Hey everyone! It's Heath with DoMyOwn.com. Today, we're going to talk about getting the most out of your liquid herbicide applications, including doing fall pre-emergent herbicides. So, if you want to conquer and prevent weeds with confidence, you've come to the right place.
First off, you’ll make sure to put down your herbicide applications at the right time. Timing is crucial when using fall pre-emergent herbicides. These products offer an excellent opportunity to prevent weed growth in the upcoming spring. Applying these herbicides creates a protective barrier, preventing weed seeds from germinating and establishing in the soil. This strategic timing sets the stage for a weed-free lawns in the following season.
Make sure that our pre-emergent is down prior to the soil temperature reaching the 70-degree mark in the fall. Weeds like poa annua, chickweed, and a variety of others are going to pop up in your yard in the spring if a pre-emergent isn't used in the fall. One of the repeat offender weeds like Poa annua is going to seed at the 70 degree mark, so we need to make sure to put those pre-emergents down to stop those weeds from germinating. typically here we do split applications usually two pre-emergent applications in the springtime and two in the fall depending on your grass type. A split application is gonna give you longer control over those weeds rather than doing one single application. You'll wanna follow up with your second pre-emergent application in about 4-8 weeks. As long as the soil is not freezing, you can apply your pre-emergent. It's real important to read those labels and make sure we know what we are doing. Once we have germinated and the pre-emergent window has passed, you'll need to apply a post-emergent herbicide as well to control those weeds as well.
Next, you’ll want to identify target weeds, grass type, and previous lawn issues before doing an herbicide application. It might be wise to make a list of previous weeds you’ve dealt with in the past. Last season, for instance, you might have seen henbit, poa annua, or chickweed.
If you have never done a lawn care application and this is a new home to you, then take notes of your grass type and weeds you currently see. If you aren’t sure, ask your local extension service, they are a perfect resource for weed and grass type identifications.
Once you’ve identified your target weeds and grass type, you’ll need to select the right herbicide for your specific lawn. Herbicides are not a “one size fits all”. If you've used herbicides before, make a list of those herbicides you have used and how your lawn reacted to that specific ingredient in the past. If not, make sure you read the full label to make sure that the weeds you are trying to target are labeled for that specific weed control and then also make sure that your grass type is there.
With your liquid herbicides, you may have the option to tank mix liquid products. its’ important to make sure that you have read the entire label and perform a jar test, mixing to see if there’s any separation. We have an excellent video on tank mixing and resources on our website that will be linked in this video.
With that, you can tank mix dye indicators to see where you’ve sprayed and where you haven't as long as its labeled to do so with the products that you're using. This helps you determine where you’ve sprayed to avoid over and under spray.
Now, let’s talk about water and whether or not your pH is at the right point. When you are using your liquid herbicides, you may want to use water test strips to determine your water quality as it can affect your applications. Whether or not you have hard or soft water may also play a role. A lot of the products need to have a neutral pH to work efficiently.
Calibration of your application equipment is essential for even and accurate herbicide distribution. Follow the manufacturer's instructions to calibrate your sprayer properly. This ensures you apply the correct amount of herbicide per square footage.
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