Funny how some issues never go away. For as long as I’ve been in the sprayer business, the question of ideal droplet size for pesticide application has remained a hot topic. At its root are the basic facts that small droplets provide better coverage, making better use of water, but large droplets drift less. So […]
You just finished a great spray day. Everything felt right! Your timing and product choice were bang-on, the weather was good, and your sprayer was calibrated. But, do you know what happened to the spray once it left the nozzle? The behavior of spray droplets, and how they interact with the target, can be tough concepts […]
Read More… from Micron Woman – Guide to the World of Spray Droplets
Originally published in: Wolf, T.M. and Downer, R.A. ILASS Americas, 11th Annual Conference on Liquid Atomization and Spray Systems, Sacramento, CA, May, 1998 Note to reader: It’s been nearly 23 years since we wrote this paper at the invitation of organizers of the Institute for Liquid Atomization and Spray Systems Conference. At the time, custom […]
Read More… from Developing Criteria for the Ideal Agricultural Spray – a Biologist’s Perspective
This article isn’t about best practices, or social contracts, or innovative new technologies. It’s just a fascinating bit of history. If it has any moral at all, perhaps it’s to remember where we came from. I wonder where we’ll be tomorrow? Let’s be clear – the practices described in this article are anachronistic and while […]
Some things have improved a lot. Others have lost ground. Some years ago, a few of us weed scientists sat around a table and debated the most important developments in agriculture in our lifetimes. It was a great discussion, and we arrived at a few that included direct seeding (for its soil and moisture conservation […]