共 50 条
- [23] OBSERVATION OF THE NITROGEN-CONTENT OF RICE FIELD SOIL SOLUTIONS AFTER UREA PLACEMENT AGRONOMIE TROPICALE, 1987, 42 (01): : 13 - 19
- [24] Using a system of undisturbed, in situ soil lysimeters to determine nitrogen transformations in a sub-surface clay interface CONTROLLING NITROGEN FLOWS AND LOSSES, 2004, : 349 - 350
- [25] 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 AUSTRALIAN JOURNAL OF SOIL RESEARCH, 1976, 14 (01): : 75 - 83
- [26] ISOTOPIC STUDIES OF NITROGEN-BALANCE IN A CRACKING CLAY .1. RECOVERY OF ADDED NITROGEN FROM SOIL AND WHEAT IN GLASSHOUSE AND GAS LYSIMETER AUSTRALIAN JOURNAL OF SOIL RESEARCH, 1975, 13 (01): : 43 - 52
- [30] Transformations of nitrogen-15-labelled urea in a flooded soil as affected by floodwater algae and green manure in a growth chamber Biology and Fertility of Soils, 2000, 31 : 53 - 59