The biomass and the composition of 15 stands of red alder (Alnus rubra Bong.) on river bottom sites in western Oregon was measured during August and early September, 1969. These stands ranged in age from two to 64 years. ...

A full range of experiments was carried out to investigate the effects of environmental factors on the terminal bud dormancy in two high-elevation true fir species, Shasta red fir (Abies magnifica A. Murr. var. shaste ...

Populations of Douglas-fir seedlings from interior British Columbia, Vancouver Island, and Arizona received six bi-weekly foliar spray applications of the growth regulators IAA, CCC, and B-995, each at three concentra ...

Preliminary fertilization trials with western hemlock have yielded responses which vary significantly from stand to stand, especially in areas near the Pacific Coast. Growth responses have varied from positive to negativ ...

The objectives of this investigation were two-fold: (1) to examine possible seed and cone characteristics and their usefulness as seed maturity indices, and (2) to examine the effects of artificial ripening on seed matur ...

Research was conducted on the effect of field fertilization with nitrogen on existing huckleberry fields. Research was also carried out in the greenhouse to ascertain the effects of various levels of nitrogen, phosphorus ...