Composted Biochar Blend - Miller Soils
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Composted Biochar Blend


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Compost Biochar Blend

Compost is a stable, nutrient-rich, living form of soil organic material essential to agriculture.



Biochar, Compost, Worm Castings, Kelp Meal, Endo-mycorrhizal inoculant.


It is primarily made up of humus, a complex combination of materials dominated by humic and fulvic acids, and it is intensely populated with soil organisms and high in nutrient content. In all agricultural soils, humus is the keystone of soil biochemistry, and it is a product of that same biochemistry.


The humic and fulvic acids are complex carboxylic acids released from decaying bacterial cell envelopes. Bacteria, in turn, play a large part in decomposing dead (and live) plant and animal matter. As the bacterial cell-envelope fragments accumulate, humus builds and interacts with the surrounding environment (especially in solution and/or in rhizospheres), adsorbing additional minerals and acting as an exchange site for microbes to attain minerals. And, as humic acids accumulate they mix with bits and pieces of refusia from the activity of bacteria, fungi, including decomposing dead and dying organisms, forming enough mass to provide habitat for soil organisms ranging from viri to bacteria, fungi, and protozoa to nematodes and chollembola. The result is humus.


Farmers have known about humus and compost for millenia, and it remains a well-studied topic in modern science. We continue to learn interesting characteristics of humus and compost.



Use Composted Biochar as a soil amendment for nutrient deficient soils in raised bed, also recycled used soil and for better drainage and nutrient retention for any garden. Brings new life to old soils for indoor grows to greenhouses. By combining biochar and compost to soil it is a catalyst for benficial microbes and fungi to rebuild soil fast and naturally



When using Composted Biochar follow these recommendations, when you choose to fertilize use compost tea or organic fertilizer. The soil is living… Do not over water. It’s got Biochar.

  1. Inoculates the soil with a rich assortment of soil organisms that contribute the complex of nutrient-pathways and cycles.
  2. Nutrient release. Compost is a great source of nitrogen, potassium, phosphorous, calcium, and pretty much anything that was in the feedstock. Our composts come from high-quality, vegetative feedstock. No Human Manures.
  3. Phyto-hormonal effect on plants and interaction with or simulation of growth regulators.
  4. Is Colloidal, meaning that it suspends in solution, making it readily accessible to all the bio-chemical and nutrient pathways.
  5. Improves soil texture. Compost reduces soil bulk density and improves porosity and it helps break-up clay soils.
  6. Improves water holding capacity. Compost sucks it up and holds on to it for gradual use by microbes.
  7. Can improve cation exchange capacity. Compost contributes much to the CEC of container soil-mixes.
  8. pH buffering. Cured biochar can buffer soil pH, though raw biochar can increase pH due to high surface Calcium Carbonate.
  9. Resides in the soil for the long-term – in some cases a century.


Why does compost do all these wonderful things:

  1. Compost has an enormus surface-to-volume ratio due to its complex surface, due to humic acids’ complex chemical structure, which involves multiple complex R-groups.
  2. The chemical configurations result in a large cation-exchange capacity, making nutrients readily available to soil microbes and soil solution.
  3. Chemical complexity and evolutionary co-existence have resulted in complex interactions between various plant protein functions (for example, proton pump regulation).


Where does compost come from?

When we mix together materials with the purpose of creating humus, we are composting. For container soil-mixes, the best composts come from thermophilic composts and from composting-worms. The processes involved create the rich, earthy humus that makes plant life as we know it possible. Plants love it and the more the better. In fact, in the field, most plants require humus to survive.

Interested In This Product?

Get a quote. Please allow up to 24 hours for us to get back to you, sorry for any inconveniences. You can also call us or leave a message at 1-800-591-5925 (Mon-Sat: 9am-5pm).

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