共 15 条
[1]
Bouyoucos C. J., 1951, AGRON J, V43, P434
[2]
CHAO TT, 1960, THESIS OREGON STATE
[3]
CHENG H. H., 1963, SOIL SCI SOC AMER PROC, V27, P312
[4]
HEWITT EJ, 1952, COMMONWEALTH AGR BUR, V22, P86
[6]
Jansson S. L., 1958, ANN ROYAL AGR COLL S, V24, P101
[7]
RANKAMA K, 1954, ISOTOPE GEOLOGY, P234
[9]
RITTENBERG D, 1948, PREPARATION MEASUREM, P31
[10]
RUSSELL EW, 1961, SOIL CONDITIONS PLAN, pCH3