共 37 条
- [32] Wall L. L. Sr., 1975, Journal of the Association of Official Analytical Chemists, V58, P1221
- [33] WEST NE, 1978, US IBP SYNTHESIS SER, V9, P244
- [34] Westerman R. L., 1978, US/IBP Synthesis Series, V9, P75
- [35] MEASURING SOIL-NITROGEN MINERALIZATION UNDER FIELD CONDITIONS [J]. AGRONOMY JOURNAL, 1980, 72 (06) : 1009 - 1012
- [36] WIERENGA PJ, 1987, IN PRESS J ARID ENV, V12
- [37] 1985, SAS USERS GUIDE STAT