共 9 条
[2]
COLEMAN N. T., 1958, Advanc. Agron., V10, P475
[3]
LIMSTROM GA, 1960, 166 AGR HANDB
[4]
MOSCHLER W. W., 1960, SOIL SCI SOC AMER PROC, V24, P507
[5]
PEECH M, 1947, 757 US DEP AGR CIR
[6]
RICHARDS LA, 1954, 60 USDA HANDB
[7]
SHOOP G. J., 1961, AGRON7 JOUR, V53, P111
[8]
YUAN T. L., 1959, SOIL SCI, V88, P164, DOI 10.1097/00010694-195988030-00008
[9]
1967, SURFACE MINING ENVIR