共 7 条
- [1] BALL R, 1979, NEW ZEAL J EXP AGR, V7, P1
- [2] Brougham R. W., 1975, Proceedings of the Ruakura Farmers' Conference 1975, 27th Conference, Hamilton, New Zealand., P65
- [3] Harmsen G.W., 1965, SOIL NITROGEN, V1856, P43
- [5] MASTERSON CL, 1976, SYMBIOTIC NITROGEN F, V7, P299
- [6] RIJKSE WC, 1972, NEW ZEAL J AGR RES, V15, P117
- [7] SEARS P. D., 1965, NEW ZEAL J AGR RES, V8, P270