---
product_id: 10257399
title: "Humic Acid Soil Amendment – Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability – OMRI Listed for Organic Use – 1 Gallon"
brand: "gs plant foods"
price: "678 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/10257399-humic-acid-soil-amendment-leonardite-derived-liquid-concentrate-for-improved
store_origin: PL
region: Poland
---

# Boosts soil nutrient uptake + structure Concentrated liquid for easy application OMRI certified organic & eco-friendly Humic Acid Soil Amendment – Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability – OMRI Listed for Organic Use – 1 Gallon

**Brand:** gs plant foods
**Price:** 678 zł
**Availability:** ✅ In Stock

## Summary

> 🌿 Transform your soil, transform your garden — organically!

## Quick Answers

- **What is this?** Humic Acid Soil Amendment – Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability – OMRI Listed for Organic Use – 1 Gallon by gs plant foods
- **How much does it cost?** 678 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/10257399-humic-acid-soil-amendment-leonardite-derived-liquid-concentrate-for-improved)

## Best For

- gs plant foods enthusiasts

## Why This Product

- Trusted gs plant foods brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Integration:** Compatible with most fertilizers and easy to apply liquid concentrate
- • **Pure Leonardite Power:** Sourced from premium Leonardite for rich, natural soil conditioning
- • **Root Zone Revitalizer:** Supports balanced soil pH and robust root development without synthetics
- • **Certified Organic Confidence:** OMRI listed, perfect for organic and regenerative growers
- • **Unlock Soil’s Full Potential:** Enhances cation exchange capacity for maximum nutrient absorption

## Overview

GS Plant Foods Humic Acid is a 1-gallon liquid concentrate derived from high-quality Leonardite, designed to improve soil structure and nutrient availability. OMRI listed for organic use, it enhances cation exchange capacity and supports healthy root zones, making it ideal for organic gardeners and professionals seeking sustainable soil health solutions.

## Description

GS Plant Foods Humic Acid Soil Amendment – Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability – OMRI Listed for Organic Use – 1 Gallon

## Features

- IMPROVES SOIL STRUCTURE & NUTRIENT AVAILABILITY- GS Plant Foods Humic Acid Soil Amendment supports healthy soil by enhancing cation exchange capacity and helping the root zone access existing nutrients in the soil more efficiently. Derived from high-quality Leonardite.
- OMRI LISTED FOR ORGANIC USE- This product is OMRI Listed under the name GS Plant Foods Organic Liquid Humic Acid, making it suitable for use in certified organic growing programs and regenerative soil practices.
- DERIVED FROM PURE LEONARDITE- Our liquid humic acid is sourced from premium Leonardite deposits, providing a rich supply of naturally occurring organic matter that contributes to long-term soil health and conditioning.
- SUPPORTS A HEALTHIER ROOT ZONE- Humic substances help create a more balanced soil environment by improving nutrient exchange, buffering soil conditions, and supporting strong root-zone development—without synthetic additives or harsh ingredients.
- COMPATIBLE WITH MOST FERTILIZER & SOIL PROGRAMS Use with your existing fertilization schedule. Works well for gardens, houseplants, lawns, trees, greenhouse crops, vegetables, and landscape plants. Avoid mixing with low-pH or high-calcium formulations.
- EASY-TO-USE LIQUID CONCENTRATE- Mix 2 oz per gallon for general applications, 4 oz per gallon for concentrated use, or 1 oz per gallon for foliar sprays. Apply directly to the soil or root area using any sprayer type.

## Product Details

- **Brand:** GS Plant Foods
- **Item Weight:** 9 Pounds
- **Item Form:** Liquid
- **Liquid Volume:** 1 Gallons
- **Specific Uses For Product:** Lawn,Organic,Root

## Images

![Humic Acid Soil Amendment – Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability – OMRI Listed for Organic Use – 1 Gallon - Image 1](https://m.media-amazon.com/images/I/711d-nF1uML.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- GS Plant Foods Organic Liquid Humic Acid with Fulvic - Concentrate Fertilizer for Enhanced Nutrient Uptake and Soil Conditioning - 1 Gallon
- Organic Kelp Fertilizer by GS Plant Foods - Omri Certified (1 Quart) - Kelp Fertilizer for Gardens, Lawns & Soil
- Root Ruckus Compost Fertilizer Organic - Turbo Charged Compost for Plants - Humic Acid & Sea Kelp Nutritional Root Supplement for Lawns, Soil, Shrubs & Vegetables - 1 Gallon

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**Shop now:** [https://www.desertcart.pl/products/10257399-humic-acid-soil-amendment-leonardite-derived-liquid-concentrate-for-improved](https://www.desertcart.pl/products/10257399-humic-acid-soil-amendment-leonardite-derived-liquid-concentrate-for-improved)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-22*