How to
participate

1. BUILD your fence using the approved materials and safety guidelines.
2. TAKE A PHOTO and send it via WhatsApp (+254 732 082888) or the email customercare.africa@sistema.bio before Febuary 23rd.
3. WIN a cookstove or burner and a free service visit.

Fence Building
Guidelines

Materials

Recommended materials for safe installation

Poles
Wooden scafolding timber, 50-70mm diameter
Galvanized tube or painted PTR

Mesh
Low-carbon steel

Dimensions & Placement

Height and spacing to ensure proper protection

Height
1.00m - 1.20m

Spacing
Keep a 40cm gap between the fence and the tank for a safe walkway.

Locking System

Prevent unauthorized access

Suggested materials
Galvanized wire
Nylon rope
Binding Wire

Bottom anchoring

Avoid gaps at the ground

Fixed
Use rope in a zigzag pattern along bottom and top

Buried
When using a metal mesh bury the bottom

CORRECT INSTALLATIONS

INCORRECT INSTALLATIONS

Fence Building
Guidelines

Important dates
Start date
January 22nd, 2026

End date
February 23rd, 2026

Winners announcement
March 5th, 2026
Prizes*
- Cookstove or Burner
- Service visit by authorized technician
- 1 prize per household

*Prizes are non-exchangeable, non-transferable, and cannot be redeem for cash.
Photos
- Submit one photo showing the fenced biofertilizer tank of your system.

- Photos must not contain any identifiable people.

- Images with faces will be disqualified.

Please send your photo
to this WhatsApp number

1. Organizer

This contest (“Contest”) is organized by [Company: Good Farmland Management Kenya Limited, with its principal place of business at 27 Parklands Rd, Nairobi, Kenya (“Organizer”).

Contact: 

Email: customercare.africa@sistema.bio

Phone: +254711 082 888

  

2. Eligibility

  • Open to current customers of the Organizer in Kenya.
  • Participants must be 18 years or older.
  • Only one entry per household is allowed.


3. Contest Description

Participants must submit one photograph showing how they have fenced the biofertilizer tank of their biodigester system. The fence should be built from robust materials to keep small animals and unauthorized people, especially children, out of the secured area. It must be robust enough to resist 30 kg.

The allowed fencing materials are:

  • Pole type: Round wooden scaffolding timber, min diam 50-70 mm, galvanized tube or painted PTR.
  • Mesh: Plastic/HDPE UV-stabilized mesh, low-carbon steel.
  • Locking mechanism & tension wire: Galvanized wire, nylon rope, binding wire.
 

Not authorized materials are:

  • Material in bad shape, such as rotten wood, loose bindings, or torn nets/mats. Only materials in good shape are allowed.

The use of any of the listed materials will result in automatic disqualification.

Photographs must not contain any identifiable people. Images featuring individuals’ faces will be automatically disqualified.


4. How to Enter

Participants may enter the Contest by sending one photograph via:

  • WhatsApp to: +254711 082 888
 

By submitting an entry, the participant confirms:

  1. They are the legal owner of the image.
  2. The photo was taken at their own farm/property.
  3. No individuals appear in the image.


5. Contest Period

  • Start date: January 22nd, 2026
  • End date: February 23rd, 2026
  • Entries received after the closing date will not be accepted.


6. Selection of Winners

  • A regional technical panel appointed by the Organizer will evaluate entries based on:
    • Please refer to all the qualifying and disqualifying elements listed in the section above.
    • Additional evaluation criteria to differentiate amongst the best options:
      • Gate design: A gate with a lock should be visible
      • There is a minimum of 40 cm between the tank and the fence, all around.
      • Picture’s aesthetics
  • The Organizer’s decision is final and cannot be appealed.
  • Winners will be notified through the same channel used for their submission.
  • The winners’ list will be communicated within one month after the closing of the award campaign.


7. Prizes
The prizes include:

  1. One (1) free service visit by an authorized technician.
  2. One (1) Cookstove or Burner (“Prize”).


Prizes are:

  • Non-exchangeable
  • Non-transferable
  • Cannot be redeemed for cash


The Organizer will schedule the site visit and the delivery of the Cookstove and/or burner based on its service routes. Prizes will be delivered within 6 months of the winner announcement date.


8. Rights to Use the Submitted Photographs

By entering the Contest, the participant:

  • Grants the Organizer a non-exclusive, worldwide, royalty-free license to use, reproduce, display, publish, adapt, and share the photograph for: Marketing, Training, Educational and Reporting or internal documentation purposes.
  • Confirms they are the author and hold full rights to the image.
    Confirms the photo does not infringe third-party rights (including property rights, trademarks, or privacy).

The Organizer will not use participants’ names or phone numbers publicly without additional consent.


9. Data Protection and Privacy
The Organizer will process personal data (phone number, photo, name) in accordance with:

  • Kenya: Data Protection Act 2019

Participants have the right to:

  • Request access, correction, or deletion of their data
  • Withdraw consent at any time

Data will be stored by the organizer to maintain continuous contact regarding its services, product promotion, and related activities.
The Organizer will not sell or share personal data with third parties except as required by law.


10. Disqualification

Entries may be disqualified if:

  • The photo includes any person, even partially.
  • The participant does not own the rights to the image.
  • The entry is incomplete, unclear, fraudulent, or submitted using automated tools.
  • The participant attempts to manipulate the Contest outcome.


The Organizer reserves the right to remove any entry that is offensive, inappropriate, or illegal.


11. Limitations of Liability

The Organizer is not responsible for:

  • Network failures or problems with WhatsApp delivery
  • Damaged, lost, or corrupted files
  • Technical issues or delays
  • Any accident or incident that may occur during the taking of the photo


Participants assume all risks associated with photographing their property.


12. Independence From WhatsApp, Meta, and Telecom Operators

This Contest is not sponsored, endorsed, administered, or associated with WhatsApp, Meta, or any telecommunications provider.
Participants release these companies from any liability related to the Contest.


13. Governing Law and Jurisdiction

Any dispute arising from this Contest will be governed by the laws of Kenya, without regard to conflict of law principles.


14. Acceptance of Terms

Participation in the Contest implies full acceptance of these Terms & Conditions.

The Organizer reserves the right to modify the Terms only when required by law or operational needs; any changes will be communicated appropriately.

Size your
Biodigester 😊
Disclaimer