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Worm Bins and Vermiculture
Earthworms are the easiest livestock on our farm, but they serve a very important purpose, increasing the fertility of our soil. We're still experimenting with the best way to incorporate them into our permaculture system. Start from the bottom to read our adventures in order.
Posts tagged worms:
The biggest mistake I made
with the do it
yourself garden cart worm bin was to not allow enough space at
the bottom for the tea to drip to.
The next error was to use a
drinking container spigot as a drain valve. It needs to be bigger with
the ability to be turned on and left on as opposed to the push button
mechansim of the spigot.
The good news is that the
worms did great! Which goes to show you how easy it is to grow your own
worms. Once the kinks are worked out I think this garden cart will make
a fine over sized worm bin. One that will provide buckets and buckets
of compost tea in the future.
Since the do
it yourself golf cart dump box is working out so well we've
decided the Heavy
Hauler garden cart can
start its new carreer as a large
outdoor worm bin.
It took less than an hour to
scrounge around for the parts and put it all together.
The spigot was salvaged from
a thrift store drink dispenser. (Thanks
Mom)
I used a couple of 2x2's cut
to 30.5 inches for the bottom support and modified a portion of the willow wall to function as the floor. A small
gap at the bottom helps to prevent the spigot from clogging and worms
from drowning in their own tea.
Being on heavy wheels makes
it easy to manuever and tilt for the most effecient drainage
In looking for ideas to
expand our outdoor worm
farming I found this
clever use of a discarded bathtub as a medium sized worm bin at the pleasant lifeboat.co.nz.
We've decided to give this
approach a try along with a few others so we can determine which one is
most trouble free.
If you've got a good source
of horse manure then you really need to put a
small army of worms to work on that manure to speed up the composting
action and take advantage of that wonderful worm tea. It's one of those
things we neglected to set aside time to build back in the beginning, but sometimes it takes a while to wake up to the wonders of worm assisted home grown
compost.
Meet
our newest dwarf citrus --- Washington Navel Orange. Isn't she
cute?

Unfortunately, she is
the textbook definition of rootbound. One large root had
literally grown all the way around the perimeter of the pot...although
the plant had eschewed the stagnant dirt in the pot's bottom.
When I asked Mark
to buy me a pot, he came up with the absolutely best pot
possible. Notice how shallow and wide this pot is? No more
wasted soil on the bottom of the citrus pot!
I teased the orange's
roots out and planted the tree in a mixture of partially decomposed
horse manure and storebought
compost. I
usually try to use worm castings or stump
dirt for repotting,
but I'm all out! If the little orange tree seems to be
struggling, I'll pop it back out and hunt down some better soil.
Want to quit your job and
move back to the land? It's not as hard as you might think to
fund the adventure. Check out our microbusiness ebook to learn how.
The
permaculture way is to mix your own compost out of homegrown goodies
and waste products from nearby, but our garden has grown faster than
our capacity to come up with free compostables. Last year, I
top-dressed each of our vegetable garden beds with about 2.5 gallons of
composted
horse manure (equivalent to about 0.2 inches of compost, for a
total of about 3 cubic yards), and I felt like the garden
didn't grow as much as in previous years despite additional
mulch. Feeding the soil is a necessity, so we've broken down and
bought storebought compost to allow us to double the application rate
for this year.
As always, I have lots
of crazy plans for creating as much compost as we need within the next
year or two. Here's a rundown of the top contenders:
- Horse manure. We've
got a steady annual supply of around two to three cubic yards of horse
manure from the neighbors. In the past, we've been guilty of
applying some manure which was only semi-composted because we needed
more organic matter immediately. This year, I'm hoping the
storebought compost will tide us over so that we can run fresh manure
through a worm bin for use next year.
- Black soldier flies are on the
horizon for this year, primarily because we want the free, high protein
food to supplement the bugs our chickens will peck up naturally in the
soon-to-be-built forest pasture.
If we find a source of free food scraps (difficult since we live so far
from town and only make the trip once a week, on average), we could
potentially create quite a lot of compost in the black soldier fly bins.
- Compost tea from the worm
bin and the black soldier fly bins. In the past, our summer
worm bin has been on the ground, which means all of the high
quality tea leaches out into the surrounding soil. Mark's going
to build new bins for this summer that collect the tea --- now I'll
have enough to use on plants other than the potted citrus!
- Compost piles. In
the past, I've never had a compost pile, because I just threw the weeds
and food scraps to the chickens or used them to build new raised
beds. This year, I hope to build some compost piles in the forest
pasture to serve double duty as an insect reservoir for the chickens
and a way to supplement my other sources of compost. Potential
components in these piles include leaves raked out of the woods, weeds
pulled from the garden, wood chips and/or sawdust if we can find a free
source, urine, manure from the chickens (naturally added as they
scratch), duckweed,
and comfrey
leaves from my expanded patch.
I've got a whole 'nother
set of goals for the mulch that goes on top of the compost, but this
post is already too long! By the way, the careful reader will
have noticed that I included a photo of the year's first dandelion ---
I guess this spring isn't a
solid week behind last year's spring, at least according to the
dandelions.
Reports of first frosts
trickle down to me from friends in New England. We're supposed to
be safe in southwest Virginia until October 10, but I can feel the
change of season pushing against our garden. Tuesday, I scurried
around freezing the year's last batch of corn along with some okra and
broccoli. Cross-striped cabbage worms had crept in amid the
broccoli florets while I ignored the garden last week, so I tried to
soak the heads in salt water with little success, instead ending up
just picking off the caterpillars.
Still to be harvested this week are peas,
swiss chard, green beans, basil, and summer squash (ate our first
squash from the fall bed Monday!). We might even dig up
our sweet potatoes since they need a warm
curing period just like winter squash.
Suddenly, other projects
are also asserting their importance. That water line we nearly
buried in the spring needs to be finished, our bathing and chicken waterer construction
shed looks awfully important all of a sudden, and even the worm bin
will require some care to bring it through the winter. Since we do our
laundry in a wringer washer outdoors and dry the clothes on the
line, now's a good time to hurry up and wash all of our bedding before
cold weather makes drying comforters impossible. We'd also
like to turn our broken fridge into a cheap root cellar, but that
project may not make it onto this year's agenda. Fall sure is a
busy season!

What makes a good worm bin better? A series of multiple levels that
takes advantage of gravity, making it easy and fun to harvest the super
valuable worm juice.
You can spend about a hundred bucks on a fancy
commercial worm bin complete with drain spout, or you can build
your own home made
worm bin for well under half of that and use the left over cash to
build a 2nd unit. Why build another one? It might help to experiment
with some different kinds of worms to better match your climate, and 2
cups of worm juice is better than one.
The difficult part of outdoor worm bins is finding a warm place to move
them in the winter or rigging up some sort of passive solar or electric
blanket set up to keep the little rascals from freezing.

If you've ever wanted to have a table that eats food scraps and
entertains you with visions of worms crawling about, then Amy Young
has an interesting design you can build if you've got the stomach for
it.
It's basically a fancy worm bin with a low light security camera wired
up to an LCD screen embedded into the table for your viewing pleasure.
I like the idea, but wonder about the smell level and the possibility
of a fruit fly problem?
Our movie star neighbor has an absolutely
stunning Dwarf Meyer Lemon that he brings inside for the
winter. Last year, he got 91 delicious lemons from a tree no more
than three feet tall (though more like six feet wide.)
Mark's mom heard us enthusing over our neighbor's tree, and Christmas
2007 a baby lemon tree was waiting for us at her house. We put
our tree in a five gallon pot, showered the lemon with love, compost
tea, and vermicompost, and ate
our first four lemons at this time last year.
This year, there are two big fruits starting to ripen, seven baby
lemons no more than a couple of inches in diameter, and another passel
of blooms just opening. But as you can see in the photo above,
the older leaves are starting to look chlorotic (turning yellow between
the veins), denoting a nutrient deficiency. Our movie star
neighbor fertilizes his tree regularly with Miracle Grow, but we're
trying to go the organic route. This spring, we topdressed with a
gallon or two of compost, which prompted scads of blooms, but our lemon
has clearly worked her way through all of the nutrients. I fed
her again this week, this time with a gallon of composted horse manure,
and am hoping that the recent rain has washed enough nutrients over her
roots to keep her producing.
Mark dreams of some day having two mature dwarf lemon trees, which we
figure would be just about enough to keep us in lemons all year.
I'm hoping our dwarf tangerine (a year younger than our lemon) will
join the mix and keep us citrified. Citrus is often one of the
hardest things for locavores to give up, and we'd like to avoid that
sacrifice.
We've learned a lot about
animals this year too. Strider joined our
menagerie and has since become an indispensible purrer. Now
that our pet count has reached three, we've gotten a bit more serious
about bad behavior. Last year, it seemed like Lucy picked a
couple of garden beds and lay on them every day or so, crushing all of
the vegetables there. Huckleberry would also pick favorite beds
and tear up young seedlings in the loose soil.
This year, we've pretty much nipped that behavior in the bud.
When I see the first signs of pet damage in the garden, I loosely stack
branches on the bed to keep all animals out. The branch technique
seems to be 100% effective, and branches can be safely removed once the
veggies get tall enough to make a scratchy bed.
We've also added two new types of livestock to our farm this year --- earthworms
and honeybees.
We're still learning how to make the best use of them, but I'm thrilled
to learn that both are relatively easy and that honeybees aren't
scary. Probably by this time next year, I'll have something more
to say about bees and worms.
This post is part of our Third Year of Homesteading lunchtime series.
Read all of the entries:
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Eventually,
every homesteader will be faced with the thorny issue of
livestock. Chances are that your homesteading dreams included
lots of animals giving you fresh milk, eggs, and meat. The
reality,
though, is that animals can use up your time so quickly that you're
working for them instead of vice versa.
My first piece of advice for new homesteaders is to make a distinction
between pets and livestock. Use your own judgement on the pet
front --- we love our cats and dog and believe that the time we put
into them is totally worth it for our own mental stability. We don't even pretend that
our pets pull their weight on the farm with their limited
mouse-catching and deer-chasing abilities. But we also know that having
more than our current two cats and one dog would be too much for us to
handle.
In
the world of livestock, as I mentioned earlier I do recommend that all
homesteaders start out with a worm bin. Most homesteaders will
also be able to handle a few chickens either their first or second
year, especially if they are careful to start small. If you are
big
honey eaters the way we are, I would recommend getting honeybees around year two
or three, once you're established and have a bit of time to devote to
their care.
What
about bigger animals? We divide larger livestock into three main
categories --- draft animals, dairy animals, and meat animals.
Due to
our own failed experience with mules, I recommend that unless you've
had experience with draft animals in the past and have at least an hour
a day to devote to them, you save draft animals for later (if
ever.) To me, dairy animals are in the same boat --- you need to
be willing to be tied down twice a day for the rest of your life.
(With just our pets, chickens, bees, and worms, we can go out of town
for a few days without needing to find a farm-sitter.)
If you want to branch out beyond worms, bees, and chickens, I
would start with meat animals. Even so, I wouldn't consider
embarking on the project unless I had a good pasture and a place to
store hay for the winter. Small meat animals like poultry and
rabbits might fit into year three or four of your ten year plan, but I
suspect that larger animals would be closer to year nine or ten.
Of course, as with all parts of your homesteading plan, you should
decide what's most important for you. If all you've ever dreamed
about is having a milk cow, then by all means move it up to year two
and put off the garden until year four. After all, the best part
of a homestead is the way it allows you to choose your own
adventure. Don't forget to have fun!
This post is part of our Starting Out on the Homestead lunchtime
series.
Read all of the entries:
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Unless
you happen to have bought a farm from an organic gardener, chances are
that fertility should be your first concern when it comes to
gardening. Although I don't recommend that beginning homesteaders
do much in the way of livestock, I do believe that everyone should
start a worm
bin immediately. Worms take nearly no time and create some
high quality compost to get you started.
If you have a half hour per day to put into
the operation, I also recommend that you build
a chicken tractor with two to five chickens in it. (Start
small!) You can use the chicken
tractor to add fertility to worn out parts of the soil while you
start gardening in higher quality areas.

Next, start scrounging for free fertility in the surrounding
area. If you live in town or near town, stock up on
garbage bags full of leaves in the fall. If you're out in the
country, start asking your livestock-owning neighbors what they do with
their manure.
Chances are they'll give it to you for free if you haul it away.
If your farm has a large wooded area attached, you should also go out
hunting stump
dirt, which is some of the best potting soil around.
Stop and chat with the tree cutting folks and ask them if they will
dump some mounds of wood chips in your yard --- they often need a way
to dispose of these chips and will give them to you for free. Be
aware that you need to let wood chips rot for a couple of years before
using them as mulch.
Building the fertility of your soil is a long term investment in your
land. Not only that, mulch will cut your weeding work in half
while increasing yields. You will have a better garden in the
long run if you hunt down fertility sources before planting a huge
garden.
This post is part of our Starting Out on the Homestead lunchtime
series.
Read all of the entries:
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I
have a dirty little secret. I'm an organic gardener, and I
don't compost.
Ssh! Don't tell anyone!
Every organic gardener I
know is obsessed with their compost pile, with
the perfect mix of browns and greens, the perfect temperature, the
perfect moisture content. But I'm lazy, lazy, lazy. I take
my food scraps and I toss them to the chickens, then I let the chicken
manure drop straight into the soil. I only harvest the results
two times removed when I mulch
with grass clippings.
I also truck in horse manure from a neighbor and use pulled weeds to
build new raised beds.
My worm bin does create
compost from the few food scraps chickens won't
eat, but only a gallon or two at a time. Just right for our
potted citrus, but not for much else. Lately, I've been
experimenting with ways to increase our output, and my newest
experiment is to soak cardboard and add it to the bin. I've been
looking for a good use for our junk paper and cardboard --- so hard to
recycle when you live an hour from the nearest recycling center.
It's early days yet, but I have high hopes that the cardboard will add
to our vermicompost.
On the other hand, if you want to go the traditional composting route, you might want to check out this page of composting pointers which Everett put together. It's got short, sweet, and to the point articles about why and how to compost.
In
a permaculture situation, worms have other uses beyond soil
health. The best example comes from Harvey Ussery, who has built massive
worm bins in his greenhouse. He uses the worms to create
compost and also harvests the worms as a high protein treat for his
chickens. Maybe someday we'll have that many worms!
This post is part of our Earthworms in the Garden lunchtime series.
Read all of the entries:
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How
about in the garden? Earthworms can be very useful, speeding up
decomposition of organic matter and working it into the soil.
Their burrows also form channels which fluff up compacted soil and give
roots an easy avenue to grow down. So far, I haven't seen anybody
saying anything negative about earthworms in an agricultural setting,
though please comment if you know otherwise!
The best way to expand
your garden's earthworm population is to go
no-till. One study suggested that tilling up a garden dropped the
earthworm population to a third of its former levels. Mulching is
another way to increase your earthworm levels, as is adding lime to
raise the soil's pH. Chemicals are a definite no-no if you want
worms.
This post is part of our Earthworms in the Garden lunchtime series.
Read all of the entries:
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If you live north of the glaciation line, you
might want to check out this pdf
key to invasive earthworms. You can read about the ecological
groups of earthworms here,
and can also see photos of some of the worst invasives. We should
all be very careful about any earth-moving operations which can
introduce invasive worms, and should definitely refrain from dumping
excess bait worms in the wild.
The question I really wanted answered, though, was --- should I hunt
down my vermicomposting worms and smash them? Lumbricus rubellus is an
invasive species which is occasionally used in worm bins.
Luckily, most vermiculture worms are Eisenia
fetida, a species that appears to be safe to use, even though
it's not from around here. You can identify the troublesome L. rubellus
by its dark red to maroon color with a yellow underside and no striping
between segments. If you have it, kill it! Luckily, it
looks like our worms are Eisenia.
This post is part of our Earthworms in the Garden lunchtime series.
Read all of the entries:
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Just
because we have native earthworms, though, doesn't mean that the
invasives aren't a problem. We've introduced species from
elsewhere for bait, vermicomposting (gulp!), and accidentally in plant
roots.
The biggest problems from these invasive earthworms is occurring in
previously glaciated areas where native earthworms don't occur.
There, invasive earthworms are totally changing soil dynamics by eating
up the duff (leaf litter) on the forest floor, which in turn affects
the trees and wildflowers which grow there.
Even down here in the South, we have invasive earthworms. When
competing with native earthworms, invasives tend to gain a foothold in
disturbed and fragmented forests. Scientists are beginning to
realize that invasive earthworms down here may be linked to the spread
of invasive plants like the extremely troublesome Japanese Stiltgrass
and might also compete with our forest salamanders.
This post is part of our Earthworms in the Garden lunchtime series.
Read all of the entries:
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In gardening circles, worms are considered
a panacea. In ecological circles, though, you'll hear talk of the
dangers of invasive earthworms. So, what's the dirt on wrigglers?
I've heard it bandied about that there are no native earthworms in the
U.S. Wrong. The Wisconsian glaciation, which ended 12,000
years ago, did wipe out
earthworms under the ice, but this only affected the northernmost
states. Since then, the native worms have advanced back north a
bit past the glaciation line.
Here in southwest Virginia, we've got native worms. Unless you
live out west or way up north, you probably do too.
This post is part of our Earthworms in the Garden lunchtime series.
Read all of the entries:
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I've spent all week writing and editing so that I could turn in the
first complete draft of my book yesterday. Words may be a bit
scanty on the blog over the next few days as the well refills.
For now, enjoy a visual journey through our garden. Self-seeded
chamomile and poppies are blooming, the sweet potatoes are rooting, the
worms are slithering, and the peaches are swelling.

Worms are one of our newer
permaculture additions to the farm. Just like chicken tractors,
worm bins add animals and fertility back to the garden ecosystem in a
controlled manner. You can read about our experiments with an
indoor worm bin here.
Last week, I decided it was time to move our worms to larger quarters
outdoors. Although we'd been planning on trying an outdoor worm
bin eventually, the move was mostly the result of a mistake I
made. All winter, I kept the bin healthy by feeding the worms
solely on Mark's tea bags. But a month or so ago I started
cleaning out our winter stores, throwing in a lot of rotting sweet
potatoes and nasty frozen peaches. It was way too much food all
at once (and too wet because of the peaches), so we ended up with a
fruit fly paradise.
When we have time, we'll probably make a more professional outdoor worm
bin, but for now I put a quick one together in an afternoon. I
placed a few cinderblocks in a rectangle to form a basic perimeter,
spread my current worm bin contents over the ground in the center, and
topped it all off with a load of grass clippings from the mulching
lawnmower. It's essential that worms stay cool and damp, so I put
the outdoor bin in the shade behind the trailer where it also gets
runoff from the roof. In a few weeks, I'll give you an update on
how our exterior bin is doing!
This post is part of our Permaculture lunchtime series.
Read all of the entries:
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I've been
thinking about doing a worm box but I'm a little scared of
it. Where do you keep your box? Would it be too cold if I kept them in
a garage?
--- Erin
I've been meaning to post a
worm update for a while, so I appreciate the question. The savvy
reader will recall that we were given a
bunch of worms three and a half months ago and made
them a low tech worm bin which gave us a bunch of compost tea a
month later. And then I stopped talking about them.
The reason you didn't hear any more about worms is because they are
the easiest livestock you'll ever have....
Our worms seem to be having a good time in
their worm box, though the cold makes them a bit sluggish.
We put the box under the sink where there's a bit of drip, so water
slowly works its way through the composting leaves and organic matter
to collect in our bottom container. The drip keeps the worms
nicely damp and has also made us quite a bit of delicious compost
tea.
Since I started watering our lemon tree and tomato with the compost
tea, they've both been growing much faster.
Yay for compost tea!
Worms! Some
slightly dehydrated annelids arrived Thursday. Most had crawled
out of the box and into the paper wrapping, which Dennis had luckily
taped very well before mailing. Thank you so much, Dennis, for
the new additions to our farm!
I re-wet the leaves in our worm box and put the little wrigglers
in. Most sat on the surface, stunned, but a day later they had
spread down among the wet leaves where I had to dig to find them.
They didn't seem to have touched
the tea bags which I buried as starter food, but worm castings were in
evidence.
For those not in the know, the worm of choice for vermicomposting is
red wrigglers, a name referring to two species which are both a good
deal smaller than the worms you
probably dig up in your garden on a regular basis. I've never
tried vermiculture before, so I'll be sure to keep you updated about
their adventures, though will try to refrain from my urge to poke at
the worms several times a day to see what they're up to.
I hate to leave folks
dangling, so I feel obliged to give a heads up on a few projects which
don't yet merit a full post.

The wriggling worms didn't make it into my grubby little hands
Wednesday, but our buddy promised to mail us some soon. So
hopefully sometime in the next few weeks I'll get the worm bin up and
running!
In between cutting wood and a thousand other projects, Mark and I have
been working on our water problems all week. Mark got the big
pump in the creek running again, so our thousand gallon tank is full of
wash water. Meanwhile, I figured out that the reason our well
pump wasn't running was because it was unplugged, though I didn't get it
pumping since there's ice in the line.
The biggest part of the water project is burying the lines, which Daddy
warns must be done at a two foot depth to prevent freezing. I'm
so bad at judging the time it will take to complete farm projects, so I
put that on my agenda to complete for Wednesday --- the picture here
shows the 5% of the trench I've dug since then. Currently, we're
musing over whether it'd be cost effective to rent a ditch witch.
Finally, I got my web design, grant writing, and biological
inventorying website
up and running. Check it out, and give me a holler if you have
any projects to send my way! I'm at the stage where I could
really use some word of mouth pointing folks toward my consulting
business. Thanks in advance!
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We got our worms for free from a friend. Once they get going, you tend to have enough to give a start to someone --- you might ask your friends with worm boxes if anyone has a start for you. (Ours haven't gotten that numerous yet, unfortunately.)
You will need to keep it in a place above 50 degrees F, but in the summer that can be outside in the shade. (Not in the sun!)