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Filtering by: Academic Affiliation Forest Management Creator Holt, Harvey Allen

Internal moisture relations of standing Douglas-fir trees injected with organic arsenicals

Creator:

Holt, Harvey Allen

Abstract:

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...

Resource Type:

Dissertation
Pre-harvest measures to reduce the weight of second-growth Douglas-fir

Creator:

Holt, Harvey Allen

Abstract:

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...

Resource Type:

Masters Thesis