Is there any 'top soil' that has no wood chips anymore?
tombraider
17 years ago
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curtludwig
17 years agotombraider
17 years agoRelated Discussions
wood chips in bonsai soil affect pH
Comments (8)Bonsai soils are more about the physics of the soil than they are about what material the particulates are mad from. In most cases, we avoid peat because it is small enough that it collects in macro-pores, turning them into micro-pores that hold water instead of air. In my estimation, compost is worse than peat because it holds water tighter and its water release rate is slower. Plus, peat and compost break down too quickly to be of value in most soils for bonsai. Particles of a uniform size and shape will yield best drainage. Experiment: In a clear bottle, add a hundred or so large marbles - the boulder type, twice as large as a regular marble. These fill a 2 qt clear container and represents a soil with uniform size particulates and plenty of air spaces, a beautiful thing, this soil. Then, take a quart of BBs, dump it on top of the marbles and give it a little shake. The BBs find their way into the large pore spaces, but still fit handily into the "full" bottle. Then, pour a quart of sand (you can substitute the word peat or compost for sand here, too) into the "full" bottle. The sand filters down, clogging the remaining air pores and making the soil a terrible choice for plants. Sand is death to aeration and how did I get 4 qts of soil in a 2 qt bottle? By jamming small particulates into my air-holding macro-pores. You can build a wide variety of soils if you have a few things on hand. A porous mineral product that holds air, moisture, and nutrients - like Turface, Haydite, akadama, pumice, others. An irregularly shaped mineral product, preferably with rough or jagged edges that doesn't hold air or water - crushed granite or large silica (almost BB size) is good here, and an organic component in a suitable size that will resist rapid breakdown by soil organisms. We often use conifer bark to fill this requirement because the combination of a high % of lignin and suberin (in the bark) makes it difficult for micro-organisms to cleave hydrocarbon chains and destroy the structure of the organic part of your soil. I can't think of anything I grow in bonsai soil (houseplants too) that I use more than a 1/3 organic component on. I usually keep a large amount of soil that is 1/3 each of Turface, crushed granite (grower grit), and screened fir bark. I amend this basic mix as needed. Your mix may vary & use other ingredients, but this one won't be too far from what will work well for you. I grow most deciduous plants in the equal parts mix. Pines & junipers I use up to 90% inorganics in the soil. I even have a few plants that are perfectly happy in 100% Turface. Experiment, but don't be tempted to compromise your soil mix too much to simply extend intervals between watering - your plants will pay. Al...See MoreAmending soil with wood chips, what will that do to my soil?
Comments (12)Depends. If the soil has ample amounts of organic matter now and an active Soil Food Web mixing in a high carbon source of material might have little to no adverse affect. However, if the soil lacks adequate amounts of organic matter and an active Soil Food Web, mixing a source of high carbon into the soil can result in the soil bacteria getting busy digesting that carbon and temporarily causing most of the available Nitrogen to be tied up. Once that carbon is digested, or mostly so, that N will be once again available to the plants....See MoreWood chips in compost and soil
Comments (20)At my last house I used wood chips on the paths between the rows of the garden. Fearing the wood chips and soil would get horribly mixed together, plus the dreaded nitrogen stealing, I put barriers such as bricks and boards between the wood chip paths and the garden rows. The next year I applied more wood chips. The third year I was going to do that again, but instead I wound up pushing around the top layer of wood chips and scooping up the LOVELY fluffy black rich soil that the underlying wood chips had become, and putting that on top of the garden rows. Then I put fresh wood chips down on the paths. I tried to mulch around my current raised beds with wood chips over cardboard, but it always rots fast and weeds grow in it. So recently I just go with cardboard, as the wood chips make it rot faster. My wood chips always seem to rot pretty fast, maybe because it rains a lot here so they are soggy a lot? I put shredded branches into my compost because we get them from our chipper-shredder and have copious amounts of green that need some brown to balance it. I do use leaves mostly, but I like to use whatever I have and the branches are from my own property and organic, and the leaves I take from other people. Marcia...See MoreCan I rototill wood chips into soil.
Comments (11)Albuquerque has been up against the wall on water usage for quite some time and is strongly encouraging people to avoid large lawns. I'm not going to tell you what to do, but I would encourage you to consider a smaller lawn if you must have one, for the good of the community and to avoid soaring water rates. When I moved there in '79, everyone thought the alluvial aquifer was endless, but it turned out not to be so. That and the shutting down of a couple of wells on the south side because of the gigantic jet fuel plume emanating from Kirtland AFB has really begun to pinch things....See Moreesther_opal
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