Subject
- Soil solarization4
- Nurseries (Horticulture)--Northwest, Pacific1
- Nurseries (Horticulture)--Weed control1
- Phytopathogenic microorganisms -- Biological control1
- Phytophthora -- Control1
- Phytophthora ramorum -- Control1
- Soil solarization--Northwest, Pacific1
- Soilborne plant pathogens1
- Soilborne plant pathogens -- Biological control1
- Soilborne plant pathogens -- Control1
- Trichoderma1