共 25 条
[1]
BADURA SJ, 1977, SOIL RESOURCE INVENT
[2]
BENTLEY JR, 1971, USDA PSW238 FOR SERV
[4]
Cochran W.G, 1957, STAT METHODS, V6th ed
[5]
5TH YEAR RESPONSES OF DOUGLAS-FIR TO CROWDING AND NONCONIFEROUS COMPETITION
[J].
CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE,
1987, 17 (02)
:181-186
[6]
DAVIS C B, 1973, Madrono, V22, P145
[7]
ELLIOTT KJ, 1987, FOREST SCI, V33, P356
[9]
GRATKOWSKI H, 1961, BRUSH PROBLEMS SW OR
[10]
Hughes T. F., 1987, Western Journal of Applied Forestry, V2, P124