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Finca Las Hormigas

The Vital Role of Soils in Permaculture and Sustainable Farming

By the Finca Las Hormigas Team


Let’s talk dirt—and I’m not just talking about the kind you brush off your shoes. We’re diving into the living, breathing, fascinating world beneath our feet: soil! Here at Finca Las Hormigas, tucked away in the lush Talamanca region on Costa Rica’s Caribbean coast, soil is more than just ground—it’s a vibrant ecosystem that makes everything we do possible. Whether it's growing our food or restoring balance to the environment, healthy soil is the secret sauce behind it all.


What is Soil and Why is It Important?


Soil is like a party that everyone’s invited to—minerals, water, gases, organic matter, and a wildly diverse cast of living organisms, all mingling together. This dynamic system doesn’t just support plants; it plays a starring role in climate regulation, water filtration, and biomass production (aka food for the entire planet).

Did you know that 95% of our food is connected to soil in some way? Yeah, no big deal—just the key to our entire survival! But not all soil is created equal. Here in Talamanca, we work with three types of soils—Ultisols, Inceptisols, and Entisols.


  • Ultisols are old, weathered soils that have lost much of their natural fertility due to heavy rainfall. Think of them as soil that’s seen better days but can bounce back with some TLC, like adding compost to replenish nutrients.

  • Inceptisols are young soils that haven’t fully developed yet. They’re a little more fertile than Ultisols but still need improvement to support thriving crops.

  • Entisols are the babies of the soil world—newly formed and the least developed. While they don’t have much fertility yet, they hold promise and can be improved with good soil practices.


Despite these challenges, we’ve got some tricks up our sleeve to turn these soils into fertile, thriving ecosystems.


The Biodiversity Beneath Our Feet


Soil is absolutely teeming with life—like a secret city underfoot! From bacteria and fungi to earthworms and tiny insects, healthy soil is home to a quarter of all living species on Earth. Think of them as your underground allies, working day and night to keep things running smoothly.

Here at Finca Las Hormigas, we’re all about promoting biodiversity—both above and below the ground. Why? Because diversity equals resilience. A thriving soil ecosystem leads to healthier plants, more delicious food, and a stronger foundation for everything we do.


Michi putting Tomatoes in the ground

What do healthy soils do for us?


  • Feed us by producing biomass

  • Store carbon to help fight climate change (soil’s a superhero like that)

  • Regulate water resources, especially underground aquifers

  • Boost climate resilience, especially important here where floods and landslides like to crash the party


The Threat of Soil Degradation


Sadly, soil degradation is a real buzzkill. According to the World Health Organization, 40% of the world’s soils are in trouble. Costa Rica is no exception. Unsustainable farming practices, monocultures, and urban sprawl are stripping the land of its nutrients, while pollution (pesticides, plastics, and heavy metals) is doing serious damage.

The consequences? Degraded soil means poor crop yields, more droughts, and water shortages. In the end, it pushes communities into poverty and forces migration. The good news? There’s hope—and it starts with getting our hands dirty in the right way.


Regenerative Practices at Finca Las Hormigas


At Finca Las Hormigas, we’re big believers in soil healing. We’ve got a toolkit full of regenerative permaculture practices designed to bring our soils back to life. Think of it as soil rehab, but more fun!

Here’s a peek at what we’re up to:


  • Composting: We turn kitchen scraps and manure from local farms into nutrient-rich compost that revitalizes our soils.

  • Vermiculture: Earthworms are our VIPs, turning organic waste into humus—nature’s best soil conditioner.

  • Biochar: By burning wood in a low-oxygen environment, we create biochar, a substance that holds water and nutrients, keeping them available for the soil to soak up.

  • Microorganism Cultivation: We collect forest litter rich in microbes and ferment it into a supercharged fertilizer. (It’s like a probiotic smoothie—for the soil!)


But that's not all! We’ve also set up a Bio-Lab on-site where we concoct natural fertilizers, pesticides, and fungicides from locally sourced ingredients. In this lab, we create powerful organic mixtures that not only feed the soil but also keep pests at bay without the use of harmful chemicals. From fermented plant extracts to caldo caliente fungicide, our bio-lab is where nature meets science to support healthy, thriving ecosystems.



Mulching and Dynamic Accumulators


To protect our soil and keep it cozy, we use mulch around our garden beds and fruit trees. Mulch isn’t just about saving water; it creates the perfect environment for beneficial microbes to do their thing. We also plant support species like vetiver grass and nitrogen-fixing plants, which naturally enrich the soil. They’re like the wingmen of the plant world—always there to lend a helping hand.


Conclusion: Restoring the Land, Reviving the Planet


At Finca Las Hormigas, we’re on a mission to restore our land and revive our planet, one shovelful of soil at a time. Healthy soils are the foundation for a healthy planet, and every small action we take—whether it’s composting, mulching, or supporting biodiversity—brings us closer to that goal.


Ready to dig deeper? Whether you’re curious about permaculture, eager to attend one of our soil workshops, or just want to explore sustainable living, we’d love for you to join us on this journey of restoration. Let's bring the soil (and the planet) back to life—together!





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