共 43 条
[1]
ADAMS LM, 1975, 7504 US DEP INT REP
[2]
ADRIANO D C, 1973, Journal of Environmental Quality, V2, P396, DOI 10.2134/jeq1973.00472425000200030022x
[5]
BASILEVICH NI, 1958, SOV SOIL SCI, V12, P1314
[7]
BRACKETT EE, 1970, 8488 US DEP INT INF
[8]
Bremner, 1971, INSTRUMENTAL METHODS, P1, DOI [10.2136/1971.instrumentalmethods.c1, DOI 10.2136/1971.INSTRUMENTALMETHODS.C1]
[9]
Bremner J. M., 1965, Monographs of the American Society of Agronomists, V9, P1149
[10]
CHAPMAN H.D., 1965, DIAGNOSTIC CRITERIA