共 16 条
- [1] BISWELL H. H., 1953, JOUR RANGE MANAGEMENT, V6, P172, DOI 10.2307/3893840
- [3] GLENDENING GEORGE E., 1942, JOUR AMER SOC AGRON, V34, P797
- [4] HEDRICK D. W., 1948, JOUR RANGE MANAGEMENT, V1, P22, DOI 10.2307/3894375
- [5] HERVEY DONALD F., 1949, JOUR RANGE MANAGEMENT, V2, P116, DOI 10.2307/3893681
- [6] HITCHCOCK AS, 1950, US DEP AGR MISC PUB, V200
- [7] HOPKINS HAROLD H., 1954, JOUR RANGE MANAGEMENT, V7, P255, DOI 10.2307/3893927
- [8] HUMPHREY R. R., 1949, JOUR RANGE MANAGEMENT, V2, P1, DOI 10.2307/3893827
- [9] HYDER DN, 1954, J FORESTRY, V52, P603
- [10] Jepson WL., 1925, MANUAL FLOWERING PLA