共 14 条
[1]
BEATH OA, 1919, 120 U WYOM AGR EXP S
[2]
CHESTNUT VK, 1901, US DEP AGRIC DIV BOT, V26, P65
[3]
CRAWFORD AC, 1907, USDA BUR PLANT IND B, V111, P5
[4]
GLOVER GH, 1906, 113 COL AGR EXP STA
[5]
IRISH PH, 1889, OREGON EXP STA B, V3, P25
[6]
MARSH, 1916, 365 US DEP AGR B
[7]
MARSH CD, 1916, 365 US DEP AGR B
[8]
MILLER P, 1760, GARDENERS DICTIONARY, V2
[9]
NELSON SB, 1906, WASHINGTON AGR EXP S, V73, P46
[10]
OLSEN JD, 1977, AM J VET RES, V38, P277