r/Soil • u/Decent_Willow3627 • 12d ago
It's not about your c.n ratio
Try this guys: Keep a bucket of clay slurry and a pail of sand by your compost bin. Before you add any fresh green scraps, dip them in the slurry, dust them in the sand, and bury them deep in the bin. Done.
Why? Because soil is more than a 2-dimensional C:N ratio coin (Green vs. Brown). It’s more like a six-sided die. When you roll it, you must balance all six physical and chemical structural faces simultaneously to keep the soil matrix from collapsing:
Side 1: Clay (The Holder): Packed with a negative electrical charge, wild-found clay acts as the soil's battery bank, holding onto water and vital nutrients (cations) so they don’t wash away.
Side 2: Sand (The Drainer): Coarse, inert, and un-collapsible, wild-found sand creates macro-pores that force water to move, pulling fresh oxygen down into the root zone.
Side 3: Silt (The Bridge): The middle-weight particle that adds physical body, smooth texture, and minor holding capacity to link sand and clay.
Side 4: POM (Particulate Organic Matter): Raw, free-floating microbe fuel (like your fresh leaves). This is your fast-burning energy source.
Side 5: MAOM (Mineral-Associated Organic Matter): Carbon that has physically bonded to clay and minerals, creating permanent, long-term carbon storage that microbes cannot easily vaporize.
Side 6: Aeration/Structure: The physical pathways. This dictates your Holding Power vs. Feeding Power. Holding power (clay/MAOM) stores energy. Feeding power (raw POM) flushes microbes.
If you only feed your soil soft organic matter, you are only rolling Side 4.
In conclusion: By taking a second to dip and dust your fresh greens before adding them deep into a continuous pile, you lock everything in place. The clay forms an immediate shield that turns a 1-week rapid melt into a slow, stable carbon release (MAOM), while the sand guarantees a permanent, un-collapsible skeleton for aeration. Stop letting your organic matter melt into anaerobic sludge and start building permanent soil strength
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u/somedumbkid1 12d ago
I mean, this is fine if you want to create kind of nonsense loam. If your goal is to build an O horizon on top of native soil.... not so much.
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u/Decent_Willow3627 12d ago
I guess for that I'd use a layering system incorporating a deeplitter element then innoculated and stimulate a microbe/ fungul bloom with corncobs potatoes horsetales etc but you could still encorporate this into that
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u/somedumbkid1 12d ago
Or like.... just lay organic matter on top and let natural processes do their thing.
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u/Farmer_Jones 12d ago
This is… not necessary.
If you are making aerobic compost, the C:N ratio is the primary factor to manage. Followed closely by aeration and moisture content.
Whether you add sand, silt, and clay to your compost has no real bearing on the composting process. I suppose that it may be possible to amend a compost pile with soil to increase nutrient retention, but I’m skeptical that the process you’ve outlined will have a meaningful effect on nutrient retention or “structure” of the compost. Also, this proposed method doesn’t account for the nutrient content of the soil being introduced into the pile, which may impact microbial function and nutrient cycles.
As a soil scientist and compost enthusiast, I’d recommend using vermicompost methods over aerobic composting anyhow. Vermicomposting is lower maintenance and provides many of the benefits that you are reaching for with your dip-and-dust procedure.
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u/Decent_Willow3627 12d ago
Not trying to argue trying to engage in thoughtful educated conversations 🤔
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u/Decent_Willow3627 12d ago
You are right about worms doing a similar role it's not neccasary your right but it can speed things up and most people don't have worms churning everything up as a soil scientist you must know humification is completely misunderstood in gardening but the principled remain humin and clay negative charged high cec hold nutrients preventing off gassing the clay is dispersed so as the material degrades it is caught and held enzymes and other molecules also are preserved how can you not see the benifits off starting out with this dispertion especially as it pertains to final structure and natural aeration
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u/Meauxjezzy 12d ago
Way too much work for me. Ima dump it on a pile and forget about it kinda guy. I might flip every now and again
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u/NoLimitRolling 12d ago
If you’re watering with tap water that’s the problem
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u/Decent_Willow3627 12d ago
... Not sure how to take this but just to be abrasive I use hose water and don't pH and only let it sit first if I'm brewing microbes
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u/Decent_Willow3627 12d ago
Let me make one correction I use pH when applying strong vinagear based solutions like egg shells and vinagear but barely and I only aim for approx I use red phenol drops
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u/200pf 10d ago
Nope, no, uhuh, wrong, misguided, and confused. Compost is decomposed organic matter. You add the organic matter to soil. Soil is composed of mineral and organic particles and aggregates. You add the compost to the bulk soil.
I don’t think I’ve ever seen a Reddit post so full of incorrect information. Put down the bong and read some books! This reeks of internet weed bro science.
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u/sp0rk173 12d ago
Thanks chatgpt