Current Demonstration Projects
Since its inception in 1993, SEPWA has undertaken a diverse and extensive range of trials and projects to help Esperance Port Zone growers produce premium quality wheat, barley, canola and legumes. SEPWA has a range of trial data available back to 2011. To access records from earlier years, please contact us.
SEPWA DEMONSTRATION SITES 2026
HyPER PROFITABLE CROPS
Site Locations: Condingup, Neridup, Dalyup, Coomalbidgup, Munglinup
Project Donor: GRDC, Host Growers, SEPWA & FAR Australia
This project aims to transform on-farm profitability for wheat and barley growers in the high-rainfall zones of Australia, closing the gap between actual crop yields and profitability possibilities in these zones.
Comparison of nitrogen demand & Banking strategies – 4 sites
Site Location: Cascade, Scaddan, Grass Patch, Beaumont
Project Donor: GRDC, Host Growers & SEPWA
This project aims to compare the yield, protein and profitability outcomes of 9 different nitrogen decision making strategies over a three-year crop rotation. It will provide data on whether applied N not used by crops in the year of application carries over to subsequent seasons and if there are consequences of excessive N fertiliser for crop productivity. It will also provide information about the efficacy of brown manured legumes in providing biological N rather than synthetic N.
NGN MILLING OATS
Site Locations: Grass Patch, Neridup, Beaumont
Project Donor: GRDC, SEPWA & Host Growers
In 2025 SEPWA implemented the first year of a two-year GRDC NGN investment looking at Milling Oats Agronomy for the Esperance Port Zone.
This project has two components: understanding how local growers can best access global markets, and testing the agronomic practices needed to consistently achieve milling quality, or OAT1.
RI$KWISE – 1 SITE
Site Location: Grass Patch
Project Donor: GRDC, Host Grower & SEPWA
The paddock-based part of this project aims to investigate the risks and rewards of nitrogen and crop rotation decision-making in the medium to low rainfall zone. The production, financial and carbon efficiency outcomes from three Nitrogen treatments and three crop rotation treatments will be tested over four years.
dam catchment liner & WATER QUALITY
Site Location: Multiple sites across the EPZ
Project Donor: Community Water Supply Program, Host Growers, DPIRD & SEPWA
This project aims to gauge the efficacy of using a cost-effective material – second-hand CBH tarpaulins – to increase water run-off into dams and to test if the use of tarpaulins improves water quality.
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