共 16 条
[2]
BREMNER J. M., 1965, SOIL SCI SOC AMER PROC, V29, P504
[3]
BREMNER JM, 1966, USE ISOTOPES SOIL OR, P429
[5]
HAUCK RD, 1964, SOIL FERTILIZER NITR, P97
[6]
HAUCK RD, 1982, AGRONOMY, V9, P735
[7]
HUSER R, 1963, USE ISOTOPES SOIL OR, P457
[8]
MCINTEER BB, 1980, LAUR80245 US DEP EN
[10]
Perry R. H., 1973, CHEM ENG HDB