Why Is Overlapping Residuals Crucial for Effective Weed Control?
25 Aug 245m 32s

Matt, Wayne and Kaleb discuss the importance of overlapping residual herbicides for effective weed control in soybean fields, and the challenges faced with resistant weeds and the necessity of maintaining residual strength throughout the growing season.

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00:00 This is Wayne Boden from West Central Missouri and we're out here in A-B-A-S-F plot. Today. We got Matt Miles from Arkansas, 00:06 which is extreme Ag with Extreme ag. We got Caleb Helwig with BASF and we're talking about overlaying residuals. 00:13 Caleb, why don't you tell us what you think about that and what your plans are? So, Wayne and I talked earlier this spring 00:18 and if we'd only know what the weather was gonna do, we maybe could have done a little better job. But, um, our goal was, is to put a good solid residual down. 00:27 In this case we use Roundup, uh, two four D and UA Pro down, uh, well ahead of planting. And then we planted E three beans 00:34 and we come back with, uh, with liberty and list and some more ua. I always like to overlay the same active ingredients on the 00:42 same acre as I kind of say. It builds your gas tank back up. Yeah. So if your gas tank was down to a quarter tank, 00:47 we just took it back up to a full tank and that gives us the kind of residual we need to get through a long growing season in our part of the world 00:53 and try to get these beans up in canopy without having some of those water hemp come back in our back door. 00:58 Well, and the best weed you ever have is one you never see and the only way you can do that is overlapping residuals. 01:04 And you know, 10, 15 years ago we didn't have resistant weeds. That wasn't as big a deal back when Roundup killed. 01:09 Everything didn't matter. Right. You know, in today's world with these resistant weeds, if you don't overlay residuals, 01:15 you're gonna get in some type of trouble. Before the year's over with, And this part of the world, it didn't matter what kind 01:20 of products we used in some of our burn downs, we fought some of the most difficult, uh, weed control situations that I faced in my 23 year career. 01:27 Oh, I'm sure. BSF. It was just brutal. Seemed like nothing we did was at the right time for the way the weather was working. 01:32 Yeah. And so, uh, sometimes we put some products down that have some pretty good horsepower. In this case, SUA Pro really helps on that burn down 01:39 and that made the difference in this field, in this comparison this year. 'cause that little extra help in the burn down 01:45 kind of took 'em on down. And then that sua that's in there gives you a really good base for, uh, water hemp and grasser uh, residual 01:52 Of all the residuals. To me sua is the, is the Cadillac, you know, I mean for, for several reasons. 01:58 One, the, the use rate, you know, instead of having totes on your trailer, you know you've got jugs on your trailer. 02:03 Right. Number two, the amount of time between when you apply the residual in the rainfall, you know, some of these other products 02:09 that we've used in the past, if you don't get a rain within the next, you know, five to seven days, they basically deteriorated and went away. 02:16 And ua how long will it last? I mean it least For a rain. It just is very stable on the surface. 02:20 Very stable on residue. Mm-Hmm. So that's why we like it from them in no-till Yep. Situations too. Or if you got like wheat residue in our part 02:26 of the world we got double crop beans. Mm-Hmm. So we use ze in a lot of different places in a lot of different ways. 02:32 Um, and in this case we use UA Pro, which is a mixture of three products. Yeah. And then we needed that kind 02:37 of horsepower in the burn down because so many times we don't know what we're gonna face. We may have little weeds, 02:41 but Wayne, there's a lot of years we've faced some pretty big ones. Oh yeah. And the next thing you know, we have little weeds 02:45 in your rate to spray and then rain sets in and next thing you know they're a foot high and you know you're in trouble. So, 02:51 Well, aren't I correct to say isn't Zi do another thing? I said two three, the amount of rainfall 02:56 to activate it is about half of some of these, these other products that are residual. Yeah. It takes around three half 03:02 to three quarters of an inch of rain Yeah. To get activated and some of the encapsulated products, some of the other products that, you know, three quarters 03:08 to an inch of rain. Yeah. That's one thing too. I try to put the attributes of the product in the right, um, situation 03:14 for when Wayne uses them. Hopefully he's got a pretty good experience. Mm-Hmm. And we can't always do it 03:19 because we don't know what the weather's gonna do. Right. But if I know Wayne's gonna farm a certain way, I put the right product in place 03:24 that hopefully gives us at least the best odds of success. Yeah. It doesn't always happen. 03:28 And we have to retreat some things here and there and whatever, and BSF and I'm here to help when that happens too. 03:34 But in cases we try to put our best foot forward and put the best plan forward. Yeah. And then deal with whatever Mother Nature gives 03:40 Us. Yeah. 'cause it's gonna be different every year. You just gotta go with what you think is the safest, you know, route. 03:45 And you look at some of these products and you say, well this is too expensive. Well we seen in the other plot 03:50 that it wasn't too expensive. Oh yeah. Because It's becoming more expensive really quick. But do wanna farm like that? Do we wanna farm like this? 03:56 We wanna farm like this. Mm-Hmm. You know, and like I said, back when Roundup killed everything, I, I don't think there's a problem anymore in 04:02 today's world, but when that first started happening with the resistant weeds, farmers didn't wanna put out residuals. 04:07 I was one. Oh oh. Right. Yeah. Oh, Roundup kills everything. Mm-Hmm. You know, we found out, I found 04:10 that out the hard way that that's not happens anymore. So having a good residual program, you know, especially when you do something like UA Pro 04:17 where you've got everything out there, you know, you've got the full football team there, not, not a seven man team. 04:23 Right. Right. So on this over here where we did that line, so what do you think the yield drags gonna be? 04:28 Where the like standard practices that we didn't have as good or weed control. I mean, versus the chemical program that's costing 04:35 so much more to try to catch up with it, you know, what's it gonna cost us in yield? So what's our overall hit 04:39 or cost gonna be compared to this? It's, That's why we're doing the test here today. Yeah. Because when that combine runs this fall, 04:45 we'll know the answer to that question and that'll be something that you'll know for your farm. Right. And I'm sure it's gonna be, it's gonna be several 04:50 Bushels. What do you think it's gonna be? I think three bushel easy. Yeah. Well see you're looking even at 04:55 today's price, 30 bucks. Right, right. You know, 30 bucks an acre just, just in yield drag alone. 05:00 So how much more residual or how much more of a, of a quality residual program can you put out for 20 bucks and still make 10? 05:07 Right. Right. You know, I was gonna guess in more five Mm-Hmm. And plus plus the difference in the late season trying 05:13 to catch up cost of herbicide. Well you're, that's high price too. You're Also gonna be sowing seeds over here when you cut. 05:19 True. You're not gonna be sowing seeds here. We'll Be dealing with it next year. Yep. So There's a bunch of win-win situations 05:25 by never seeing that weed come up. True.

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