Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) ranging
from 9.6 to 14.3 inches diameter breast height were treated with
the organic arsenicals, monosodium methanearsonate (MSMA) and
cacodylic acid. Treatments were applied at monthly intervals from
February, 1967 to October, 1968, to ten to 25 trees each month.
Treated trees were sampled in...
The primary objective of this study is to explore the possibilities of two methods to reduce the weight of small commercial timber prior to logging. The two methods studied are injection of cacodylic acid and sour-felling. Treatments were applied in November, 1965 and May, 1966, with final harvest of the...