共 12 条
[1]
ARNOLD W. R., 1966, WEEDS, V14, P74, DOI 10.2307/4041128
[2]
PLAINS PRICKLYPEAR - RELATION TO GRAZING INTENSITY AND BLUE GRAMA YIELD ON CENTRAL GREAT PLAINS
[J].
JOURNAL OF RANGE MANAGEMENT,
1968, 21 (02)
:83-&
[3]
CHOW P. N., 1966, WEEDS, V14, P58, DOI 10.2307/4041125
[4]
CHOW P. N., 1966, WEEDS, V14, P38, DOI 10.2307/4041120
[5]
COSTELLO DF, 1941, 210 US DEP AGR LEAFL
[6]
HOFFMAN GO, 1958, 806 TEX AM COLL AGR
[8]
HYDE RM, 1965, 185 U WYOM AGR EXT S
[9]
HYDER D. N., 1966, J RANGE MANAGE, V19, P11, DOI 10.2307/3895517
[10]
MCCARTY MK, 1967, NCWCC24 RES REP, P83