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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


814-863-1016

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
  • Professor of Weed Science


814-863-1014

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
  • Produce and ethnic food marketing
  • Retail business management
  • Consumer attitudes and behaviors pertaining to horticultural goods and services
  • Emeritus Professor of Vegetable Crops


814-865-7118

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


814-863-1017

  • Professor Emeritus of Vegetable Crops


814-863-2251

  • Professor of Agronomy
  • Associate Department Head


814-863-1018

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