共 21 条
[1]
Allison L., 1965, METHODS SOIL ANAL 2, V9, P1346, DOI 10.2134/agronmonogr9.2.c38
[2]
[Anonymous], AGRONOMY
[3]
BARBER SA, 1977, GROUND ECOSYSTEM SYN, P161
[4]
BIOMASS DISTRIBUTION AND CROWN CHARACTERISTICS IN 2 ALASKAN PICEA-MARIANA ECOSYSTEMS
[J].
CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE,
1978, 8 (01)
:36-41
[5]
BARNEY RJ, 1973, PNW201 USDA FOR SERV
[6]
BASKERVILLE G L, 1972, Canadian Journal of Forest Research, V2, P49, DOI 10.1139/x72-009
[7]
BLACK C. A., 1968, SOIL PLANT RELATIONS
[8]
Bringmark L., 1977, Silva Fennica, V11, P201
[9]
COLE DW, 1967, 1967 S PRIM PROD MIN, P197
[10]
COOPER AJ, 1973, 4 COMM AGR BUR RES R