- Paper Birch (14)
- Parks and Recreation (3)
- Pastures (2)
- Pastures. Minnesota (210)
- Pearl Millet (22)
- Peas (12)
- Peppers (74)
- Pesticides (5)
- Pests. Biological Control (5)
- Pests. Integrated Control. Research (11)
- Pheromones (6)
- Pick Your Own Farms (19)
- Picnicking (12)
- Pigs (162)
- Plant Breeding (454)
- Plant Diseases. Minnesota (10)
- Plant Diseases. Research (7)
- Plant Hormones (117)
- Plant Molecular Genetics (55)
- Plant Regulators (117)