共 13 条
[1]
ARNY AC, 1932, VARIATIONS ORGANIC R
[2]
COMES R. D., 1965, WEEDS, V13, P81, DOI 10.2307/4041140
[3]
FOY C. L., 1965, WEEDS, V13, P15, DOI 10.2307/4041087
[4]
HODGSON JM, 1968, 1382 US DEP AGR TECH
[6]
JORDAN L.S., 1964, WEEDS, V12, P5, DOI 10.2307/4040625
[9]
RASMUSSEN L. W., 1956, Weeds, V4, P343, DOI 10.2307/4040172
[10]
REED CF, 1970, 366 US DEP AGR HDB