共 16 条
[6]
JACKSON ML, 1947, J AM SOC AGRON, V39, P623
[7]
KEARNEY PC, 1970, ENV SCI TECHNOL, V4, P1098
[10]
Murphy J., 1962, ANAL CHIM ACTA, V27, P31, DOI DOI 10.1016/S0003-2670(00)88444-5