共 14 条
[2]
CONREY GW, 1927, P INT SOC SOIL SCI, V2, P212
[4]
HISSINK DJ, 1923, VELDBODE, V1006, P475
[7]
Acidity and acidimetry of soils II Investigation of acid soils by means of the hydrogen electrode
[J].
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US,
1920, 12
:457-464
[10]
PRYANISHNIKOV ND, 1928, Z PFLANZENERNAHR D A, V10, P232