Specialty：Soil Environmental Chemistry
Extension. Nutrient management of land application of animal wastes and biosolids. Reclamation of drastically altered lands, such as lignite surface mined lands. Reclamation of saline/sodic soils. Remediation of metals in soils, surface waters, and ground waters. Coordinator for the Nutrient Management Certification Short Course in conjunction with Natural Resources Conservation Service.
Research. Nutrient management of land application of animal wastes and biosolids. Evaluation/validation of the Texas Phosphorus Assessment Tool, also known as the Phosphorus Index (PI).