共 18 条
[2]
ANDERSEN AJ, 1973, 278 RIS REP
[4]
FRANCIS CW, 1978, DOE TID27564 CRIT RE
[5]
MENZEL R. G., 1959, SOIL SCI SOC AMER PROC, V23, P110
[6]
NIFONTOVA M G, 1977, Ekologiya (Moscow), P78
[7]
NISHITA H, 1978, CR0336 US NUC REG CO
[8]
PAESIKALLIO A, 1979, ANN AGR FENN, V18, P174
[10]
ROMNEY E. M., 1959, SOIL SCI, V87, P160, DOI 10.1097/00010694-195903000-00007