Biblio
S
H. D., Sullivan, D. M., Owen, J. S., and Hart, J. M.,
“Soil test interpretation guide”,
Oregon State University, Extension Service, 2011.
J. J. Rothleutner, Contreras, R., Stockwell, V., and Owen, J. S.,
“Screening Cotoneaster for Resistance to Fire Blight by Artificial Inoculation”,
HortScience, vol. 49, no. 12, 2014.