共 12 条
[1]
COLE CV, 1950, SOIL SCI SOC AM PRO, V15, P84
[3]
DEB BC, 1949, J SOIL SCI, V1, P112
[5]
GORTNER RA, 1949, OUTLINES BIOCH
[7]
KARLSSON N, 1940, ANN ROYAL AGRICULTUR, V8, P405
[8]
SHERMAN M. S., 1942, Industrial and Engineering Chemistry. Analytical edition, V14, P182, DOI 10.1021/i560102a037