共 21 条
[1]
BIRCH H. F., 1958, Plant and Soil, V10, P9, DOI 10.1007/BF01343734
[3]
Conway E. J., 1950, MICRODIFFUSION VOLUM
[4]
DOUGLAS L. A., 1959, SOIL SCI, V88, P305, DOI 10.1097/00010694-195988060-00001
[7]
GUILLEMAT J., 1957, Annales des Epiphyties, V8, P185
[8]
HENNIG A, 1958, ZEISS WERKZ, V30, P78
[9]
HEUKELEKIAN, 1926, 4 ACT C INT PED ROM, V3, P216