共 6 条
- [1] A N-15-TRACER STUDY TO DIFFERENTIATE NITROGEN SUPPLY TO FLOODED RICE PLANTS BY AZOLLA AND ANABAENA DURING THEIR EARLY AND LATER STAGES OF DECOMPOSITION INDIAN JOURNAL OF AGRICULTURAL SCIENCES, 1984, 54 (09): : 733 - 738
- [2] TURNOVER OF N-15 AMMONIUM-SULFATE WITH DICYANDIAMIDE UNDER AEROBIC AND ANAEROBIC SOIL-CONDITIONS FERTILIZER RESEARCH, 1991, 29 (02): : 191 - 196
- [3] FATE OF FERTILIZER N-15 APPLIED AS UREA AND AMMONIUM-SULFATE IN OPIUM POPPY (PAPAVER-SOMNIFERUM L) GROWN UNDER GREENHOUSE CONDITIONS FERTILIZER RESEARCH, 1992, 32 (03): : 327 - 332