共 87 条
[71]
TAKAHASHI R, 1919, PHYTOPATH SOC JAPAN, V1, P17
[73]
Traaen A. E., 1914, NYT MAG NATURVIDENSK, V52, P19
[74]
*USDA, 1929, MONTHLY METEOROLOGIC
[75]
*USDA, 1919, 21 USDA
[76]
VANDERLECK CE, 1918, T ROY SOC CAN, V12, P1
[77]
VANDERLECK CE, 1917, T ROY SOC CAN, V11, P15
[78]
VASS AF, 1919, NY AGR EXP STA MEM, V17, P1039
[79]
Waksman S.A., 1927, PRINCIPLES SOIL MICR