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#1
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Soil amendments
I started my first compost pile last fall, mostly leaves mulched with my
mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. Any guidance for a newby would be greatly appreciated. DB |
#2
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Soil amendments
On 3/7/10 7:30 AM, DirtBag wrote:
I started my first compost pile last fall, mostly leaves mulched with my mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. Any guidance for a newby would be greatly appreciated. DB Toss some good garden soil on top of the pile and rinse it into the pile. This will provide some of the soil micro organisms that promote composting. Also add some high nitrogen fertilizer since composting leaves requires nitrogen. Make sure the pile remains moist. DO NOT add to your raised bed. The composting leaves will deplete nutrients from the soil until they are fully composted. Like yours, my compost pile is also almost entirely leaves, especially oak and ash. When I have my back lawn mowed (ornamental red fescue, mowed only once a year) I add some of the clippings to the pile. It took about 18 months to start from scratch. It works well now, taking about 4-5 months to produce a great leaf mold from autumn leaves. When I sift the pile, I always leave some fine compost to ensure that the new leaves in the pile are "inoculated" with the necessary organisms. -- David E. Ross Climate: California Mediterranean Sunset Zone: 21 -- interior Santa Monica Mountains with some ocean influence (USDA 10a, very close to Sunset Zone 19) Gardening diary at http://www.rossde.com/garden/diary |
#3
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Soil amendments
David E. Ross said
Toss some good garden soil on top of the pile and rinse it into the pile. This will provide some of the soil micro organisms that promote composting. Also add some high nitrogen fertilizer since composting leaves requires nitrogen. Make sure the pile remains moist. I added blood meal last fall. I had quite a hot pile till this miserable winter took over. Spring is almost here! DO NOT add to your raised bed. The composting leaves will deplete nutrients from the soil until they are fully composted. Like yours, my compost pile is also almost entirely leaves, especially oak and ash. When I have my back lawn mowed (ornamental red fescue, mowed only once a year) I add some of the clippings to the pile. It took about 18 months to start from scratch. It works well now, taking about 4-5 months to produce a great leaf mold from autumn leaves. When I sift the pile, I always leave some fine compost to ensure that the new leaves in the pile are "inoculated" with the necessary organisms. My present compost pile is on top of my garden, I planned to turn it in to the soil. I think I'll set up a dedicated compost pile and continue this process. So, I am I to understand your mature pile processes all you leaves in 4-5 months? This would be ideal. |
#4
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Soil amendments
On 3/7/10 10:28 AM, DirtBag wrote:
David E. Ross said Toss some good garden soil on top of the pile and rinse it into the pile. This will provide some of the soil micro organisms that promote composting. Also add some high nitrogen fertilizer since composting leaves requires nitrogen. Make sure the pile remains moist. I added blood meal last fall. I had quite a hot pile till this miserable winter took over. Spring is almost here! DO NOT add to your raised bed. The composting leaves will deplete nutrients from the soil until they are fully composted. Like yours, my compost pile is also almost entirely leaves, especially oak and ash. When I have my back lawn mowed (ornamental red fescue, mowed only once a year) I add some of the clippings to the pile. It took about 18 months to start from scratch. It works well now, taking about 4-5 months to produce a great leaf mold from autumn leaves. When I sift the pile, I always leave some fine compost to ensure that the new leaves in the pile are "inoculated" with the necessary organisms. My present compost pile is on top of my garden, I planned to turn it in to the soil. I think I'll set up a dedicated compost pile and continue this process. So, I am I to understand your mature pile processes all you leaves in 4-5 months? This would be ideal. The major additions to my pile is in the autumn. I turn the pile as I add more leaves. I generally count on the winter rains to keep it moist. I wait until late spring to sift it. By then, excess moisture is gone, making it easier to sift. I get a generous amount of compost (mostly leaf mold). When I see that I have enough for my needs, I just stir the pile. If I remember, I stir and water it during the summer. My major use is in making my own potting mix. I also stir some into the soil when planting in the ground. No, I don't use it to top any beds. Instead, I use fallen leaves as a mulch in my beds. They soon become compost, too. -- David E. Ross Climate: California Mediterranean Sunset Zone: 21 -- interior Santa Monica Mountains with some ocean influence (USDA 10a, very close to Sunset Zone 19) Gardening diary at http://www.rossde.com/garden/diary |
#5
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Soil amendments
DirtBag wrote:
So, I am I to understand your mature pile processes all you leaves in 4-5 months? This would be ideal. The time varies considerably from 6 weeks to a year or more dependent on the air temperature, moisture, size and content of the pile and how well it is aerated. Look up "hot composting" and "cold composting" for details. David |
#6
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Soil amendments
In article ,
DirtBag wrote: I started my first compost pile last fall, mostly leaves mulched with my mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Sounds OK. What is the base soil that you will be placing the raised beds on? If not clay, you probably don't need to turn the ground. The decomposers ( ameba, fungi, bacteria) have already enter the compost, so blending the compost into the soil is no problem. Compost shouldn't be more than 10%- 15% by volume of you soil. Since you will need to fertilize the bed anyway, add chicken manure at the rate of 18 lbs/100 sq. ft., which will also address the nitrogen demands of the brown organic material that you add, and add the microbes that the soil may be deficient in. You could always use the bottom portion of you compost pile to make a compost tea to increase the population of soil microbes. The other possibility would be to spray a dilute mixture of molasses or sugar on the bed, once it is preped, which will set off a population explosion among the mirobes. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. There is little true topsoil for sale. There is always the worry that the soil may be contaminated with herbicides or heavy metals. If you have soil that you can use, top or not, just blend it with organic material. If your soil is mostly clay, you may want to blend in some sand as well. Ideal soil composition should be 30%-40% sand, 30%-40% silt, and 20%-30% clay. As I wrote, 10%- 15%, by volume, of you soil (the above) should be organic material. Any guidance for a newby would be greatly appreciated. DB -- "Fascism should more properly be called corporatism because it is the merger of state and corporate power." - Benito Mussolini. http://www.youtube.com/watch?v=Arn3lF5XSUg http://www.thirdworldtraveler.com/Zinn/HZinn_page.html |
#7
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Soil amendments
Billy said
In article , DirtBag wrote: I started my first compost pile last fall, mostly leaves mulched with my mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Sounds OK. What is the base soil that you will be placing the raised beds on? If not clay, you probably don't need to turn the ground. The decomposers ( ameba, fungi, bacteria) have already enter the compost, so blending the compost into the soil is no problem. Compost shouldn't be more than 10%- 15% by volume of you soil. Since you will need to fertilize the bed anyway, add chicken manure at the rate of 18 lbs/100 sq. ft., which will also address the nitrogen demands of the brown organic material that you add, and add the microbes that the soil may be deficient in. You could always use the bottom portion of you compost pile to make a compost tea to increase the population of soil microbes. The other possibility would be to spray a dilute mixture of molasses or sugar on the bed, once it is preped, which will set off a population explosion among the mirobes. My soil is good old Indiana clay. I think I'll add a bit of the leaf matter to help break up the soil and get a mess of chicken manure as you suggest. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. There is little true topsoil for sale. There is always the worry that the soil may be contaminated with herbicides or heavy metals. If you have soil that you can use, top or not, just blend it with organic material. If your soil is mostly clay, you may want to blend in some sand as well. Ideal soil composition should be 30%-40% sand, 30%-40% silt, and 20%-30% clay. As I wrote, 10%- 15%, by volume, of you soil (the above) should be organic material. Thanks for your guidance. I'll try to achieve this ratio mmmm, I can almost taste the tomatoes already.... |
#8
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Soil amendments
On Sun, 7 Mar 2010 15:30:00 +0000 (UTC), DirtBag
wrote: I started my first compost pile last fall, mostly leaves mulched with my mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. Any guidance for a newby would be greatly appreciated. DB Use the parts that have composted. I have three wire compost bins, each at varying decomposition stages. Leaves alone will take much longer to compost, turning into leaf mold (a valuable organic material but maybe not typical "compost"). Maybe your leaf pile is cold--try mixing in some green material until you see some steam coming off of it. When that happens the pile will decrease in volume, turn dark, and break into finer pieces. A live compost pile works like magic. |
#9
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Soil amendments
Phisherman said
On Sun, 7 Mar 2010 15:30:00 +0000 (UTC), DirtBag wrote: I started my first compost pile last fall, mostly leaves mulched with my mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. Any guidance for a newby would be greatly appreciated. DB Use the parts that have composted. I have three wire compost bins, each at varying decomposition stages. Leaves alone will take much longer to compost, turning into leaf mold (a valuable organic material but maybe not typical "compost"). Maybe your leaf pile is cold--try mixing in some green material until you see some steam coming off of it. When that happens the pile will decrease in volume, turn dark, and break into finer pieces. A live compost pile works like magic. I did have a fair amount of greens in the pile, I also added some bone meal, the pile did get hot last fall, but I think it cooled over the winter. I turned it again, hopefully it'll fire back up. I'm going to put in some more bloodmeal too. I clearly need a dedicated compost pile. |
#10
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Soil amendments
"DirtBag" wrote in message ... I started my first compost pile last fall, mostly leaves mulched with my mower. I turned it several times, but given the limited time, it's not yet compost - mostly just leaves. Anyway, I'm planning to use raised beds this season, and I was hoping to use this "compost" in the raised beds. I was planning to rototill this compost into the first several inches of soil, then install the raised beds, add some more of this compost, and finish off with some local topsoil from the local nursury. Am I missing something? Will this leaf-compost be problematic? Should I swap the topsoil planned for the raised beds for something else. Any guidance for a newby would be greatly appreciated. If you are making new raised beds, that will be permanent or in place for a few years, you can use the partly composted material. Google up lasanga gardening. This is the process of building gardens using whatever organic matters comes to hand. You could bung the leaf mulch on the bottom of the garden and build up over it. You need to have several inchs of gorwing medium (soil or finished compost) at the top of the bed. Plant in to this growing medium & over your spring and summer the leaf mulch will break down and be available for the plants to take up. This way you get to use the organic matter in your garden but don't have to worry that it is only partially broken down. I built a raised garden and chucked any old stuff in it, leaves - used coffee grounds - grass clippings - manure - and topped it off with some soil and mushroom compost. The garden was good to go in the first season and has been productive ever since. Savs you time and energy of tilling the soil and digging it over. Do it a little smart & the soil biology does the rest for you. have a squiz at these, notice how they use any old organic rubbish http://www.fbga.net/Lasagna%20gardening%202004.htm http://www.ourgardengang.com/lasagna_gardening.htm rob |
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