21-6-6 Super Iron® Topdress | 96082 | APEX® Nursery Fertilizer | The J.R. Simplot Company

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Business & Innovation
- Food
  - Our Global Food division is core to our business and our rich history as farmers, empowering us to contribute to sustainably feeding the world through a variety of plant-based product offerings.
  - Simplot Food North America
  - Simplot Food Latin America
  - Simplot Food Asia Pacific
- Agriculture
  - Simplot Agriculture is hard at work across the world, bringing innovation and high-quality crop inputs to places where hard-working farmers are growing the food that fuels our lives.
  - Wholesale Crop Nutrition
    - Wholesale Crop Nutrition offers a full range of high-quality phosphate and nitrogen fertilizers delivered through an extensive distribution network to arrive at the right time, wherever needed.
    - Products
    - Why Simplot
    - Resources
    - Contact Us
    - AgriView
  - Simplot Grower Solutions
  - Simplot Grower Solutions Canada
- Turf Landscape & Nursery
  - Turf, Landscape and Nursery is a 30-year passion-driven effort that leverages our mineral mining and process expertise to help nourish beauty and recreation endeavors around the globe.
  - Professional Products
    - Professional Products make life greener and more vibrant – from the nursery to the golf course – by offering some of the most recognizable names in plant health.
    - APEX® Nursery Fertilizer
      - APEX® fertilizers from Simplot are application-specific nursery nutrition formulations featuring the latest agronomic technologies for beautiful plants.
      - Products
      - About Us
      - Resources
      - Contact Us
      - AgriView
    - BEST® Turf Fertilizer
      - BEST® fertilizers have been trusted for more than 90 years and are specifically formulated for professional turf management, to optimize both the beauty and durability of turf grass.
      - Products
      - About Us
      - Resources
      - Contact Us
      - AgriView
    - GAL-Xeᴼᴺᴱ®
  - Turf & Horticulture
- Livestock
  - Simplot Livestock supports the beef and dairy cattle industry with a variety of services that help producers bring healthy animals to market efficiently and sustainably.
  - Simplot Western Stockmen's
  - Custom Cattle Feeding
  - Specialty Services
  - Feed Ingredients
- Life Sciences
  - Life Science Research and Development helps us grow our understanding of how plants and animals function and can respond to a changing environment and other pressures.
  - Animal Sciences
  - Plant Sciences
- Mining & Manufacturing
- Industrial Products
- Silica Sand
Who We Are
- Company
- Leadership Team
- Our Founder
- News
- Sustainability
  - The J.R. Simplot Company is deeply committed to taking a sustainable approach to people, planet and prosperity as we contribute to feeding our world responsibly.
  - People
    - People are a pillar of our sustainability efforts, which is why we focus on the health and safety of our employees, customers, and communities where we live, work and grow.
    - Engagement
    - Health & Safety
  - Planet
    - Our Planet is at the heart of our sustainability efforts, which is why we focus on protecting our environment through the responsible management of natural resources.
    - 4Sight 2030 Goals
    - Land
    - Water
  - Prosperity
    - Our business practices, products and services help bring greater prosperity and economic value to communities around the world.
    - Integrity
    - Regulatory and Compliance
- Community Involvement
- Foundation
- EBusiness
- Patents
- Contact Us
Careers
Log In
Search

21-6-6 Super Iron® Topdress

21‍-‍6‍-‍6 Super Iron® Topdress

A professional, controlled-release fertilizer for topdressing, broadcast, or incorporation apllication of trees and shrubs with up to 4 to 5 months of urea nitrogen release at 70 °F.

Label Safety Datasheet

Analysis

Nitrogen (N)

21%

- Ammoniacal Nitrogen

1%

- Urea Nitrogen

20%

Phosphate (P₂O₅)

6%

Potassium (K)

6%

Zinc (Zn)

0.05%

Copper (Cu)

0.05%

Iron (Fe)

6%

Magnesium (Mg)

0.5%

Manganese (Mn)

0.0005%

Molybdenum (Mo)

0.001%

Sulfur (S)

2%

21‍-‍6‍-‍6 Super Iron® Topdress

A professional, controlled-release fertilizer for topdressing, broadcast, or incorporation apllication of trees and shrubs with up to 4 to 5 months of urea nitrogen release at 70 °F.

Benefits

The Gal-XeONE® coating is precisely applied to ensure predictable and reliable nutrient release.
Release of nitrogen is not significantly affected by media type, moisture level, pH, or microbial activity.
Used for year-round top dressing, broadcast or incorporation application on TREES and SHRUBS.

Directions
Available Where
International

APPLICATION RATES: (Call for rates on larger containers.)

Use LOW rate for low feeding, sensitive plants or under high soil temperatures. Use MEDIUM rate for medium to moderately heavy feeding plants. Use HIGH rate only for heavy feeding hardy plants.

See label for complete application and usage directions.

Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oklahoma, Oregon, Texas, Utah, Washington, Contact your Simplot Area Sales Manager for Availability

We have product availability in Australia and Canada. Please contact your local Simplot Sales Associate for more details.

Australia

Canada

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Evergreen™ Cool Weather 21-7-7

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