Articles helping with field sprayer nozzle selection
There’s been a lot of talk about rate control in spraying, and one key technology is pulse-width modulated spray systems (PWM). Although PWM has been commercially available for a number of years, we are seeing new products enter the market. This article explains what PWM is and how to make it work in a spray […]
Read More… from Rate Controllers and a Pulse Width Modulation Update
This is the final part of our three-part article discussing methods for digitizing and processing water sensitive paper. You can read part one here and part two here. Morphological operations We can now move on to the larger shapes, or “morphology” of the objects in our binary image. Our goal is to quantify deposits by […]
Choosing the right time to spray can be tricky. Our gut tells us that spraying when it’s windy is wrong. The experts tell us that spraying when it’s calm is wrong. So when can you actually spray? I’ve always advised my clients to spray in some wind, because it has a few advantages. The main […]
Prologue This research was performed in 2012 and since then there have been considerable advances in application technology for asparagus in fern that should be considered. Be sure to read the epilogue at the end of this article. Introduction Diseases such as purple spot can have major economic impacts for asparagus growers, and the best […]
This work was performed with Albert Tenuta (OMAFRA) and David C. Hooker (University of Guelph, Ridgetown). Objective Gibberella ear rot is a significant disease that reduces the quality of grain corn, especially with the accumulation of mycotoxins produced from the causal pathogen(s). With crop management practices providing only modest improvements in disease control, strategies to increase […]