共 9 条
[1]
COOK CW, 1966, 461 UT AGR EXP STA B
[2]
DRAWE DL, 1970, THESIS UTAH STATE U
[3]
EVANS RAYMOND A., 1961, WEEDS, V9, P216, DOI 10.2307/4040408
[4]
HULL AC, 1963, J RANGE MANAGE, V16, P192
[5]
HUNT O. J., 1962, CROP SCI, V2, P97, DOI 10.2135/cropsci1962.0011183X000200020003x
[7]
LAWRENCE T, 1966, 991 CAN DEP AGR PUB
[8]
PALMBLAD IG, 1966, THESIS U WASHINGTON
[9]
PLUMMER AP, 1955, 71 US DEP AGR AGR HD