UBCNews - Business - Organic Humic Acid Soil Amendment: The Secret To Unlocking Fertilizer Efficiency

Episode Date: February 9, 2026

Welcome back, everyone! Today we're getting into something that can truly transform your garden or farm – organic liquid humic acid. I have to admit, when I first heard about it, I thought, 'Wait, acid in my soil?' But our guest today is here to clear that up. So, tell us, what exactly are we talking about when we say humic acid? GS Plant Foods City: Lake Mary Address: 4300 West Lake Mary Boulevard Website: https://gsplantfoods.com/

Welcome back, everyone. Today we're getting into something that can truly transform your garden or farm. Organic liquid humic acid. I have to admit, when I first heard about it, I thought, wait, acid in my soil. But our guest today is here to clear that up. So tell us, what exactly are we talking about when we say humic acid? Great question. Humic acid is actually a natural compound formed from the decomposition of plant and animal matter over thousands of years. Think of it as nature's soil conditioner. It's found in soils and sediments everywhere, and it's packed with benefits for your plants. So it's organic, all natural.

That makes sense. But how does it actually help our soil in plants? Well, humic acid does a few key things. First, it improves soil structure by binding soil particles together. That means better aeration and moisture retention. Your soil can breathe and hold water more effectively. Second, it increases nutrient availability through a process called chelation, which basically means it binds essential minerals like iron, calcium, and zinc,

making them easier for plant roots to absorb. Mm-hmm, that's fascinating. So plants can actually take up more of what they need? Exactly. And there's more. Humic acid stimulates beneficial soil microorganisms. Increased microbial activity means better nutrient cycling, decomposition, and even disease resistance. A thriving soil food web is essential for healthy plants.

Right, so we're feeding the soil life, which in turn feeds our plants. That's a beautiful cycle. I'm curious, though, what about root development? Does humic acid play a role there? Absolutely. Improved soil erration and that thriving microbial life we mentioned contribute to stronger root development. Plants can access more soil, tap into nutrients more efficiently, and become more resilient overall. Plus, humic acid strengthens water retention, which improves drought resistance. Your plants can handle dry spells much better. That's huge, especially for anyone dealing with unpredictable weather, and I imagine that also means less water waste?

Definitely. Cumic acid reduces fertilizer waste too by retaining nutrients longer and preventing leaching. So you're not just helping your plants, you're also benefiting the environment by reducing runoff. I love that. Now let's talk application. If someone's listening and thinking, okay, I want to try this. What should they know? Is liquid better than granular? Liquid humic acid is generally easier to apply compared to granular forms. You can mix it with water or your favorite fertilizer and apply it directly to the soil or as a foliar spray. Many products also contain fulvic acid, which is a smaller molecule that's rapidly absorbed by plants and helps with nutrient delivery.

Interesting. So the combination of humic and folvic acid gives you both soil improvement and faster nutrient uptake. What about combining humic acid with fertilizers? Does that work? Oh, absolutely. Humic acid can be combined with fertilizers

to promote healthy plant growth by improving nutrient absorption. In fact, studies have shown that humic acid can improve fertilizer efficiency by up to 30% and maximize nitrogen absorption. That's a significant boost. Right, exactly. So it's really about maximizing what you're already putting into the soil.

You could say it makes your fertilizer work smarter, not harder. That's a great way to put it. I remember the first time I applied liquid humic acid to a struggling vegetable bed. Within a couple weeks, the plants looked greener and healthier than they had all It was a real eye-opener. I see, go on. Well, beyond just the visual change, the soil itself felt different. Less compacted, more alive.

That's when I really understood the soil health connection. That's a powerful observation. Have you ever wondered why some gardeners seem to have magic soil while others struggle year after year? A lot of it comes down to those invisible soil improvements we're talking about? Absolutely. Absolutely. And speaking of magic, I always joke that humic acid is like a multi-vitamin for your soil. It doesn't do the growing for you, but it sure helps everything work better.

That's a great analogy. Now that point about nutrient absorption sets up our next piece. The role humic acid plays in sustainable farming practices, but first, a quick word from our sponsor. Looking to revitalize your soil and support healthier plants, G.S. Plant Foods specializes in plant nutrition products formulated from organic, all-natural ingredients. Whether you're a home gardener or a farmer, their fertilizers are designed to serve you. Find natural solutions that strengthen soil health and promote vigorous plant growth. Find out more at gsplantfoods.com. Picking up on nutrient absorption, how does improving that lead to more sustainable agriculture in the long run?

Great callback. When plants absorb nutrients more efficiently, you need less fertilizer overall. Humic acid plays a significant role in environmental stewardship. It boosts soil microbial abundance and activity, which improves carbon sequestration and reduces greenhouse gas emissions. It also has a strong acid-based buffering capacity, helping to reduce salinization and regulate soil pH toward neutrality. Right, so we're helping the planet while helping our crops.

That's a win-win. Now, you mentioned fulvic acid earlier. What's the relationship there? Good question. Fulvic acid is a smaller, more soluble molecule that can be absorbed directly by plant roots and leaves. Humic and fulic acid work together. Humic acid improves the soil structure and holds nutrients,

while fulvic acid delivers those nutrients directly into plant cells. Many quality products contain both for maximum benefit. That's a powerful combo. Let me ask you this. Are there any risks or downsides to using humic acid? Cumic acid is generally safe and non-toxic when sourced from organic materials. It's safe to handle, though wearing gloves is a good precaution. The main thing to watch is over-application. Too much can cause temporary nutrient imbalances, but following product guidelines keeps you on track. Right, so just follow the label. What about application rates?

How often should someone apply it? Application rates can vary quite a bit, depending on the product concentration, your soil type, and what you're growing. Many liquid products recommend applying every three to four weeks during the growing season. It's really important to check your specific products label for the right rates. They're not one size fits all. That makes sense. Different soils, different needs. I actually tried adding a soil amendment to my backyard last spring,

and the difference in my tomatoes was night and day. Oh, definitely. A meta-analysis found that humic acid amendment significantly increased crop yield by 12%, nitrogen use efficiency by 27% and nitrogen uptake by 17% on average. Those numbers speak for themselves. The improvements build over time as soil health develops. Those are solid gains, so whether you're growing tomatoes, corn or flowers, humic acid can make a real difference.

Before we wrap up, any final tips for gardeners and farmers looking to get started? I'd say start with a quality, liquid product that contains both humic and fulvic acids. Apply it consistently during the growing season and combine it with your regular fertilizer routine. Monitor your soil and plants. You'll likely see improvements in growth, resilience, and yield. Building healthy soil is a long-term investment that pays off year after year. Beautifully put, healthy soil, healthy plants, healthy planet. Thanks so much for joining us today and sharing your expertise. And to our listeners, give humic acid a try.

Your garden will thank you. Until next time, keep growing.