Getting the most efficiency from limited Nitrogen
by Bill Crabtree, Agronomist Nitrogen use efficiency is critical when supply is tight. Bill Crabtree outlines six practical strategies to help WA grain growers do more with less N this season. Six Ways to Improve Nitrogen Use Efficiency This Season With restricted nitrogen supply this year it is...
Aquifer Wins the Gossip Wars
by Bill Crabtree, Agronomist Aquifer soil wetter continues to outperform competitors across multiple WA trial sites, with 2025 response curve data showing consistent results in wheat emergence, NDVI and grain yield. If you're weighing up your seeding inputs this year, the full data set is worth a...
Aquifer With a Twin System
by Bill Crabtree, Agronomist and General Manager of 4Farmers The 800 kg/ha wheat yield increase from 2 L/ha of Aquifer (see graph) has created much discussion and enthusiasm. This wetter trial showed dramatic visual differences from the start. It was on a very water repellent sand, and all rates...
Managing liquid N and Aquifer risk
by Bill Crabtree, Agronomist Aquifer liquid N combinations are gaining traction across WA, but Bill Crabtree explains why the risks - particularly in dry conditions - are just as important to understand as the opportunities, and what the 2025 Mindarabin yield data really shows. Aquifer liquid N...
Zinc Advance – a new Zn liquid
by Bill Crabtree, Agronomist and General Manager of 4Farmers We all know that chelates have many advantages over sulphates and oxides and 4Farmers are pleased to have copper, zinc and manganese chelates. But they are more expensive. So that is why we have used our expert chemist, David Seagreen,...
Aquifer and Wetters and More
by Bill Crabtree, Agronomist and General Manager of 4Farmers Aquifer soil wetter is being used by WA growers as low-cost germination insurance on sandy, water repellent soils. This article explains where it works best, how it mixes in liquid systems, and what results farmers are seeing. Aquifer...
Aquifer: Better, Cheaper!
by Bill Crabtree, Agronomist and General Manager of 4Farmers Aquifer soil wetter is delivering strong establishment and yield gains on WA water repellent sands. This article shares results from a Mindarabin wheat trial comparing Aquifer vs SE14, including placement learnings and ROI. Aquifer soil...
Aquifer gives 36 fold ROI
by Bill Crabtree, Agronomist and General Manager of 4Farmers Aquifer soil wetter is delivering standout ROI results in WA wheat trials, with independent data from Mindarabin showing yield gains of up to 820 kg/ha. If you haven't considered a soil wetter in your crop input program, this trial...
Rural Focus Radio Interview – 16 July 2020 – Part 2