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      • Biochar
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      • PoultryGuard™ Solution
      • SwineGuard™ Solution
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      • Red Meat Biochar Solution
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      • Biochar Applications
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      • ESG Consultation
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    • SALW Club
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    • Contact Us
Master Key Africa
  • Home
  • Biochar
    • Biochar
    • Sustainable Agriculture
    • Carbon Credits
    • Biochar Plant Sales
    • PoultryGuard™ Solution
    • SwineGuard™ Solution
    • Soil Guard™ Solution
    • Red Meat Biochar Solution
    • Wood Vinegar Application
    • Biochar Applications
  • Consultancy Services
    • ESG Consultation
    • Farmers
    • Supermarkets
    • Water Authorities
    • Government
    • Power Generation
    • Farm Animal Solutions
    • Land Recovery
  • SALW Club
  • Traffic into Electricity
  • Contact Us

Soil Guard™: Turn Soil Health into Carbon Credit Revenue

Claim up to R8,250/ha/year by going regenerative — we handle the admin, you get the rewards.

Healthy soil is no longer just good farming — it’s profitable climate action. With Soil Guard™, Master Key Africa helps you unlock carbon credit income and better crop yields through wood vinegar-based soil regeneration.

You don’t need to change your crop. You don’t need to learn a new system. You just need a proven product — and a trusted partner to register and sell your credits.

The Financial Opportunity per Hectare

Benefit Category                             Estimated Value (ZAR)

Carbon Credits                             R4,500/year

Yield Improvement                           R3,750/year

Total Value                                         R8,250/year"


Why Soil Guard™?

Soil Guard™ is a verified regenerative input made from wood vinegar. It qualifies your farm for leading carbon registries while improving soil structure, microbial life, and crop resilience.

With Master Key Africa, you also get:

  • Soil carbon testing & analysis 
  • Full registration & verification support 
  • Record-keeping tools and templates 
  • Credit tracking and profit share 
  • Dashboard access and mobile support

No paperwork. No risk. Just results.

DIY vs. Partnering With Us

Item                                           DIY Approach                                  With Master Key / SALW Club

Soil Testing (per ha)                    R750                                                                  Included

Registry Setup                            R5,000+                                                          Included

Annual Verifier Audit                    R15,000+                                                          Included

Monitoring Tools & Reports    R2,000+                                                          Included

Total Cost (Year 1)                    R22,750                                                          R2,400 (flat fee)

Who Issues the Credits?

Your credits are certified by leading registries like:

  • Verra (VM0042 Soil Methodology)
  • American Carbon Registry (ACR)
  • Climate Action Reserve

We handle everything from verifier onboarding to registry approval — so you can focus on farming.

Ready to Claim What Your Soil Is Worth?

Get started with Soil Guard™ in 3 easy steps:

  1. We test your soil
  2. You apply Soil Guard™ as part of your normal programme
  3. We handle your credit claim, sale, and payout

Soil Guard™ makes it possible. We make it simple.

 Turn your soil into a revenue stream — not just a growing medium.  Book your carbon strategy session now. 

Find out more
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