共 9 条
[1]
Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149
[2]
Dahnke W.C., 1973, SOIL TESTING PLANT A, P97
[3]
Jackson M.L., 1958, SOIL CHEM ANAL
[8]
SCHULTE EE, 1977, 6TH P SOIL PLANT ANA