共 20 条
[2]
BAVER LD, 1946, SOIL PHYSICS
[3]
BONNET JA, 1950, 4TH T INT C SOIL SCI, V1, P281
[4]
FUHRIMAN DK, 1951, P R AGR EXP STA B, V35, P1
[5]
HAINES WB, 1923, J AGR SCI, V13, P297
[6]
HARDY F., 1947, TROP AGRIC [TRINIDAD], V24, P76
[7]
MINERAL CHARACTERISTICS OF SOME SOILS OF PUERTO-RICO
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1952, 16 (03)
:310-311
[8]
Jeffries Charles D., 1947, SOIL SCI SOC AMER PROC, V11, P211
[10]
KELLEY WP, 1948, CATION EXCHANGE SOIL