Water and fertiliser are two of the biggest costs – and opportunities – for cane growers in the Burdekin, and new insights are highlighting how the two are closely linked.
According to Farmacist agronomists, irrigation scheduling can play a decisive role in whether nitrogen fertiliser is effectively used by the crop or lost through run-off, leaching or denitrification.
With sugarcane heavily reliant on nitrogen for growth, ensuring the nutrient remains in the root zone is vital. Poorly timed irrigations risk washing valuable fertiliser away before the cane has a chance to use it.
Tools such as the GDot soil moisture sensor are proving to be a simple yet effective way for growers to fine-tune irrigation timing. By monitoring soil moisture, farmers can better match water applications to crop needs, reducing stress on cane while improving fertiliser efficiency.
Farmacist says the benefits extend beyond productivity. Smarter irrigation not only helps keep nitrogen where it belongs but also reduces environmental losses, supporting both economic and sustainability outcomes for the industry.
“By aligning irrigation with crop demand, growers can make every drop of water – and every kilogram of nitrogen – work harder for them,” the article notes.
With the Burdekin region so dependent on irrigation, adopting these strategies offers significant potential to lift yields while lowering costs and protecting waterways.
For more information, visit: farmacist.com.au/blog/nitrogen-management-and-irrigation-scheduling.
Photo source: Farmacist
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