Titlebook: Wood Variation; Its Causes and Contr Bruce J. Zobel,Johannes P. Buijtenen Book 1989 Springer-Verlag Berlin Heidelberg 1989 Plantation.growt

新鲜

勉强

The Effect of Provenance Variation and Exotic Plantations on Wood Properties, range (Callaham 1964; Burley and Wood 1976). These portions of a species with differing characteristics are called geographic sources or provenances. For example, trees from cold climates at higher latitudes or high elevations usually develop into slow growing individuals, with straight stems and s

落叶剂

CODA

gimmick

用手捏

Palliation

Control of Wood Properties by Breeding, One major method of reducing defects in wood properties is by using seedlings of good genetic quality obtained through the application of genetics to the large natural variability in wood properties. The opportunities for genetic control of wood are particularly attractive, since wood properties ar

promote

Future Importance of Knowing and Manipulating Wood Variability,ing Quality of Timber Resources” (Porterfield and Crist 1978) or “Utilization of the Changing Wood Resource of the Southern United States” held in Raleigh North Carolina at N.C. State University in June, 1984, deal with the subject, which is of great concern to the forest industry. In 1980, Preston

幻想

CONE