fir Kitapları

Effectiveness of three insecticides applied at two droplet sizes for control of the Douglas-fir tussock moth and western spruce budworm

Relationships of tree age to diameter in old-growth northern hardwoods and spruce-fir

Growth response of suppressed true fir and mountain hemlock after release

Seeding habits of upper-slope tree species

Lumber yield and log values of Shasta red fir

Occurrence of calcium oxalate and oxalate-utilizing bacteria in Echinodontium tinctorium decay zones in Abies concolor