Articles about removing pesticide residue and disposing of rinsate from horizontal boom sprayers
This article was co-developed by Mike Cowbrough, OMAFRA Weed Management Specialist in Field Crops Why scrub filters? Why do we ask you to manually scrub residue from sprayer filters and housings before changing chemistries? Here are three reasons why rinsing in-place may not be good enough: There is potential for biologically-active levels of residue to […]
Here’s an oldie-but-a-goodie filmed in New Hampshire in June, 2014. It’s something to keep in mind when you’re getting your sprayer ready for spring service. We were at a train-the-trainer event when someone asked: If pressure is critical to spray quality and rate, how do you know if your gauge is accurate? A great question, […]
A lot of people are intimidated by sprayer plumbing. One look at the spaghetti bowl of spray mix and hydraulic hoses and valves, and they walk away. It hasn’t helped that much of it is concealed under the frame and all of it is in the same black colour, so figuring it out on your […]
One of the most challenging aspects of a spray operation is the disposal of leftovers or rinsate containing pesticides. Let’s be honest, too much of it is drained onto the ground in a corner of the yard or the field. Nobody’s happy about that, nobody’s proud of it, but what are the alternatives? Waste disposal […]
(An addendum to this article) Our goal in this example is to dilute by a factor of 20,000. The maximum amount of dilution possible with a 1,200 gallon tank and a 30 gallon remainder is 1200/30=40. The formulae: Dilution per Rinse = final dilution ^(1/# of rinses) Rinse Volume = (dilution per rinse * remaining […]