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Item Number: F2360

Diamond K Brand KMS 0-0-21.5 (50 lb)

Supplement of Potassium, Magnesium and Sulfur

Diamond K Brand KMS 0-0-21.5 (50 lb) is a high-quality, natural soil conditioner designed to deliver essential potassium, magnesium, and sulfur for sustainable soil health and maximum crop performance. This water-soluble fertilizer is widely used in commercial agriculture to strengthen plant resilience, improve nutrient efficiency, and enhance soil structure.

Key Benefits:

  • High-Potassium Content (21.5% K): Regulates water uptake, strengthens plant stems, and improves stress tolerance.
  • Magnesium for Photosynthesis (10.8% Mg): Aids in chlorophyll production and overall plant energy transfer.
  • Sulfur for Soil Health (22% S): Enhances protein synthesis and microbial activity for balanced soil fertility.
  • Highly Soluble & Efficient: Quickly dissolves for easy plant uptake and soil improvement.
  • Improves Soil Structure: Enhances aeration, drainage, and moisture retention for optimal growing conditions.
  • OMRI-Listed for Organic Use: Safe for certified organic farming.

Application Guidelines:

  • Soil Application: Apply 20-50 lbs per acre, depending on soil test results.
  • Foliar Spray: Use 1-2 lbs per acre for quick nutrient absorption.
  • Fertigation: Dissolve in irrigation systems for uniform distribution.
  • Storage Note: This product absorbs moisture and may solidify, but remains fully soluble and effective.

Diamond K Brand KMS 0-0-21.5 (50 lb) is a trusted choice for large-scale growers looking to improve soil health and boost crop productivity. Incorporate this natural amendment into your agricultural practices for stronger, healthier plants and sustainable yields.

For small-scale applications, Diamond K Brand KMS 0-0-21.5 is also available in a 5 lb bag.

Listed for Use in Organic Agriculture by the Organic Materials Review InstituteApproved for Organic Agriculture by the Washington State Department of AgricultureApproved for Organic Agriculture by the California Department of Food and Agriculturefoliar
$44.99
Discount applied. Offer ends soon.
Next-day shipping available

Check Your Zone Compatibility:

Shipping Information

Ships from Northern CA.

Does not qualify for Flat Rate Shipping.

Shipping Weight: 51.0 lb

Dimensions: 21.5"L x 15.5"W x 5.5"H

Features

    Characteristics

    Organic Status: Approved for Use in Certified Organic Agriculture
    Animal-Based : No
    Fertilizer Type : Water-Soluble
    Major Nutrients : Sulfur
    Major Nutrients : Trace Minerals
    Nutrient Release Rate : Immediate (0-1 Months)
    Use as Foliar : Yes
    Organic Certifier: OMRI, WSDA, CDFA

    Use Instructions

    Useful Information

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