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Extension Faculty

  • Professor of Horticulture


814-863-2198

Areas of Expertise

  • Informal seed systems in Southeast Asia
  • Temperate zone woody plants
  • Christmas tree management
  • Extension and advisory systems for developing countires
  • Emeritus Distinguished Professor of Agronomy


Areas of Expertise

  • Soil Fertility
  • Soil Testing
  • Nutrient Management
  • Manure Management
  • Associate Professor of Horticulture


814-863-2190

  • Professor of Horticulture
  • Extension Specialist, Tree Fruit Production


814-863-6163

Areas of Expertise

  • Deciduous Tree Fruit Production
  • Tree Fruit Rootstocks
  • Pruning and Training Tree Fruit
  • Apple Varieties
  • Tree fruit nutrition
  • Asian pear varieties
  • Impact of climate change on tree fruit production
  • Emeritus Professor of Weed Science


Areas of Expertise

  • Managing weedy plants in agroecosystems
  • Conservation tillage and cover crops
  • Herbicide use
  • Integrated weed management
  • Weed management in organic cropping systems
  • Senior Extension Associate


814-863-2303

  • Professor of Soil Management and Applied Soil Physics


814-863-7637

Areas of Expertise

  • No-tillage
  • Cover crops
  • Soil compaction
  • Soil health
  • Soil erosion
  • Soil conservation
  • Nitrogen fixation
  • Professor of Forage Management


814-863-1019

Areas of Expertise

  • Forage Crop Establishment, Management and Utilization
  • Perennial Warm-Season Grass Establishment and Management
  • Professor of Horticultural Marketing and Business Management
  • Affiliate Appointment: Agribusiness Management, Department of Agricultural Economics, Sociology, and Education


814-863-2196

Areas of Expertise

  • Wine marketing strategies
  • Wine consumer attitudes and behaviors
  • Produce and ethnic food marketing
  • Retail layout and design
  • Social media strategies
  • Emeritus Professor of Vegetable Crops


  • Professor of Turfgrass Science
  • Director of Graduate Studies in Agronomy


814-863-1017

Areas of Expertise

  • Turfgrass disease and weed management
  • Turfgrass nutrient management
  • Soil fertility and fertilizers
  • Irrigation water quality
  • Composts as soil amendments
  • Evaluation of turfgrass species and cultivars
  • Management and selection of grasses for non-mowed/naturalized areas
  • Professor Emeritus of Vegetable Crops


  • Emeritus Professor of Agronomy


Areas of Expertise

  • Grain crop management
  • Corn management and hybrid evaluation
  • Corn silage management
  • Soybean management and variety evaluation
  • Winter wheat management and variety evaluation
  • Winter barley management and variety evaluation
  • Interseeding cover crops in corn and soybeans
  • Professor of Horticultural Systems Management


814-863-2433

Areas of Expertise

  • Sustainable vegetable systems
  • Organic vegetable systems
  • Field vegetable production systems
  • High tunnel vegetable production systems