---
product_id: 38959907
title: "20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid"
brand: "the seed supply"
price: "$417.19"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/38959907-20-lb-pulverized-leonardite-by-the-seed-supply-natural-unaltered
store_origin: EC
region: Ecuador
---

# Organic Soil Enhancer 70% Humic Acid 90% <30 mesh 20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid

**Brand:** the seed supply
**Price:** $417.19
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate Your Soil Game with Nature's Power!

## Quick Answers

- **What is this?** 20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid by the seed supply
- **How much does it cost?** $417.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/38959907-20-lb-pulverized-leonardite-by-the-seed-supply-natural-unaltered)

## Best For

- the seed supply enthusiasts

## Why This Product

- Trusted the seed supply brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Use:** Create a fully dissolved solution in water for hassle-free application.
- • **Flexible Rates:** Apply 75-150 lbs. per acre or 1-10 lbs. per 100 sq. ft. for tailored results.
- • **Microbial Boost:** Enhance microbial activity and stimulate vibrant soil life.
- • **Versatile Application:** Perfect for all crops and compost—easy to integrate into your routine.
- • **Unlock Nutrient Potential:** Transform your soil with 70% humic acid for maximum nutrient uptake.

## Overview

20 Lb Pulverized Leonardite by The Seed Supply is a natural, unaltered oxidized lignite powder containing 70% humic acid. This biochemically active organic material enhances nutrient uptake, boosts microbial activity, and stimulates soil life. With a particle size 90% less than 30 mesh, it can be easily applied to all crops and compost, making it a versatile addition to any agricultural practice.

## Description

20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid

## Features

- Pulverized leonardite powder is a biochemically active concentrated source of humic acids containing 70% humic acid (by weight).
- Naturally-occurring, unaltered oxidized lignite is pulverized to a particle size 90% less than 30 mesh.
- This powder is an organic material which is added to your soil to enhance uptake of nutrients, increase microbial activity and stimulate soil life, and can be used as a supplemental source of trace elements.
- Can be applied to all crops and compost.
- Create a fully dissolved solution in water. Apply using 75-150 lbs. per acre or 1-10 lbs. per 100 sq. ft., broadcast in fall, post-harvest or early spring, either pre-plant or with seed. Incorporating into the soil is not required.

## Product Details

- **Brand:** The Seed Supply
- **Item Weight:** 20 Pounds
- **Item Form:** Powder
- **Coverage:** 100 square feet
- **Mixing ratio:** 1:0:0

## Images

![20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid - Image 1](https://m.media-amazon.com/images/I/91iI0w+99WL.jpg)

## Frequently Bought Together

- 20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid
- Xtreme Gardening RTI RT4402 Mykos, 2.2-Pound Bag
- Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1, 4oz

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**Shop now:** [https://www.desertcart.ec/products/38959907-20-lb-pulverized-leonardite-by-the-seed-supply-natural-unaltered](https://www.desertcart.ec/products/38959907-20-lb-pulverized-leonardite-by-the-seed-supply-natural-unaltered)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-18*