共 10 条
- [1] ALEXANDER J. T., 1954, PROC AMER SOC SUGAR BEET TECHNOL, V8, P370
- [2] ALLISON FE, 1965, AGRONOMY, V10, P573
- [3] BREMNER J. M., 1965, SOIL SCI SOC AMER PROC, V29, P504
- [4] BREMNER JM, 1965, AGRONOMY, V9, P1256
- [5] RECOVERY OF RESIDUAL NITROGEN BY CORN (ZEA-MAYS L) FROM VARIOUS SOIL DEPTHS AS MEASURED BY N-15 TRACER TECHNIQUES [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1971, 35 (02): : 290 - &
- [6] HARMSEN GW, 1965, AGRONOMY, V10, P43
- [8] PETERSON G. A., 1966, J AMER SOC SUGAR BEET TECHNOL, V14, P48
- [9] RHOADES H. F., 1954, Proceedings. American Society of Sugar Beet Technologists, V8, P71
- [10] ULRICH A, 1959, 766 CAL AGR EXPT STA