Citation: Bj. Hawkins et G. Henry, Nutrition and bud removal affect biomass and nutrient allocation in Douglas-fir and western red cedar, TREE PHYSL, 19(3), 1999, pp. 197-203
Citation: Bj. Hawkins et al., Biomass and nutrient allocation in Douglas-fir and amabilis fir seedlings:influence of growth rate and temperature, TREE PHYSL, 19(1), 1999, pp. 59-63
Citation: Sa. Karim et Bj. Hawkins, Variation in response to nutrition in a three-generation pedigree of Populus, CAN J FORES, 29(11), 1999, pp. 1743-1750
Citation: Jf. Stevenson et al., Spring and fall cold hardiness in wild and selected seed sources of coastal Douglas-fir, SILVAE GEN, 48(1), 1999, pp. 29-34