共 20 条
- [1] BECKMANN GG, 1960, CSIRO DIVISION SOILS, V37
- [3] COLWELL JD, 1963, AUSTR J EXPT AGR ANI, V3, P192
- [4] ISOTOPIC STUDIES OF NITROGEN-BALANCE IN A CRACKING CLAY .3. NITROGEN RECOVERY IN PLANT AND SOIL IN RELATION TO DEPTH OF FERTILIZER ADDITION AND RAINFALL [J]. AUSTRALIAN JOURNAL OF SOIL RESEARCH, 1976, 14 (01): : 75 - 83
- [5] FINNEY K. F., 1957, AGRON JOUR, V49, P341
- [6] GRASWELL ET, 1974, SOIL BIOL BIOCHEM, V6, P127
- [7] HEADY EO, 1955, AGR EXPT STATION IOW, V424
- [9] DETERMINATION AND ISOTOPE-RATIO ANALYSIS OF DIFFERENT FORMS OF NITROGEN IN SOILS .6. MINERALIZABLE NITROGEN [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1967, 31 (01): : 34 - +