Organic fertilizer made from sapropel

Give your soil more to work with.

Increase yields by up to 40% naturally. Cut chemical fertilizer costs by up to 25% while restoring the living foundation beneath every harvest.

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Lush green crop field with mountains under a clear blue sky

+40%

yield increase potential reported with the right soil program

40%

potential yield increase, naturally

25%

potential savings on chemical fertilizer costs

10,000+

years of nutrient-rich sapropel formation

Real results

See the difference in the growing row.

These before-and-after photographs come from the original Humuson site. They show the kind of stronger growth and fuller canopy growers look for when sapropel-based nutrition helps soil biology make more of the nutrients already present.

Before view of a green field crop with visible soil rows and mountains beyond — Field crop comparison
A broad field view with fuller, more even crop coverage in the after image.

After view of the same field crop with denser, fuller green coverage — Field crop comparison
A broad field view with fuller, more even crop coverage in the after image.

Before view of young arugula plants spaced along a soil bed — Arugula growth comparison
A closer look at arugula plants developing along a cultivated bed.

After view of fuller arugula plants growing along a soil bed — Arugula growth comparison
A closer look at arugula plants developing along a cultivated bed.

Untreated green field labeled untreated with a mountain range in the distance — Treated field comparison
The source site labels these field photographs untreated and 2 L Humuson.

Green field labeled 2 L Humuson with a mountain range in the distance — Treated field comparison
The source site labels these field photographs untreated and 2 L Humuson.

Visual comparisons are educational examples, not a controlled yield trial. Results vary by crop, soil, application rate, weather, and the rest of the growing program. Humuson reports yield increases of up to 40% when used as part of the right soil program.

Organic confidence

OMRI-listed for organic production.

Humuson is made from natural sapropel, safe for people and the environment, and built to support growers at every scale.

Select your field

One natural formula, sized for the way you grow.

Home & garden

Safe, effective, environmentally friendly support for lawns, beds, fruit trees, and houseplants.

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Commercial agriculture

More yield, healthier soil, and a practical path to reduce chemical input costs.

See the efficiency story ↗

Wholesale & industrial

For partners who blend, scale, distribute, or want to bring sapropel to a new market.

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Young gardener tending plants in rich field soil

More than fertilizer

Feed the microbes. Restore the soil.

Humuson Complex brings the natural chemistry of sapropel into a usable form. Organic carbon, nutrients, enzymes, amino acids, and humic substances help make what is already in the soil more available to the plants that need it.

OMRI-listed and made for use at every scale, it’s a calmer, more complete way to build a better growing foundation.

Why growers choose Humuson

From the field

Trust built in the soil.

“I really like the idea of using more biological products to feed the microbes in the soil. It helps process the nutrients that are already there so plants can use them.”
Dennis Carlson

Humuson TV

Start with the source.

Watch the official Humuson Complex channel explain sapropel, the technology behind the product, and the work that turns lake sediment into a practical soil input.