---
product_id: 367311206
title: "12% Humic Acid for Lawns Bio-Stimulant Liquid Fertilizer - 1 Gallon Covers 14,222 Square Feet - Increased Root Growth, Nutrient Uptake and Soil Structure"
brand: "yard mastery"
price: "¥28911"
currency: JPY
in_stock: true
reviews_count: 8
category: "Yard Mastery"
url: https://www.desertcart.jp/products/367311206-12-humic-acid-for-lawns-bio-stimulant-liquid-fertilizer-1
store_origin: JP
region: Japan
---

# Boosts root growth & nutrient uptake 12% Humic Acid concentration Covers 14,222 sq ft per gallon 12% Humic Acid for Lawns Bio-Stimulant Liquid Fertilizer - 1 Gallon Covers 14,222 Square Feet - Increased Root Growth, Nutrient Uptake and Soil Structure

**Brand:** yard mastery
**Price:** ¥28911
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock the secret to a lawn that commands attention!

## Quick Answers

- **What is this?** 12% Humic Acid for Lawns Bio-Stimulant Liquid Fertilizer - 1 Gallon Covers 14,222 Square Feet - Increased Root Growth, Nutrient Uptake and Soil Structure by yard mastery
- **How much does it cost?** ¥28911 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/367311206-12-humic-acid-for-lawns-bio-stimulant-liquid-fertilizer-1)

## Best For

- yard mastery enthusiasts

## Why This Product

- Trusted yard mastery brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Coverage:** One gallon treats a massive 14,222 sq ft—perfect for large yards or multiple zones.
- • **Vibrant, Lush Lawns:** Increases chlorophyll content for visibly richer, healthier turf that stands out.
- • **Soil Health Revolution:** Transforms soil structure to enhance moisture retention and nutrient absorption.
- • **Trusted by Garden Pros:** Highly rated with 4.7 stars and proven results that keep your lawn thriving season after season.
- • **Maximize Your Lawn’s Potential:** Powerful 12% humic acid formula fuels deeper roots and greener grass.

## Overview

Yard Mastery’s 12% Humic Acid Liquid Fertilizer is a premium bio-stimulant designed to cover over 14,000 sq ft per gallon. It enhances root growth, nutrient uptake, and soil structure, resulting in healthier, greener lawns. Trusted by thousands with a 4.7-star rating, this liquid formula is ideal for professional-grade lawn care and sustainable garden vitality.

## Description

desertcart.com : 12% Humic Acid for Lawns Bio-Stimulant Liquid Fertilizer - 1 Gallon Covers 14,222 Square Feet - Increased Root Growth, Nutrient Uptake and Soil Structure : Patio, Lawn & Garden

Review: Works as advertised... - Seems to work as advertized.
Review: use it - Great stuff.

## Features

- Increased root growth
- Increased chlorophyll content
- Increased nutrient uptake
- Improved soil structure
- Improved plant quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09J1H67MW |
| Best Sellers Rank | #72,412 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,541 in Garden Fertilizers |
| Brand | Yard Mastery |
| Brand Name | Yard Mastery |
| Coverage | 14,222 square feet |
| Customer Reviews | 4.7 out of 5 stars 118 Reviews |
| Included Components | Humic Acid for Lawns |
| Item Form | Liquid |
| Item Weight | 6 ounces |
| Liquid Volume | 128 fluid ounces |
| Manufacturer | Greene County Fertilizer |
| Mixing Ratio | 1:0:0 |
| Model Number | HUM-GAL |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | YM-HUM |
| Specific Uses For Product | Lawns |
| Target Species | lawns |
| Unit Count | 128 Fluid Ounces |

## Product Details

- **Brand:** Yard Mastery
- **Item Form:** Liquid
- **Item Weight:** 6 ounces
- **Liquid Volume:** 128 fluid ounces
- **Specific Uses For Product:** Lawns

## Images

![12% Humic Acid for Lawns Bio-Stimulant Liquid Fertilizer - 1 Gallon Covers 14,222 Square Feet - Increased Root Growth, Nutrient Uptake and Soil Structure - Image 1](https://m.media-amazon.com/images/I/51vxPZjkc0L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works as advertised...
*by S***N on July 3, 2026*

Seems to work as advertized.

### ⭐⭐⭐⭐⭐ use it
*by A***R on March 29, 2025*

Great stuff.

### ⭐⭐⭐⭐⭐ always apply before a rain so it soaks into the soil. Becareful spraying because it will stain
*by D***A on May 22, 2024*

Makes the grass greener and healthier.

## Frequently Bought Together

- 12% Humic Acid for Lawns Bio-Stimulant Liquid Fertilizer - 1 Gallon Covers 14,222 Square Feet - Increased Root Growth, Nutrient Uptake and Soil Structure
- 0-0-1 RGS Root Growth Bio-Stimulant, Sea Kelp | N-Ext
- MicroGreene 0-0-2 - Micronutrient Supplement with Bio-Stimulants - 1 Single Gallon (128 oz) Covers up to 21,300 sq ft - Stimulate Roots and Soil Activity, Increase Plant Health, Improve Soil Fertility and Water Holding Capacity

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/367311206-12-humic-acid-for-lawns-bio-stimulant-liquid-fertilizer-1](https://www.desertcart.jp/products/367311206-12-humic-acid-for-lawns-bio-stimulant-liquid-fertilizer-1)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-20*