共 62 条
[41]
RENNERFELT E, 1933, CENTRALANST FORSOKSV
[42]
RICHARDSON AEV, 1934, REPORT WAITE AGR RES, P25
[43]
ROBERTSON H. T., 1932, SCI AGRIC, V12, P575
[44]
Rosen HR, 1923, J AGRIC RES, V25, P0351
[46]
Samuel G, 1932, PHYTOPATHOLOGY, V22, P827
[47]
SANFORD G. B., 1933, Scientific Agriculture, V13, P638
[48]
SANFORD G. B., 1933, SCI AGRIC, V13, P364
[49]
Sanford GB, 1926, PHYTOPATHOLOGY, V16, P525
[50]
SCHAFFNIT E., 1933, PHYTOPATH ZEITSCHR, V5, P493