Biologie Question #3899
Amie (Genre: femelle, Àge: 14 années) de West Harrison sur 9 juin 2007 demande:
How do you get rid of duck weed in a pond?
vu 16243 fois
La réponse
John Cross
répondu le 9 juin 2007
To solve this problem in the easiest and most friendly way, you need to change the ecological balance of your pond. For a quick fix, the best approach is to remove it. It takes time and patience and you will need to do it for a while. Scoop out as much as you can every day, day after day and throw it in the compost. For the long term you should eliminate the cause of duckweed by lowering the nutrient supply in your pond. Duckweed thrives on products of rotting material at the bottom of the pond, so if you clean out the black guck that has collected in your pond you will eventually reduce the amount of duckweed. Finally, you can introduce creatures that eat duckweed. Put in some fish, e.g. Koy, or ducks to eat the duck weed. As a last resort there are chemicals that kill duck weed, but I would not do that since the other methods work well and unless your pond is gigantic, they are not that hard to do. Here is a fact sheet on duck weed control from Ohio State University.
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