共 25 条
[1]
THE MINERAL-NUTRITION OF WILD PLANTS
[J].
ANNUAL REVIEW OF ECOLOGY AND SYSTEMATICS,
1980, 11
:233-260
[5]
FERTILIZATION OF A NATIVE GRASSLAND IN THE DEPRESION-DEL-RIO-SALADO, PROVINCE OF BUENOS-AIRES - HERBAGE DRY-MATTER ACCUMULATION AND BOTANICAL COMPOSITION
[J].
JOURNAL OF RANGE MANAGEMENT,
1982, 35 (01)
:35-39
[6]
Gleason H. A., 1963, MANUAL VASCULAR PLAN
[7]
Grigal D. W., 1974, 123 U MINN AGR EXPT
[8]
GUILLARD RRL, 1973, PHYCOLOGICAL METHODS, P233