 13 p.

Research output: Contribution to journal › Article › peer-review

Subsurface soil textural control of aboveground productivity in the US Desert Southwest

Shepard, C., Schaap, M. G., Crimmins, M. A., Van Leeuwen, W. J. D. & Rasmussen, C., Apr 2015, In: Geoderma Regional. 4, p. 44-54 11 p.

Research output: Contribution to journal › Article › peer-review

Depth and topographic controls on microbial activity in a recently burned sub-alpine catchment

Fairbanks, D., Shepard, C., Murphy, M., Rasmussen, C., Chorover, J., Rich, V. & Gallery, R., Sep 2020, In: Soil Biology and Biochemistry. 148, 107844.

Research output: Contribution to journal › Review article › peer-review

Critical Mineral Potential of Mississippi Valley-Type and Phosphate Deposits in Central Kentucky

Lukoczki, G. (PI), Hickman, J. (CoI) & Shepard, C. (CoI)

US Geological Survey

9/1/24 → 8/31/27

Project: Research project

Validation Of A Decision Tool To Identify Economically Optimum Planting Dates

Salmeron Cortasa, M. (PI), Lee, C. (CoI), Shepard, C. (CoI), Shockley, J. (CoI) & Wendroth, O. (CoI)

Kentucky Soybean Promotion Board

7/1/24 → 6/30/25

Project: Research project

Soils Morphology Training and Certification C4957: FY25 Soils Morphology Course

Shepard, C. (PI)

KY Cabinet for Health and Family Services

7/1/24 → 6/30/26

Project: Research project

Soils Morphology Training and Certification C3532: FY24 Soils Morphology Course

Shepard, C. (PI)

KY Cabinet for Health and Family Services

7/1/22 → 6/30/24

Project: Research project

Use of Mid-infrared Spectroscopy and Development of a SHINY-app for Predicting Dynamic Soil Properties in Kentucky

Shepard, C. (PI)

Natural Resources Conservation Service

9/19/22 → 9/30/25

Project: Research project

Quantitative Assessment of Physical, Chemical, and Mineralogical Properties of Representative Kentucky Soils

Shepard, C. (PI)

Natural Resources Conservation Service

8/17/20 → 7/30/25

Project: Research project

Soils Morphology Training and Certification C3532: FY23 Soils Morphology Course

Shepard, C. (PI)

KY Cabinet for Health and Family Services

7/1/22 → 6/30/23

Project: Research project

FY 22 SPHB State Soil Morphology Course

Shepard, C. (PI)

KY Cabinet for Health and Family Services

7/1/20 → 6/30/22

Project: Research project

Quantitative Assessment of Physical, Chemical, and Mineralogical Properties of Representative Kentucky Soils

Shepard, C. (PI)

Natural Resources Conservation Service

8/17/20 → 7/30/25

Project: Research project

FY19 SPHB Soils Morphology Course

Shepard, C. (PI)

KY Cabinet for Health and Family Services

7/1/18 → 6/30/20

Project: Research project

FY19 SPHB Soils Morphology Course

Shepard, C. (PI) & Karathanasis, A. (CoI)

KY Cabinet for Health and Family Services

7/1/18 → 6/30/19

Project: Research project

FY 21 SPHB State Soil Morphology Course

Shepard, C. (PI)

KY Cabinet for Health and Family Services

7/1/20 → 6/30/21

Project: Research project