John Deere’s ExactApply is an example of a pulse width modification (PWM) nozzle system.

How to choose the right sprayer nozzle

Do some research, but also call a specialist for advice

Glacier FarmMedia – Under the heading “Perhaps Too Much of a Good Thing,” sprayer expert Tom Wolf says the biggest challenge when selecting the right nozzles for the field sprayer […] Read more


The OWL spray system can be scaled and mounted to a variety of existing tools, including vehicles and field robots.

Open access a precision sprayer option

Australian researchers publish free plans and codes for automated spot spraying tool

Interested in building your own precision sprayer?  If the answer is yes, design plans and artificial intelligence (AI) algorithms are now freely available from the University of Sydney’s Precision Weed […] Read more



Goldacres recently built a sprayer that uses Bilberry’s spot spraying program and is towed by a SwarmFarm Robotics platform.

Finding green on green and dead where it needs to be

Spot spraying: Reliably identifying green weeds among a green crop has long been a goal for spot spraying herbicides

Glacier FarmMedia – There’s a race to build computer programs that instantly differentiate weeds from crops within images taken by sprayer-boom mounted cameras. Green-on-brown spraying, where cameras identify plants on […] Read more

The new cabs on the STS Hagie strayers are inspired by the Deere's new combine cabs. The design offers a very wide view of the up-front booms.

Keeping farmer’s machine, making it green

Hagie application tools get more Deere, but keep the layout and feel of the original machine designs

Glacier FarmMedia – For those producers who have owned or followed the history of the Hagie, the 2022 model year will offer substantial changes, but it appears to be keeping […] Read more



Whether to spray or not can be a difficult decision and in the end it lies with the operator.

To spray or not to spray

Documentation and transparency are keys to heading off spray drift conflicts

The Ontario Professional Agri-Contractors Association (OPACA) brought stakeholders to the table for a candid discussion about spray drift.  Deb Campbell, agronomist and owner of Agronomy Advantage near Dundalk, has seen […] Read more