--- product_id: 90214065 title: "Mammoth P Organic Fertilizer Microbial Inoculants 16% Increase in Yield Maximize Phosphorous and Enhance Plant Health Nutrient Supplement Proven to Grow Bigger Yields - 1 Gallon/4 Liter" brand: "mammoth" price: "S$452" currency: SGD in_stock: true reviews_count: 11 category: "Mammoth" url: https://www.desertcart.sg/products/90214065-mammoth-p-organic-fertilizer-microbial-inoculants-16-increase-in-yield store_origin: SG region: Singapore --- # OMRI-certified organic 1 gallon liquid formula 16% yield boost Mammoth P Organic Fertilizer Microbial Inoculants 16% Increase in Yield Maximize Phosphorous and Enhance Plant Health Nutrient Supplement Proven to Grow Bigger Yields - 1 Gallon/4 Liter **Brand:** mammoth **Price:** S$452 **Availability:** ✅ In Stock ## Summary > 🌿 Grow bigger, grow smarter—join the green revolution with Mammoth P! ## Quick Answers - **What is this?** Mammoth P Organic Fertilizer Microbial Inoculants 16% Increase in Yield Maximize Phosphorous and Enhance Plant Health Nutrient Supplement Proven to Grow Bigger Yields - 1 Gallon/4 Liter by mammoth - **How much does it cost?** S$452 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/90214065-mammoth-p-organic-fertilizer-microbial-inoculants-16-increase-in-yield) ## Best For - mammoth enthusiasts ## Why This Product - Trusted mammoth brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Disease Defense Shield:** Protects your plants’ rhizosphere to prevent diseases and promote robust health. - • **Certified Organic Power:** OMRI-certified to keep your garden eco-friendly and thriving naturally. - • **Unlock 16% More Harvest:** Scientifically proven to accelerate growth and maximize your crop yield. - • **Versatile Growth Solution:** Perfect for soil, soilless, and hydroponic systems—seamlessly fits any garden setup. - • **Beneficial Microbial Boost:** Infused with live bacteria and spent filtrate to continuously enhance nutrient production. ## Overview Mammoth P Organic Fertilizer Microbial Inoculants is a 1-gallon liquid nutrient supplement designed to increase plant yields by 16%. OMRI-certified organic and compatible with soil, soilless, and hydroponic systems, it enhances phosphorous uptake, protects against plant diseases, and promotes continuous nutrient production through beneficial microbes. ## Description desertcart.com : Mammoth P Organic Fertilizer Microbial Inoculants 16% Increase in Yield Maximize Phosphorous and Enhance Plant Health Nutrient Supplement Proven to Grow Bigger Yields - 1 Gallon/4 Liter : Patio, Lawn & Garden Review: Fresh product, good price, works great! - Within active date. Received fresh product and it works amazing. Good price too! Usually get it locally but this worked out well! Review: It just works - Works great in my indoor hydroponic system would definitely buy again. A little goes a long way. ## Features - 16% Increased Yield - Speed up plants’ growth without adverse effects using our flower fertilizer. - Certified Organic - OMRI-certified inoculantーallowing plants to act as a natural bloom booster! - For Soil, Soilless & Hydroponic Systems - Plus, it’s compatible with all garden fertilizer programs! - Prevents Plant Diseases - Mammoth grow supplies protect plants’ rhizosphere for a healthier garden! - With Beneficial Bacteria & Spent Filtrate - Encourages the continuous production of plant nutrients! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077HX4LXZ | | Best Sellers Rank | #46,172 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,090 in Garden Fertilizers | | Brand | Mammoth | | Brand Name | Mammoth | | Coverage | Full | | Customer Reviews | 4.7 out of 5 stars 1,009 Reviews | | Item Form | Liquid | | Item Weight | 7.9 pounds | | Liquid Volume | 1 gallons | | Manufacturer | Mammoth | | Mixing Ratio | Refer to product label or manufacturer instructions for optimal mixing ratio with other fertilizers. | | Number of Items | 1 | | Number of Packs | 1 | | Specific Uses For Product | Plant Growth | | Target Species | plants | | UPC | 851015006064 | | Unit Count | 128 Fluid Ounces | ## Product Details - **Brand:** Mammoth - **Item Form:** Liquid - **Item Weight:** 7.9 pounds - **Liquid Volume:** 1 gallons - **Specific Uses For Product:** Plant Growth ## Images ![Mammoth P Organic Fertilizer Microbial Inoculants 16% Increase in Yield Maximize Phosphorous and Enhance Plant Health Nutrient Supplement Proven to Grow Bigger Yields - 1 Gallon/4 Liter - Image 1](https://m.media-amazon.com/images/I/61Y4KKprurL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fresh product, good price, works great! *by M***S on September 9, 2026* Within active date. Received fresh product and it works amazing. Good price too! Usually get it locally but this worked out well! ### ⭐⭐⭐⭐⭐ It just works *by R***R on August 2, 2026* Works great in my indoor hydroponic system would definitely buy again. A little goes a long way. ### ⭐⭐⭐⭐⭐ Effective - expensive or priceless? *by K***L on May 13, 2024* I have almost 100% organic garden and use variety of methods to enrich soil including brewing compost tea; using worm castings; adding biochar; using mulch; compost; using Humic / Fulvic acid; etc. I use organic fertiliser only eg Espoma brand which contains good microbes. I do use additional Mycorrhizal fungi; and variety of commercially available good bacteria to keep soil enriched and alive. I had a problem with one very rare plant that had recovered from Root-knot nematode infection previous year. This year, leaves were mostly dropped with remaining half dead. Plant was dying. I inspected roots and no sign of root knot nematodes. Tried everything possible to revive the plant, including adding good mycorrhizal fungi and bacteria, but no luck. Then I came across a user review that had used cocktail of Mammoth P, Dynomyco Mycorrhizae and Myco Supreme. His assessment was that Phosphate enriching bacteria in Mammoth P, was good complement to the latter two. I had used latter two also, so tried adding Mammoth P, for last try. Wasn’t expecting anything. Magically plant suddenly became alive! It started sprouting from every node !! To make sure this was not just a coincidence, I tried the same cocktail on some other plants. Same positive result!! Dynomyco and Myco Supreme are both good but the combination with Mammoth P, made the magical difference for me. Mammoth P has consortium of bacteria that are 30x more effective in releasing bound phosphorus. This feature must have combined with the power of mycorrhizae, to feed the roots and explode the plant growth. Definitely will continue to incorporate Mammoth P to all my VIP plants. It may be expensive but priceless when it can save difficult to replace plant. Worth every penny. --- ## 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.sg/products/90214065-mammoth-p-organic-fertilizer-microbial-inoculants-16-increase-in-yield](https://www.desertcart.sg/products/90214065-mammoth-p-organic-fertilizer-microbial-inoculants-16-increase-in-yield) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-28*