共 29 条
- [3] BENNETT WILLIAM F., 1964, AGRON J, V56, P342
- [5] BREMNER J. M., 1955, J. agric. Set., V46, P320
- [6] NITROGEN METABOLISM OF PICEA GLAUCA (MOENCH) VOSS AND PINUS BANKSIANA LAMB . AS INFLUENCED BY MINERAL NUTRITION [J]. CANADIAN JOURNAL OF BOTANY, 1967, 45 (05): : 695 - +
- [9] HEWITT EJ, 1952, 22 COMM BUR HORT PLA
- [10] HILLCOTTINGHAM JG, 1969, J SCI FOOD AGR, V20, P662