共 13 条
[1]
[Anonymous], 1955, OFFICIAL METHODS ANA
[3]
HOYLE MERRILL C., 1964, FOREST SCI, V10, P337
[4]
KESSELL SL, 1936, AUSTRALIAN FOR, V1, P1
[5]
Leyton L., 1957, Plant and Soil, V9, P31, DOI 10.1007/BF01343480
[6]
Leyton L., 1956, Plant and Soil, V7, P167, DOI 10.1007/BF01343725
[7]
MITCHELL H. L., 1936, BLACK ROCK FOREST PAPERS, V1, P30
[8]
SWITZER GL, UNPUBLISHED DATA
[9]
WEHRMANN J, 1959, FORSTWISS CBL, V78
[10]
WELLS C. G., 1963, SOIL SCI SOC AMER PROC, V27, P90