| Impact ID | 3156 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Dual-cropping of Azolla pinnata in rice fields significantly reduced populations of Cyperus difformis, Persicaria punctata, Marsilea quadrifolia, Cynodon dactylon, Ludwigia parviflora, and Echinochloa crus-galli in Orissa, India. |
| Reference | 33866 |
| Great Lakes Region | No |
| Cost | |
| Location | |
