共 15 条
[4]
EVANS GC, 1972, QUANTITATIVE ANALYSI
[5]
BOTANICAL COMPOSITION OF DIET OF STEERS GRAZING A DESERT GRASSLAND RANGE
[J].
JOURNAL OF RANGE MANAGEMENT,
1969, 22 (01)
:14-+
[6]
ESTIMATING BOTANICAL COMPOSITION OF FORAGE SAMPLES FROM FISTULATED STEERS BY A MICROSCOPE POINT METHOD
[J].
JOURNAL OF RANGE MANAGEMENT,
1968, 21 (06)
:397-+
[7]
GRIMES R. C., 1965, J BRIT GRASSLAND SOC, V20, P168
[9]
HEADY HAROLD F., 1965, J RANGE MANAGE, V18, P144, DOI 10.2307/3895626
[10]
HEADY HAROLD F., 1959, JOUR RANGE MANAGEMENT, V12, P28, DOI 10.2307/3895214