Biblio
D
H. D., Hart, J. M., Flowers, M. D., Lutcher, L. K., Wysocki, D. J., M., C., and Bohle, M.,
“Nutrient Management Guide: Irrigated Soft White Winter Wheat (Eastern Oregon)”,
Oregon State Extension Service Publication , 2010.
H. D., Sullivan, D. M., Owen, J. S., and Hart, J. M.,
“Soil test interpretation guide”,
Oregon State University, Extension Service, 2011.
H. D., Ellsworth, J. W., Hopkins, B. G., Sullivan, D. M., and Stevens, R. G.,
“Managing salt-affected soils for crop production”,
Oregon State University Extension Service, 2007.