共 7 条
[1]
BOAWN LOUIS C, 1960, SOIL SCI, V90, P329, DOI 10.1097/00010694-196012000-00003
[2]
BROWN A. L., 1964, SOIL SCI SOC AMER PROC, V28, P236
[3]
COOK R. L., 1957, Advanc. Agron., V9, P205, DOI 10.1016/S0065-2113(08)60114-5
[4]
HARRIS HC, 1948, SOIL SCI SOC AM PRO, V12, P278
[6]
LINDSAY WL, 1967, 1966 INT SOC SOIL SC, P305