共 18 条
[1]
A. SURGES, 1967, Soil Biology, P479
[2]
Alexander M., 1977, INTRO SOIL MICROBIOL
[3]
Anderson JP, 1982, AGRONOMY, V9, P831, DOI 10.2134/agronmonogr9.2.2-d.c41
[9]
HAYES MHB, 1984, COMP SYNTHETIC HUMIC
[10]
HOERING T C, 1973, P682