Four Rules of Nozzle Selection

Nozzle choice can be overwhelming due to the large selection available from many suppliers.  But nozzles are the most important part of the sprayer, being responsible for metering the liquid, atomizing it into droplets, and distributing it across the boom. Review this list for what’s available, then follow these general recommendations. 1. Choose a Coarse […]

Read More… from Four Rules of Nozzle Selection

What’s a Ramsay Valve?

This article has been modified with kind permission from an article on Retrofit Parts. Liquid pressure in an agricultural sprayer must be controlled so as to apply the correct volume of spray per hectare. For sprayers that use positive-displacement pumps driven by the tractor’s power take-off, higher flow rates are produced than are actually required. […]

Read More… from What’s a Ramsay Valve?

Insecticidal Management of Rangeland Grasshoppers using RPAS

This article summarizes a 2022 paper that can be downloaded here. Grasshoppers are an integral part of rangeland ecosystems, but population outbreaks can cause significant damage to adjacent crops and forage. For example, cattle consume about 1.5-2.5% of their body weight in forage per day, so pound for pound, a grasshopper will eat 12-20 times […]

Read More… from Insecticidal Management of Rangeland Grasshoppers using RPAS

RPAS Coverage and Drift in Field Corn

This work was performed with Mark Ledebuhr (Application Insight LLC.), Adrian Rivard (Drone Spray Canada) and Adam Pfeffer (Bayer Crop Science – funding partner). Amy Shi is gratefully acknowledged for her assistance with statistical analysis. Introduction In June 2017, Transport Canada cleared the general use of drones. In 2018, Health Canada clarified that the use […]

Read More… from RPAS Coverage and Drift in Field Corn

Airblast Nozzles – Distributing Flow

There’s a certain deer-in-headlights expression that creeps onto a sprayer operator’s face when we discuss nozzle selection. We sympathize with our field sprayer clients given the variety of brands, styles, flow rates and spray qualities they must choose from. And PWM has made the process even more complex. However, airblast operators face an additional challenge; Unlike […]

Read More… from Airblast Nozzles – Distributing Flow