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Compost
Happens!
Hot
tips for composting in cool climates
By
Marion Owen, Fearless Weeder for PlanTea, Inc. and
Co-author of Chicken Soup for the Gardener's Soul
Making
compost is like baking a cake!
My neighbor,
Mrs. Crayneck, is a great baker. But when her world famous
banana bread doesn't turn out quite right, she doesn't sweat
the small stuff.
"What's
the worst thing that can happen?" she says. "I just
put it in the compost pile!"
Sooner
or later gardeners come across the word "compost."
As easy as it is to say, compost has a reputation for being
difficult to master. Yet nothing could be further from the
truth. If I can make hot, 160-degree compost during an Alaska
winter, you can too--no matter where you grow your tomatoes.
It's easy. In fact, you can compost 163 materials! Here's
how...
"If
you can read, you can cook!"
One day,
when I was 12 and still climbing trees, Mom came into the
kitchen and said, "Honey, how about making dessert for
tonight?"
Having
just endured months of salad-making for our family of seven,
I was ready for a change. Mom picked up an old copy of Gourmet
cookbook and started flipping through the pages. It was like
watching Wheel of Fortune.
Finally,
she pressed her finger to a recipe and said, "Here you
go, make this."
Her finger
pointed to a chocolate souffle recipe. I was stunned. "Don't
worry sweetie," she said. "If you can read, you
can cook."
So began
my love affair with cooking. That experience also taught me
a fundamental lessons: You can do whatever you set your mind
to. And if you need help, follow a recipe, like Mrs. Crayneck,
whether you're building a house, installing software, or making
compost.
Let's
begin this lesson by de-mystifying compost. We'll make it
easier by following a recipe. And as you'll see, making a
compost pile is a lot like making a cake. And we can do it
in 3 easy steps.
- Gather
up your ingredients
- Stir
them together, and
- let
it cook. Even Bette Midler knows the value of compost...
Why
the Divine "Miss M" loves compost
"My
whole life has been spent waiting for an epiphany, a manifestation
of God's presence, the kind of transcendent, magical experience
that lets you see your place in the big picture. And that
is what I had with my first compost heap. I love compost
and I believe that composting can save not the entire world,
but a good portion of it."
--Bette Midler, in a Los Angeles Times interview
I'm sure
Bette Midler would agree that making and using compost is
not only a life-changing experience, but it's the world's
best soil conditioner.
- Compost
recycles organic materials, from apple cores and coffee
grounds, to dried leaves and Shredded Wheat.
- Compost
improves any--and all--soil.
- Compost
provides the basic nutrients of nitrogen (N), phosphorus
(P), and potassium (K) as well as dozens of micro- and macro
nutrients that are vital for healthy plants.
- Compost
"gives back" nutrients that flowers, herbs and
vegetables remove in their normal growth processes.
- Compost
prevents nutrients from leaching away from plant roots.
- Compost
protects soil against wind and rain erosion, drought, dust
storms, earthquakes and other extreme conditions.
- Compost
extends the life of landfills by reducing space needed for
food and yard wastes.
The
"compost cake" recipe Did you
know you can have finished compost in just 3 to 4 weeks? By
combining the right ingredients, your compost pile will not
only heat up to 140 degrees (F) or more, but it will "cook
down" to a fluffy material that is ready to use in the
garden. Step
1: Collect your compost ingredients For a
hot, active compost pile, you need to build it all at once,
not over weeks or months. Imagine making a cake by sifting
the flour one day, adding eggs and oil the next and then waiting
a week or so before mixing everything together and getting
it into the oven. It would be a flop. Start collecting ingredients.
Go on organic treasure hunts. Talk to your neighbors, ask
your friends, scan the classified ads, and remember to check
your own back yard. Did you
know the hair on your head contains 30 times more nitrogen
than manure? Next time you go to the hairdresser, ask for
a few pounds of this nitrogen gold mine to add to your compost.
You're
looking for a combination of ingredients that will provide
the right living conditions for the microorganisms and bacteria
that break down the materials in the compost pile. This tiny
work force of actimomycetes (act-TIN-OH-my-SEE-tees) must
have food, water and oxygen to do their job. They need nitrogen
(N) in order to use the carbohydrates or carbon (C) materials
as food. "Without
the microorganisms at work in compost, soil would literally
be dead."
--Eleanore Perenyi, from "Green Thoughts: A Writer
in the Garden" Therefore,
you want to try for a nitrogen (N) to carbon (C) ratio of
about 1 to 3. Nitrogen
(N) materials include: "Stable scraps" such as horse,
rabbit, goat, chicken and other manures, green grass clippings
(minus any chemical fertilizers and herbicides), fish meal,
bloodmeal, cottonseed meal, trimmings from grocery store produce,
and garden waste, such as weeds and trimmings. Produce
trimmings are good sources of Nitrogen (N).
Carbon (C) materials include: Straw, dried leaves, sawdust
(in small amounts), wood chips (also in small amounts), and
shredded newspaper, cardboard and brown bags. One of the best
and easiest combinations to come by occurs in the fall. Mix
3 parts dried leaves to 1 part green grass clippings to make
a compost that is light, airy and fine. Now that's gourmet! Gourmet
compost: 3 parts leaves + 1 part grass clippings.
Materials you DON'T want to add to a compost pile include:
meat scraps, oily products such as salad dressings, peanut
butter and mayonnaise, pet litter and food, branches and other
large woody materials, slick magazine pages, and waxed cardboard.
If you
live near a coastal community, kelp and seaweed is a must-have
ingredient. Here on Kodiak Island, kelp piles on the beaches
in long windrows, and is available to anyone with a truck
or garbage can. Pound per pound, kelp supplies more minerals
than any other material on the planet. In the garden, it also
aerates the soil and makes an excellent mulch around potato
plants, fruit-bearing shrubs, bulbs and perennials. And, contrary
to popular belief, seaweed does not add harmful salts to the
garden. Kelp is
what I call a "neutral" ingredient, in that it doesn't
fit in the nitrogen or the carbon category. Yet, it benefits
every compost pile by adding fluff. So, if you live in North
Dakota, either make a pilgrimage to the coast or invite your
beach buddies to come visit with their suitcases packed with
seaweed. To learn
more about compost ingredients and composting, check out the
list of books, websites and other resources listed at the
end of this article. Step
#2: Stir your compost ingredients Once you
assemble your ingredients, you're ready to build your compost
pile. Here are some basic guidelines:
- Work
with a minimum size of 3x3x5 feet. (If you live in a milder
climate, then 3x3x3 feet is large enough). The key is to
make a compost pile large enough to retain heat and prevent
ingredients from drying out. Expect temperatures of 120
to 160 degrees (F), which is enough to kill most weed seeds
and pests.
- Use
an enclosure, either ready-built, or one make of heavy wire
screen, wood pallets, etc.
- Coarse
materials should be chopped or shredded.
- Build
the pile in layers, like a cake, alternating nitrogen and
carbon materials.
- Hose
down the layers with water. The ingredients should feel
like a damp sponge.
Step
#3: Let your compost cook Turn the
pile every 4 to 7 days to aerate it and to provide the microorganisms
with fresh food. With tumblers, simply give it a spin occasionally.
For bin enclosures, use a pitchfork to turn the pile, moving
the inside materials to the outside, and the outside materials
to the inside--just like folding cake batter. This is a good
upper body workout. How
do you know when the compost is done?
The compost pile is done cooking when it no longer warms up
within a few days of turning it. Incidentally, the pile will
shrink to about half of its original size.
Roses
are red, violets are blue.
Compost works, so gather the "doo"
--Nursery rhyme from Marion Owen's organic gardening
class
Troubleshooting the compost pile With a
little practice, you'll be able to read the symptoms and know
what to do to correct the problem. Here are some common problems
and their solutions: Problem:
The compost pile doesn't get very hot, even though
it has enough materials.
Possible Solution: You
might need to add more nitrogen ingredients such as green
grass clippings or manure to correct the nitrogen to carbon
ratio. Make sure the ingredients are damp. Too dry, and they
won't start cooking. Problem:
The compost heap heats up and cools down like it's
supposed to, but a lot of the materials are large and not
broken down.
Possible Solution:
Because the materials are big and chunky, they don't provide
enough surface area for the microorganisms to finish their
work. Chop the materials as best you can. A Crocodile Dundee
knife, or machete, works great for this. Problem:
Whew, the compost pile has a strong odor.
Possible Solution: The
pile is undergoing what's called "anaerobic decomposition."
Anaerobic means "without oxygen" which is why it
smells like the beach at low tide. You need to add introduce
oxygen back into the pile by turning it at least once a week. Problem:
Animals on the loose!
Possible Solution:
If dogs, mice, rats, cats or raccoons are getting into to
your compost pile, fence it in, cover it with wire and avoid
adding meat scraps, bones, and fish waste to the pile.
Roses
are red, violets are blue.
Use compost on your flowers, and they'll be happy, too.
--Nursery rhyme from Marion Owen's organic gardening
class How
to use compost
- Apply
a 4 to 6-inch layer of compost-mulch around woody perennials
in the fall to reduce damage from winter winds.
- After
the soil has warmed up in the spring, apply compost around
warm season vegetable crops such as zucchini and tomatoes.
- Spread
compost on the garden a couple weeks before spring tilling.
- Add
compost to container gardens, hanging baskets
- During
the growing season, side-dress your plants with compost
to provide a slow-release source of nutrients.
- Make
compost tea. Add a shovelful of compost to a 5-gallon bucket
of water and allowing it to steep for a few days. For larger
quantities, add compost to a 55-gallon drum. Use the nutrient-rich
tea to fertilize lawns, shrubs, perennials, containers,
hanging baskets, as well as annual vegetables, herbs, and
flowers. Dilute the tea for younger plants.
- Apply
a 1 to 2-inch thick mulch around flowers, trees and shrubs
in the spring to maintain soil moisture and discourage weed
growth.
- Use
compost as a growing medium for seedlings and potted plants.
After screening out large particles, you'll need to pasteurize
it before using it.
Marion
Owen is a master gardener, photographer, entrepreneur, and
New York Times bestselling author of Chicken Soup for the
Gardener's Soul. Recently honored with a "Women of Distinction"
award by the Soroptimist International of the Americas, she
is also a webmother and the creator of PlanTea.
(Plant + Tea), the organic fertilizer in pocket sized tea
bags. Check
out Marion’s UpBeet Gardener newsletter, which celebrates
what is right in this world with upbeat tips, organic gardening
tips, photography how-tos, recipes and stories from Chicken
Soup for the Gardener's Soul, which she co-authored. To read
the current issue, go to: http://www.plantea.com/mailinglist-current-issue.htm
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