共 50 条
- [5] EFFECT OF DUCKWEED (LEMNA-MINOR) AS COMPLEMENT TO FERTILIZER NITROGEN ON THE GROWTH AND YIELD OF RICE INTERNATIONAL JOURNAL OF TROPICAL AGRICULTURE, 1990, 8 (01): : 72 - 79
- [10] COBALT-COPPER AND COBALT-ZINC EFFECTS ON DUCKWEED GROWTH AND METAL ACCUMULATION JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL, 1994, 29 (01): : 63 - 81