共 19 条
[3]
BREMNER J. M., 1965, SOIL SCI SOC AMER PROC, V29, P504
[4]
COPERSUCAR, 1985, RELATORIO ANUAL COOP
[6]
DOBEREINER J., 1961, Plant and Soil, V15, P211, DOI 10.1007/BF01400455
[7]
Keeney D. R., 1982, Methods of soil analysis. Part 2. Chemical and microbiological properties, P643
[9]
Matsui E., 1981, ASS N2 FIXATION, V2, P153
[10]
Neves M. C. P., 1983, Revista Brasileira de Ciencia do Solo, V7, P131