共 19 条
[1]
BENNISON H, 1963, PERSONAL COMMUNICATI
[2]
BIRCH H. F., 1960, TROP AGRIC [TRINIDAD], V37, P3
[3]
BIRCH H. F., 1960, Plant and Soil, V12, P81, DOI 10.1007/BF01377763
[4]
BLACK CA, 1965, METHODS SOIL AN 2 ED, P1338
[5]
BREMNER JM, 1965, METHODS SOIL ANALY 2, P1338
[7]
FERRARI J, 1967, 2 INT SOC SOIL SCI C, P345
[8]
FERRARI J, 1967, 4 INT SOC SOIL SCI C, P345