Optimizing Fertility Practices for Enhanced ROI
Kelly Garrett talks about the different fertility practices applied to a single field. They compare traditional nitrogen-heavy methods with a balanced approach that integrates microbes, phosphorus, and potassium. By reallocating the fertility budget and optimizing nutrient application during existing field passes, he aims to enhance nitrogen efficiency and crop yields without increasing costs or labor.
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00:00 One field, two practices. We're talking about two fairly radical approaches to fertility in your field and what the results will be. 00:07 Tommy Roach, nature's Kelly Garrett, we're staying in this field. One of the cool things you're gonna do on a trial is show 00:13 us, hey, this is what most everybody would do in Iowa in terms of fertility practices. Here's a way to do it differently 00:19 and we think we're gonna get some pretty big results. Talk to me. So back when I started with Kelly five years ago now I, 00:26 we kind of kidded that Iowa and Illinois were kind of the, the last great frontiers. I was kind of progressed while Illinois, still, 00:35 while frontier, they really don't know how to grow corn. I'm sure the Illinois, I'm sure the Illinois 00:42 corn growers appreciate that. So what what the theory is here is we took the local standard, 00:49 which is pretty much nitrogen. Nitrogen, more nitrogen, yeah. On the planter and in season. 00:57 But that's not all there is to growing a corn plant. Got it. You have microbes, you have phosphorus, you have potassium, 01:05 you have all these different things that help to make that nitrogen more efficient. Uhhuh. And we're not talking about adding different trips 01:13 across the field. This is about taking advantage of something you're already doing, spraying herbicide, spraying fungicide, putting out your in season nitrogen, 01:23 And each time, each pass you're doing a new fertility practice. And that's your point is you're not adding any trips. 01:30 You're not even probably adding money, you're just reapportioning it. Which we talk a lot about with nature's Kelly. 01:35 Tommy started speaking your language when he said, okay, you know, what do you always, you said, 01:38 I think the first month I met you, the holy grail of American agriculture has produced more corn to do that. You got more nitrogen, more nitrogen, more nitrogen. 01:45 We know that's not really the case. You've got some really good experimentations going on, on cutting nitrogen usage. 01:50 This is right up in your, this is in your wheelhouse. Absolutely. And the reallocation term is exactly what we try to do. 01:57 Evans Wind Grove and I, we try to reallocate that budget to bring the crop into nutritional balance 02:03 to become more efficient. But we wanna maintain the logistical efficiency that we already have, taking advantage of the tank space. 02:10 We don't want to add more trips. Now if, if adding another trip produces an ROI, we're not afraid to do that. 02:16 Right? But to get started, let's maintain the same number of trips. But let's see if we can add an ROI, 02:22 let's see if we can reallocate the budget. You know, there, there's a huge term now in American agriculture, really just our American culture over 02:28 application of nitrogen. While that is true, I feel, I feel it's an incomplete statement, right? Over application of nitrogen relative 02:36 to the micronutrients, right? Over application of nitrogen relative to the phosphorous of potassium. 02:40 So we have validated the organic nitrogen being mineralized by this soil. We now turn down the synthetic 02:46 because we know we don't need it. And we reallocate that budget into products that Tommy has. I see Micros, P and K. 02:53 Alright, so you talked about the, the standard and you, you were being facetious and joking about the Illinois corn growers, et cetera, 02:59 but it got real comfortable to keep doing things the same way. And you said, Hey, I'm not making it uncomfortable. 03:04 I'm not telling you to go out and, you know, work a hundred more hours a a month. You're saying let's just change our thinking 03:11 and you're already gonna cross that field anyhow. Now let's add this. So let's talk about what you added each time we 03:15 Know the periods of influence on a corn plant, on a soybean plant, and we know the nutrient demand during those times. 03:24 So like the stage of corn that we're here right now, it's fixing and get a post pass, post herbicide pass. Why not take advantage of that trip and add in micros? 03:34 Because micros trigger different physiological processes in the plant. That guess what? Influence yield. 03:43 And you're fixing to go into a stage where you're gonna determine how many rows you're at. And then later in that B 10, B12 period, 03:52 you're gonna start determining how long that deer's gonna be. And we know exactly how much 03:58 NPK secondaries micros are needed during those times. You talk about, uh, in one of our podcasts, there's the macros. 04:07 And you even said, I don't think it's just macro and micro. I think it's in nitrogen, has its own macro, then it's p 04:12 and k and that's the secondary, secondary, uh, macros. Then there's micros, then there's many micros. He thinks there's four different levels. 04:20 Your approach, are we attacking all of that with each pass? No. Is there still, what are we putting in? 04:26 Uh, of course, if you think so early, early in the season, like right here, this corn plant has already taken up 04:34 roughly 30% of its iron needs. Okay? And that's kind of unusual. 'cause if you look at the other micronutrients, they're, 04:42 they're, they really don't start their uptake until the five onward up until later. 04:49 Like V or R, two or three. And that's something that through different experimentation that extreme ags been doing for the last five years, 04:59 all these guys have reallocated some nutrient that nutrition that they were doing upfront and doing it through the sea and moved it 05:08 toward the tail end. Because that's where you get grain Weight based on the last several years of you doing this, you're obviously seeing a return on investment. 05:15 You're not spending any more money on the fertility, you're just changing it through the season. What's it look like money 05:20 Wise? We spent $7 in potassium acetate at R five, for example, and we returned 14 bushel 05:26 and it was $7 of potassium acetate on 14 bushel. $7 got your 14 one gallon, one gallon of potassium acetate got us 14 bushel. 05:33 That's an example of what we can do. And that's at R five. That's incredibly late, right? 05:39 Relative to when most growers think they should fertilize. We used to have a lot of potassium acetate on the planter. 05:44 Now we've taken it off, reallocated it towards then and look at the bushels We've got. Okay, so we're gonna 05:49 wrap things up here. The one field, two different practices. You're saying you're pretty well 05:53 convinced based on what he just said. We're gonna make money on it. On uh, the last pass, which you've got a great chart in your pamphlet over 05:59 here about when that happens. Periods of influence. What's the last pass you're gonna make? The last pass. If you think about potassium, 06:06 it moves all the nutrition around in the plant, which is why he puts it late in addition to a heavy micro load at that R two to R four stage. 06:15 Okay? In this field that we're standing in right here, Kelly, it gets hit three more times with fertility. Yep. Three more times with fertility. 06:21 Alright, Tommy, wrapping things up here. What's your expectation for this? Uh, we're spending the same amount of money. 06:26 We're just changing it. When it goes out there, we're gonna make money on doing so. Absolutely. Because this is not a, if you want 06:33 to call it A-N-C-G-A field where we're just gonna throw dumb pounds and pounds of nutrition to it, right? 06:38 This is a ROI field. We're taking advantage of what the grower normally does and we're just making it better. 06:45 Got it. ROI works smarter, not harder. That's, I think words that he, uh, has, uh, lives by Kelly Garrett here talking about one field, two practices 06:54 to help you get more return on your fertility investment by spacing out the applications. 06:59 We'll keep you posted on the results. Damien Mason with XT Extreme Ag. Thanks for being here.
Growers In This Video
See All GrowersKelly Garrett
Arion, IA