共 17 条
[2]
FULTON ND, 1954, THESIS U WISCONSIN
[3]
HANSON EW, 1954, USDA YEARBOOK AGRICU
[4]
HEINZE PH, 1940, 314 MISS AGR EXP STA
[5]
JEFFERS RL, 1951, THESIS U WISCONSIN
[6]
JENSON EH, 1952, THESIS U WISCONSIN
[7]
KILPATRICK RA, 1954, PHYTOPATHOLOGY, V44, P252
[8]
RUELKE CO, 1956, PLANT PHYSIOL, V31, P364
[10]
TORRIE JAMES H., 1955, AGRON JOUR, V47, P224