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Vermicomposting: question about possible compost

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lssfishhunter
Jonesville, SC
(Zone 7b)

March 19, 2012
6:41 PM

Post #9049457

I have a spot in my garden approximately 15'X21' that is non-fertile red clay. The rest of my garden is good soil. I want to improve this spot without breaking the bank. A local nursery has a mixture that is made up of: top soil, some kind of wood chip, and something else that I can't remember. Sorry I cannot be any more descriptive but most of you probably know what it is. A scoop of this mixture is $10 and the man at the nursery says that people buy it to plant flower beds and basically mulch with it. My questions are: Would it be beneficial to get a scoop of this mixture to put on the clay area to improve vegetable production? Also, is there anything else that I can do that will not cost an arm and a leg, like buying a bunch of bags of Black Cow compost? By the way, there is no local nursery that sells any amount of compost except for Black Cow by the 50 pound bag. Thanks for any responses and sorry that I could not be anymore descriptive on the makeup of the mixture.
lonejack
Longview, WA
(Zone 8b)

March 24, 2012
1:42 AM

Post #9054809

Hi lssfishhunter,
I would be very suspect of packaged Cow anything. I once purchased some bags of Cow and received weeds that I have no idea what they are or how to get rid of them all over my property.
If you are mowing your lawn, I would recommend that you pile the lawn clippings on the clay areas. In a while you will have a nice top of organic materilal on the clay areas.
Another way to begin to break the clay is to bury kitchen scraps in small holes in the clay. Dig a small hole approximately 6" deep by 6" wide and bury your kitchen scraps. Move over another 6" and repeat. Keep moving until you have covered the area. Then start over.
Another way is to cover the area with cardboard, then pile lawn clippings on the cardboard. As the cardboard breaks down it will loosen the clay.
Leaves in the fall over the whole garden area will furnish humus in the clay. Keep piling the leaves on and plant through the leaves in the spring.
All of these methods will take time, but it is low tech and low $.

pbyrley

pbyrley
Port St Lucie (+ Wk , FL
(Zone 9b)

March 26, 2012
5:43 AM

Post #9057220

I totally agree with lonejack.

I have the same kind of red clay as Issfishhunter so I am sympathetic. When the cardboard and leaves start to decompose and if there is moisture there from the rain (hasn't it been nice recently!), it won't be long until the natural/native earthworms will (naturally) appear and will be 1) making little tunnels to aerate your clay and 2) leaving digested leaves and cardboard (worm poop) in the tunnels. After a while, the clay will be a lot better for gardening than you (and I) started with.

Paul
Hagar3
Byron, GA

April 29, 2012
6:06 AM

Post #9102250

I think I have a few options. one of the best commercial items is natures helper. It is bulky so it would be cheaper and it has more fiber. Shredded leaves would also work. Or you could look around for free compost. Most cities around here have compost that is free or very cheap.
SteveOh
Cherry Grove, OH
(Zone 6b)

April 29, 2012
3:35 PM

Post #9102863

I live in the Ohio River valley in South West corner of Ohio, not so jokingly called the land of red clay.
I could make pottery from the original soil in my garden.

We use a tried and true method for creating great soil from our clay. Sand (coarse, we use the kind used to make concrete), peat moss, and some lime turned into the clay hardpan and then plant some fava beans (plant very early, favas like it cold). The favas are nitrogen fixing plants and the deep roots penetrate and break up the clay. Turn the beans into the soil at the end of the growing season for an added boost. It's a very cheap, quick, and effective way to deal with heavy clay.

Or my wife's version; simply mulch the area every year until all of the organic matter in the mulch breaks down and amends the soil, we have two beds on the side of our home (about 3x40 feet each) that started out as rock hard clay. Now, a few years later, we can dig a planting hole with our hands. A little slower than the above method, but just as effective.

As this is the vermiculture forum, I will add that worms alone don't help much for clay (unless you are adding worm compost from your bins or other organic matter such as mulch). You need to incorporate some organic matter and larger particles into the soil to break up the fine clays.




This message was edited Apr 29, 2012 6:36 PM
Vinesnmore
Bronson, FL

May 15, 2012
8:22 PM

Post #9125448

Check out craigslist in your area. I get horse manure that is composted delivered to me in bags for $1 a bag! Most people list it at $5 which still isn't too bad lol but I kept the guys email for the $1. Also see a ton of free if you come scoop which I wasn't willing to do. I mix in the manure, leaves, and compost when I plant (we have almost all sand here)
stevelvv
San Diego, CA
(Zone 10a)

May 16, 2012
6:53 PM

Post #9126639

I second Vinesnmore's suggestion. That's exactly what I do...go to a boarding stables that offered free horse manure on Craigslist. I bring home a truckload, wet it down real good and let it "ferment" for awhile, as it is originally dry as a bone. Mix it with soil, use it as bedding material or ground cover. Nothing like hay poop to improve your dirt.
IlovemyTiger
Irving, TX

May 18, 2012
1:13 PM

Post #9128699

Hey everyone,

I'm actually myself dealing with a similar issue. I'm a master composter, and I learned about this in the course I took. There is something you can make called a "food digester" where you cut the bottom out of a trash can or bucket and bury it about 1/3 of underneath the soil level, then fill it with your kitchen scraps. The earth worms will come and take the food and carry it out into the garden. Very similar to digging holes, but less work. One woman I know does this with a 20 gal, and it's just her and one other person in her household. I've resolved to use several 5 gal around the garden depending on how much waste we produce here. With this, lasagna gardening (like cardboard (carbon) and lawn clippings (nitrogen) being layered), and other organic methods, the issue of clay should be solved in a couple of years.

Hagar3
Byron, GA

May 30, 2012
9:11 AM

Post #9144796

Another thing that helps is to grow a green manure crop where you need the organic matter. Rye, clover alfalfa, buckwheat, bluelupine, and many other things can be grown and then mowed and turned into the soil.

RickCorey_WA

RickCorey_WA
Everett, WA
(Zone 8a)

November 8, 2013
5:31 PM

Post #9704983

I like to dig, so I use pick and mattock to break up the top layer of clay while it's moist. A little water makes my hard clay soft.

Then I screen out rocks and pebbles. Then (some disagree) I turn in very coarse sand or grit and pine bark fibers and grit. I think this helps the deeper layers stay friable and aerobic despite not having enough compost.

Then I mix in as much compost as I can make or afford. But there's never enough, so I "stretch" it by using less than the clay really needs, and amending the top few inches more than the deeper layers.

But that top layer lets me grow plants. I'm usually not patient enough to grow nitrogen-fixing cover crops, but anything with roots adds organic matter and channels to the soil over several years!

For the first several years I only grow annuals so I can turn the soil at least 12", usually 18", and keep breaking up clods of clay and mixing it well with added manure, compost and bark. The deeper soil seems to revert to clay pudding, so I break that up each year and mix it with amendments until it seems able to "hold" a little air in it.

After a few years, the additions (and roots) seem to accumulate and soften the deeper soil so that I can get by with just top-dressing with manure/compost/coffee grounds and scratching them in around plants.

I've been prejudiced against tuning wood of any sort UNDER since I used "Soil Pep" which was mostly wood and turned ugly-fungusy for a year. Then i read about nitrogen deficit and had an excuse to keep wood chips in their place: as TOP MULCH!

People have convinced me that they more mileage out of their "green" and "brown" compost makings by layering on top of the soil, spot-composting, or turning it under "raw". They must be right, but I don't feel right about putting garbage into my garden soil, so i still compost things before burying or mulching with them. That's just me.

But they HAVE convinced me that compost is "finished enough" whenever you need it. It will complete the rotting process just fine in the raised bed, and any "juices" that leach out of it will do more good there than they would under my "official" compost heap.

P.S. Once leaned my compost heap up against a little mound of pure clay I had excavated from some new bed. When I pulled the compost away from the clay, I saw several worms half-in, half-out of the clay. As if they commuted from raw clay into the heap.

it made me think that, if I had enough compost makin's to create multiple heaps, maybe I should just put one heap on top of whatever clay I wanted to use for my next raised bed. After 6 or 12 months of "compost juice" leaching into the clay, and worms chasing after it, maybe I would have fewer excuses to use my pick and mattock.

GaryNC

(Zone 7b)

November 10, 2013
8:53 PM

Post #9706355

The best worm for hard clay is the Alabama Jumper. I don't have any personal experience with this variety but I understand they prefer hard packed clay rather than compost. I believe they also dig deep vertical tunnels (rather than living in the top few inches of soil/compost) which helps to draw organic matter deeper into the soil than you can do by tilling.

I'm new to this forum and I'm not sure what the rules are about posting links so I won't post any but if you do a search on Alabama Jumpers you should be able to find a worm farm that can provide you with more information.

pbyrley

pbyrley
Port St Lucie (+ Wk , FL
(Zone 9b)

November 11, 2013
10:56 AM

Post #9706745

Hi Issfishhunter-
Lonejack's idea of the 6" holes reminded me of my mother's gardening solution (in the 1950's). We had just moved into a new small tract house in Ft. Lauderdale, built , along with about 50 others over flat bulldozed white sand.
She immediately started burying kitchen scraps, including coffee grounds as well as any other vegetative scraps out about a foot from the side of the house and probably about a foot apart.. My goodness she was "driven" and did this every night. By the time she had gone completely around the house once, she started finding earthworms living in the dirt she had made. I was amazed and immediately started taking them fishing with me.

She kept on with that for a lot of years and had really good soil and a lot of pretty plants growing.

As Bob Hope used to say, "Thanks for the memories"

RickCorey_WA

RickCorey_WA
Everett, WA
(Zone 8a)

November 12, 2013
4:01 PM

Post #9707755

Thanks. Lots of earthworms found my compost heap for the first year or two, now I see very few.

Puzzling.

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