共 11 条
[6]
CLARK DG, 1936, NY AGR EXP STA MEM, V196, P17
[7]
HOOVER SAM R., 1935, TRANS THIRD INTERNAL CONGR SOIL SCI, V1, P158
[9]
Steinberg RA, 1936, J AGRIC RES, V52, P0439
[10]
Physiological studies on Rhizobium VI Accessory factors
[J].
SOIL SCIENCE,
1936, 42 (03)
:231-240