Problems GROWING DUCKWEED On A Small Scale (Homestead Aquaculture)
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- Опубликовано: 9 авг 2023
- Growing duckweed sounds great but what you don't often read is the downsides of growing duckweed and the problems getting duckweed growing well enough to use it as a viable feed for fish and other livestock.
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Thanks for watching!
Steph and Chris
#duckweed #aquaculture #aquaponics
I'm also one of those few who can't get duckweed to grow.
Apparently I have too much water movement.
Awesome! I just started growing them in a bucket hoping they will thrive here in the desert. You can probably use chicken wire tied into a cylinder as a "safe haven" from the fish, this way there's a symbiotic benefit to having them in your pond but not risk losing them all...
Great video, I've only just now found your channel and I'm really impressed with it!
A lot of what I know about duckweed is its potential for a source of bioremediation, renewable energy, and (of course) a prolific protein source. However, based upon their application there are different species that are recommended by the literature. If you mentioned what species you're using in the video, then I apologize I must have missed it, but if not then maybe switching the species (from what I've read, those within the same genus have similar potentials within their uses) may help the issue.
Also, I want to hit the point home that this comment is based on reading and background knowledge within biology. I have no direct experience trying to grow duckweed, but as it's been the hot topic within environmental and ecological studies I've read a fair amount about the plant at this point. Wishing you luck!
Glad you enjoyed the video. Since we did this video we have kept experimenting and have had a bit more success (will post something about that in the nearish future). Its Lemna minor that we are using (lesser duckweed). We actually were able to use some this winter feeding our silkies and they really liked it fresh (I know the water content is higher fresh but in the winter that's not terrible either for the birds). I'm actually a biologist as my "normal" job and that's what got me into the research as well on growing it. I need to do another video on this soon!
@@HickorycroftFarm I had a feeling you were a biologist based on the way you speak! Finishing up my bachelors right now and looking towards grad school to *hopefully* do the same.
Thanks for the reply. Looking forward to that video in the future.
I remember a pond full of Duck Weed as a child. The banks of the pond were hopping with frogs and slithering with Garter Snakes. It was such a vibrant environment, now it is a subdivision. No evidence of a pond.
What your lacking is nitrogen, we use cow manure. If your neighbors have cows or pigs, ask to scoop up a 5-gallon bucket full and you'll be able to feed your duck weed. Nitrogen is the #1 nutrient that duck weeds needs, the soil and the grain waste wash water just doesn't have enough nitrogen for good growth. What I would suggest if you don't have access to manure, is place a large container alongside your fish tank just slightly higher. Run a small pump that will pump your fish water to the duck weed container and have it overflow back to the fish tank. Not only will you feed your duck weed it will take that nitrogen/ammonia and cleaner water will flow back to the fish. Thats why its working in your guppy tank, there nitrogen load from the fish, but for this system to work you need a large amount of fish. If your juts running a handful of fish they never will produce enough waste to feed the duck weed.
Do you need to run an air pump for duckweed? I know that they prefer still water but don't they also need oxygenated water?
Just add a pump to extract some of the waste water from your fish and feed that to the Duckweed that has no fish in it.
check NASA research they have been growing Duckweed for the international space station for years