共 12 条
[1]
[Anonymous], 1977, SOIL CLASSIFICATION
[2]
BAKKER JP, 1983, VEGETATIO, V55, P153, DOI DOI 10.1007/BF00045017
[3]
Booysen J, 1983, P GRASSLD SOC STH AF, V18, P40, DOI DOI 10.1080/00725560.1983.9648979
[5]
Brown D., 1954, METHODS SURVEYING ME
[6]
CANFIELD R. H., 1941, JOUR FOREST, V39, P388
[7]
DUDAL R, 1968, DEFINITIONS SOIL UNI
[8]
FULS ER, 1991, IN PRESS J ECOLOGY
[9]
MORRIS J. W., 1970, Proceedings of the Grassland Society of Southern Africa, V5, P145
[10]
SCHEEPERS JJ, 1984, 185 DEP AGR TECHN CO