共 21 条
- [11] OVINGTON J. D., 1962, ADVANCES ECOL RES, V1, P103, DOI 10.1016/S0065-2504(08)60302-5
- [15] RICHARDS BN, 1965, FOREST SOIL RELATION, P104
- [16] EXTRACTION OF ORGANIC NITROGEN AND AMMONIUM FROM SOIL WITH HYDROFLUORIC ACID [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1967, 31 (01): : 71 - +
- [17] Stone E. L., 1965, Forest soil relationships in North America., P117
- [19] CHARACTERIZATION OF DRY MATTER AND NITROGEN ACCUMULATION BY LOBLOLLY PINE (PINUS TAEDA L.) [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1966, 30 (01): : 114 - &
- [20] WELLS CG, 1964, SE22 USDA FOR SERV S