Bowls Services
When challenges arise during the year, New Zealand Sports Turf Institute is here to support you in providing a great bowls surface.
Membership
When challenges arise during the year, NZSTI is here to support your Bowling Club in achieving great bowling surfaces for your members and guests.
We have a membership package tailored to your clubs needs and budget.

Premium
Our premium membership offers you the following benefits:
- Unlimited phone and email support from our Agronomists
- NZSTI Bowls Chemical Guide (2024 – 2025 Edition)
- Fortnightly electronic mail-out addressing seasonal greenkeeping issues
- Written analysis and interpretation of soil and water
- Access to the full Turf Management Journal back catalogue
- Free online job advertisements

Full Advisory
Our full advisory membership offers you the following benefits:
- All the benefits of the Premium Membership, plus
- One on-site advisory visit per annum by an Institute Agronomist:
- During the site visit, turf quality issues will be identified and solutions provided
After the visit, you will receive a detailed report providing advice and recommendations to improve surface quality and performance.
- During the site visit, turf quality issues will be identified and solutions provided
Consultancy
NZSTI provides a range of consultancy services to bowling clubs throughout New Zealand directly or directly to Bowls New Zealand.
Through our team, we have a range of experts in all areas of bowling surface management as well as providing general agronomic advice.
World Bowls Synthetic Testing
NZSTI is the only approved organisation in New Zealand authorised by World Bowls to undertake the testing of greens against World Bowls standards.
Construction and Design
From inception to sign-off, we are equipped to manage your bowls construction project.
Specifications and drawings
- Preparation of concept, working and as-built drawings
- Surface performance criteria
- Drainage system specification
- Irrigation system specification
- Irrigation water supply and water quality assessment
- Turf type
Materials selection
- Rootzone, blinding sand, gravel, topdressing, and bunker sands
- Soil suitability
- Drainage materials
Project management
- Client – contractor relationship management
- Supplier selection
- Monitoring construction standards and tolerances
- Onsite material quality assurance
- Maintenance programme until handover
Laboratory
NZSTI provide a range of laboratory tests including:
Rootzone and topdressing materials, blinding sands and drainage gravels
- Particle size distribution
- Organic matter content
- Moisture release curve
- Hydraulic conductivity
- Calcium carbonate content
- Topdressing material suitability
- pH
Nutrient testing
NZSTI maintains a strategic link with Hill Laboratories Ltd, offering a complete soil test interpretation and fertiliser recommendation service from a chemical analysis of root zones, plant tissue and irrigation water.
Pest and disease diagnostic service
The NZSTI laboratory provides routine pest and disease analysis.