Dicamba Training: Equipment Cleanout

Greg Kruger Author

11/30/2018 Added

33 Plays

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Increasing concerns about off-target dicamba drift has led to increasingly specific product and equipment handling, application and cleanup. This video describes how to properly clean out equipment, to avoid even minute residues from harming off-target crops and plants.

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[00:00:00.291](upbeat music)
[00:00:08.500]Hi, I'm Greg Krueger a Weed Science
[00:00:10.620]and Pesticide Application Technology Specialist
[00:00:12.960]at the University of Nebraska,
[00:00:14.080]Lincolns West Central Research
[00:00:15.460]and Extension Center North Platte.
[00:00:17.330]Today I'm gonna talk through how to clean a tank
[00:00:20.980]and why it's important to go through
[00:00:22.950]cleaning the sprayer out thoroughly.
[00:00:25.240]So when we talk about spray applications
[00:00:29.560]the tank clean out part is one of the most crucial
[00:00:31.980]because we don't wanna carry one pesticide
[00:00:34.880]from one field, or one crop into another crop.
[00:00:37.741]There's risk for damage of that subsequent crop,
[00:00:42.090]which could result in yield loss
[00:00:44.160]or economic losses in other ways
[00:00:46.670]as well as fields that don't look
[00:00:49.200]quite the way we want 'em to.
[00:00:50.830]So we have these unesthetic situation.
[00:00:53.770]So making sure that we thoroughly clean that sprayer out
[00:00:57.690]when we get finished with one application
[00:00:59.290]before we move to another is absolutely critical.
[00:01:02.060]Now with that said, as we move into using more
[00:01:05.970]and more dicamba tolerant crops
[00:01:08.025]we're seeing that this is even more critical
[00:01:10.870]because of some of the very, very low doses of dicamba
[00:01:14.970]that can cause injury in non dicamba tolerant soybeans.
[00:01:18.370]So when we talk about tank clean out it's really important.
[00:01:22.250]As we look ahead we're seeing more
[00:01:24.880]and more restrictions on pesticide applications,
[00:01:27.290]documenting how and when we've cleaned out that sprayer.
[00:01:31.630]So making sure that we do a thorough job
[00:01:33.970]is important to minimizing any kind of risk
[00:01:36.350]of injury to subsequent crops and making sure
[00:01:39.790]that we've go the proper documentation
[00:01:42.240]from a legal standpoint.
[00:01:43.920]So when we think about cleaning out a sprayer,
[00:01:45.817]all sprayers have a few common parts in common.
[00:01:50.302]The first ones the tank
[00:01:51.691]and this is the biggest harbor for potential residues.
[00:01:55.140]So when we start to clean out the sprayer
[00:01:57.920]the first place we're gonna think.
[00:01:59.436]This tank is gonna hold whatever we were spraying.
[00:02:03.680]We've gotta make sure we get inside there,
[00:02:05.389]rinse down the walls and get that clean.
[00:02:08.506]Every application we would recommend a triple rinse.
[00:02:12.070]Some labels may be even more restrictive than that,
[00:02:14.530]so make sure you consult the label
[00:02:16.100]for the product you're using.
[00:02:17.238]for the product you're using.
[00:02:18.071]From the tank that solution
[00:02:20.020]when we're making a spray application
[00:02:21.480]is gonna run into the hoses.
[00:02:23.210]The hoses are the second place
[00:02:24.610]that we're gonna start to think about
[00:02:26.250]in terms of potential risk of tank contamination.
[00:02:29.870]So cleaning out those hoses and lines are gonna be critical.
[00:02:33.263]Again, like we said with the tank
[00:02:35.940]a triple rinse is gonna be good.
[00:02:37.740]We're gonna wanna flush that boom with fresh water,
[00:02:40.240]clean water to make sure we get everything out of the tank.
[00:02:45.080]Some of our new sprayer self propelled sprayers,
[00:02:47.768]which are gonna be much larger than the one behind me,
[00:02:50.498]could hold as much as 50 gallons of solution
[00:02:54.450]after that tank is completely emptied.
[00:02:56.520]Just in the hoses, lines, and pumps.
[00:02:59.300]So making sure that we get all of that,
[00:03:01.300]the solution that could be settin' I those lines
[00:03:04.190]is gonna be critical.
[00:03:06.660]On top of that, on the back side here,
[00:03:08.870]you can see that we've got a filter system.
[00:03:11.410]Pullin' off those filters that could harbor residues
[00:03:15.420]is gonna be critical, making sure those filters are clean
[00:03:17.760]when we go into that next field,
[00:03:20.290]that next crop with the different pesticide is important.
[00:03:23.940]The other place that we wanna check is the nozzles.
[00:03:27.160]At the nozzles we a lot of the times
[00:03:29.020]have tip screens or the nozzles themselves
[00:03:31.390]could be harbors for residues.
[00:03:33.610]Making sure that those are clean is also important.
[00:03:36.690]So again, every sprayer's gonna have those components.
[00:03:41.092]How many different filters and nozzles
[00:03:45.100]and nozzles, whether we have nozzles screens
[00:03:47.110]is gonna vary from sprayer to sprayer,
[00:03:49.000]but all those components are potential harbors
[00:03:51.370]for residues.
[00:03:53.530]Now when we start to think about how do we set up a sprayer.
[00:03:56.660]I know when I go to purchase a new sprayer,
[00:03:59.551]tank contamination's not the first thing on my mind,
[00:04:03.180]but as we think about purchasing or building a new sprayer
[00:04:07.690]we may wanna consider some of these component as we do that.
[00:04:11.160]Again, starting with the tank,
[00:04:12.930]if we go to a stainless steel tank,
[00:04:14.810]stainless steel tanks tend to be much easier to clean out.
[00:04:17.700]Less likely to harbor residues.
[00:04:19.600]Some of the poly tanks, if we leave a spray solution
[00:04:23.720]set in that tank over time,
[00:04:25.160]Those pesticides can pull into the plastic
[00:04:27.199]making it more difficult to get those cleaned out.
[00:04:30.560]When we think about our hoses that's another good place
[00:04:33.540]to think about when we're putting a new sprayer together.
[00:04:36.480]Generally speaking, you get what you pay for.
[00:04:39.500]A lot of times though, what we see is the higher end hoses,
[00:04:42.370]ten to have less pitting in 'em
[00:04:44.068]and they're much easier to clean.
[00:04:46.239]Those Polyethylene jacketed hoses
[00:04:48.900]and thins like that, while they do cost more,
[00:04:51.610]will probably lead to less trouble
[00:04:53.640]in terms of tank contamination in the future.
[00:04:56.850]All right, so when we're cleaning our sprayers out
[00:04:59.010]obviously if we're triple rinsing this thing.
[00:05:01.180]We're gonna create quite a bit of waste.
[00:05:04.258]The first thing I want you to think about
[00:05:07.030]is when and where to clean that sprayer
[00:05:08.980]and we talked about between every crop,
[00:05:12.170]or maybe even more often than that.
[00:05:14.530]As the label guides us, it's important.
[00:05:17.720]When we do triple rinses that sprayer
[00:05:20.160]we've gotta dispose of that rinsate somewhere.
[00:05:23.680]The best time to do it
[00:05:24.513]is while you're still in the field
[00:05:26.390]that you've just finished spraying.
[00:05:27.816]Go ahead and get that triple rinse in
[00:05:30.880]and spray it back out over the field,
[00:05:32.500]where we're not at any risk of causing damage to
[00:05:36.019]an environmental area that we don't want to be in.
[00:05:38.851]If I can't do that, another option
[00:05:41.450]is to take that spare back to the shop.
[00:05:43.680]If I've got a loading pad that has a drain,
[00:05:47.003]that's gonna collect that rinsate.
[00:05:49.130]So we can also look at doing it hat way.
[00:05:52.370]Beyond that though, the options are not really good,
[00:05:54.530]so those are probably the first two places
[00:05:56.720]that one should think about cleaning out a sprayer.
[00:06:00.140]All right, as we think about cleaning this sprayer out.
[00:06:02.617]There's a couple standard procedures
[00:06:05.597]the we wanna make sure we do.
[00:06:07.160]The triple rinse we've talked about in detail.
[00:06:10.650]On top of that, one of the things
[00:06:12.560]that we would wanna talk about
[00:06:13.806]is if we're flushing that boom
[00:06:15.963]a lot of our new sprayer has some sort of end cap
[00:06:18.990]or some sort of cap on the end of that boom
[00:06:23.330]so they we can pull that off, flush out anything
[00:06:25.940]that might have settled in there.
[00:06:28.110]This particular sprayer doesn't have that,
[00:06:29.980]but a lot of your sprayers do.
[00:06:31.770]Another thing we wanna do is go ahead
[00:06:33.000]and just go down the line,
[00:06:34.420]pull those nozzles off,
[00:06:35.253]put 'em in a five gallon bucket of water.
[00:06:38.700]Let 'em soak so that we get
[00:06:40.880]all of the residues and stuff of that way
[00:06:43.500]and I know it's time consuming
[00:06:46.660]and a lot of you probably
[00:06:47.690]aren't gonna take my advice on this,
[00:06:48.980]but with the toxicity and the low dose response
[00:06:53.780]of some of the pesticides we handle.
[00:06:55.670]Just take in quick minutes to take a pressure washer
[00:06:58.810]or some sort of sprayer
[00:07:00.190]and wash down the entire spray system
[00:07:02.840]could be really crucial in terms of mitigating
[00:07:05.517]unintended effects from a tank contamination
[00:07:08.570]or sprayer contamination.
[00:07:10.238]As we go about this, it becomes really critical.
[00:07:15.289]Make sure you consult that label.
[00:07:18.180]Now every labels gonna have a little bit different guidance
[00:07:20.680]on how to clean out that sprayer.
[00:07:22.250]And we're seeing that most labels
[00:07:23.780]are becoming more and more specific
[00:07:25.760]in terms of the procedures that they wanna see you follow
[00:07:28.520]to make that sprayer as clean as possible
[00:07:31.390]at the end of the day.
[00:07:32.890]All right, so now that we're kind of
[00:07:34.880]reachin' the end of this segment,
[00:07:36.349]we want us to kind of circle back around.
[00:07:38.333]As we talked about at the very beginning
[00:07:40.702]I'm gonna beg you guys.
[00:07:42.380]Make sure you use the appropriate PPE.
[00:07:44.180]May sure you've got the gloves, log sleeve coat,
[00:07:48.270]long pants close to the shoes,
[00:07:50.480]glasses or other eye protection.
[00:07:53.650]In some cases certain labels may require even more than that
[00:07:57.780]so make sure you have that appropriate PPE
[00:07:59.980]for whatever products you might have been using.
[00:08:03.310]When you do that, it really helps protect you
[00:08:06.847]from potential exposure to those chemistries.
[00:08:10.120]Now again, just to wrap things up here.
[00:08:14.980]Cleaning out that tank is absolutely critical.
[00:08:17.568]In some cases there are certain crops
[00:08:21.170]that are so sensitive to some of the pesticides out there,
[00:08:24.130]that you really can't spend too much time
[00:08:26.580]and you can't get that sprayer too clean.
[00:08:28.320]So when you're cleaning out that sprayer
[00:08:30.480]at the end of the day.
[00:08:31.700]Make sure you're keeping record of that
[00:08:34.059]so that you're in compliance with
[00:08:36.590]any potential label guidelines and restrictions there
[00:08:40.760]as well as making sure we get that sprayer
[00:08:42.670]absolutely as clean as possible
[00:08:44.210]so that we don't cause any unintended affects.
[00:08:47.487](upbeat music)

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Dicamba Training: Equipment Cleanout

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