The Argument for Fall Spraying + Tips for Success

Do's & Don'ts of Fall Spraying

The Argument for Fall Spraying + Tips for Success

Most growers are gearing up for fall spraying, but there are a few hold outs who don’t see the point, we’ve got some news for you — fall applications are extremely beneficial. Allow us to tell you why (plus, we’ve got a few tips for you).

Control Weeds, Insects and Corn Residue

While fall treatments help prevent winter annuals and weeds to keep fields clean through spring planting, this application period can include more than just weed treatments. By applying nitrogen to corn stubble, growers can boost decomposition to knock down corn residue and weeds at the same time.

“Fall spraying tends to be more enjoyable than in the spring — you’re not in a huge rush and you can take more time to do a better job,” said Chris Weaver, Apache Sprayers Application Parts Specialist.

Additionally, when heavy weed cover blankets spring fields, soils remain cool longer, delaying tillage operations and planting. Some winter weeds also provide a haven for insects that attack emerging crops.

Enjoy the Flexibility

More often than not, spring tends to cause undue stress when Mother Nature doesn’t cooperate. Cold and wet conditions can push planting dates, resulting in a shorter timeframe for pre-plant herbicide applications, leading to more growers adding a fall herbicide application into their weed control programs. If you plan for a fall herbicide application and the weather doesn’t allow it, growers still have their spring application to set things right.

“Fall herbicide applications provide a head start on weed control,” Weaver said. “If you’re only counting on spring pre-plant applications and weather keeps you at bay, you have no back up plan.”

Check Your Flow Control System

Before starting, Weaver suggests growers check their sprayer’s flow control system to make sure it is working properly. Application rates are critical for spraying the right amount of nitrogen and herbicides so growers get the most from those applications without wasting product.

“The flow control system regulates the applied gallons per acre and prevents the sprayer from over- or under-applying,” Weaver explained.

To check the flow control system, start spraying while the machine is sitting still. Open the manual control screen on the rate controller and increase or decrease the rate, looking to see if the spray pressure responds as it should. That will ensure the control valve is working. As this is happening (usually on the same screen), look at the value for gallons per minute and make sure the reading is not zero. If so, the flowmeter is working properly.

Be Mindful of the Weather

“Typically, I like to get my fall applications done right after harvest,” Weaver said. “In my experience, the warmer the daytime temperature is, the better the results. I like a temperature of 55 or higher for fall applications — otherwise it seems like the chemicals don’t work as well.”

Weaver also said to stay on top of frost forecasts in the weather reports to make sure you avoid freezing your sprayer lines.

Check out the Apache Blog for more articles and up-to-date industry news.

 


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Solutions to Sprayer Nozzle Issues Before You Have Them

Whether you are top dressing wheat or doing pre-plant herbicide applications, there are a few things to remember when servicing sprayer nozzles and tips. To help our customers solve some of the most prevalent problems in the field, the Apache Sprayer team got together with additional experts within the industry to gather the best tips for nozzle care throughout the year.

Quick Tips for Sprayer Nozzle Maintenance

Start the season by running clean water through the sprayer and at the end of each spraying day, to thoroughly clean the spray tips. Chemicals will eventually gum up the tip and cause uneven spray patterns or, worse, plug the tip completely. Always use water or compressed air to clean a spray tip. Using sharp objects such as a pocket knife or a piece of wire will cause damage to the tip. With proper care, you can extend the life of spray tips significantly.

“Most problems with spray tips are a result of a lack of maintenance and calibration,” said TeeJet Technologies Manufacturer Representative, Bryan Fowler. “Taking a close look at the spray pattern for consistency and distribution across the boom will alert you to the problem sooner and help you avoid poor application results. Many times, it can be difficult to look at a tip and actually see a problem.”

Sprayer Nozzle Tests and Checks

Fowler suggests performing a catch test on a few of the tips to better analyze the issue. A catch test uses a catch cup over the nozzle to measure output and flow rates.

“It is a good practice to perform a catch test on a few of the tips; if a few are out of specification by more than 10 percent, then it is time to replace them,” Fowler said. “This means that a tip that is rated to spray 0.4 GPM (ex. XR8004) at 40 psi is actually spraying 0.45 GPM, it should be replaced. If more than a few tips on the boom are performing this way, all of the tips on the boom are probably worn and will need to be replaced.”

It’s very hard to detect nozzle wear by sight alone as there can be very little evidence of wear. Greenleaf Technologies Regional Sales Manager William Smart agrees that nozzle checks are an essential part of upkeep, but also stresses the use of strains and boom height adjustments to prevent malfunctions.

The Importance of Nozzle Cleaning

“Nozzles need to be protected from plugging through the use of strainers upstream of the nozzle,” Smart said. “But even with proper straining, nozzles can sometimes plug. Nozzles that come apart easily (without the need for tools) and that have visible metering orifices will speed up the cleaning process. Air, water and the occasional broom straw or toothbrush is all that should be used for cleaning.”

Boom Height + Sprayer Nozzle Correlations

Smart says boom height is also important to create a uniform distribution of the spray with your selected nozzle.

“A good rule of thumb for 110-degree nozzles is matching the nozzle spacing to the boom height,” Smart said. “So, for 20-inch spacing, a minimum 20-inch boom height will ensure uniformity along the length of the boom. Keeping the boom as close as possible to this target will also maximize coverage, penetration and drift control.”

Do you have another common nozzle issue? Tell us about it in the comments below! Need help nozzle selection?

Check out our handy white paper.


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Employee Spotlight: Meet Adam Kivett

A lot can happen in two decades. While most people change jobs three or more times in 20 years, Director of Manufacturing Adam Kivett has held strong with his dedication and loyalty to ET Works, but if you ask him — he’s just “lucky”.Adam Kivett in front of an Apache Sprayer

“I think I just kind of got lucky finding a job with ET,” Kivett said. “I was just out of college and I was looking for a job in agriculture because that’s what my background has been in my whole life. I heard ET Works was looking to hire from my college roommate, Jeremy Hurt.”

Hurt, is a Senior Application Specialist and has also been with the company for 20 years. In fact, he started just a couple weeks before Kivett back in 1997.

“When I first started there was maybe seven or eight guys on the team,” Kivett said. “There wasn’t really a title. I would just call what I did ‘general labor’ or a ‘mechanic’ working with the machinery. It was really cool, because I got to do a lot of different stuff. Since the team was so small I got exposed to all of the inner workings of the Apache Sprayer.”

But as the company grew, so did Kivett’s role. In the first few years Kivett was tackling various manufacturing processes (like assembling and welding) and then he eventually started helping with inventory management. In the last 15 years, Kivett says that although his title has changed several times, his job description hasn’t.

“I’ve been a Production Supervisor, and then I think I was a Manufacturing Manager for a while, and then I was a Plant Supervisor,” Kivett said. “Around four years ago, I became the Director of Manufacturing and started managing everything to do with our manufacturing process — things like quality, fabrication, safety, building maintenance and inventory. I’m not sure how relevant all those previous job titles were — to put it simply I’ve been in charge of the plant and the shop floor and everything to do with it for around the last 15 years.”

Even though he’s earned his stripes in the company, Kivett says he’s still learning every day and enjoys the variety that comes with his position.

“It’s a pretty interesting gig in that it’s never the same; no two days are alike,” Kivett said. “I work a lot with my team leaders and managers. I’ve never been the type of guy that likes to do a lot of office work, so I’m on the floor the majority of the day. If we’re shorthanded I’ll fill in and I might do some welding from time to time, or maybe I’ll be out in quality control working on some prototype stuff.”

Kivett says he likes being out in the plant, because that’s where you see things firsthand and get ideas.

“I like to stay hands on,” Kivett explained. “I want to continue to feel knowledgeable in all areas, so I can bring new ideas to the group.”

With his 20-year work anniversary behind him, Kivett is looking to the next 20 at ET to keep him on his toes.

“I’ve been here so long — this place is kind of like my second family,” Kivett said. “I really enjoy getting to help farmers try to do things in a better way with our equipment. From ’97 to now, Apache has done a lot of things to help do that. I really can’t see myself doing anything else.”

Check out the Apache Blog for more articles and up-to-date industry news.


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Sprayer Nozzle Selection 101

Selecting the proper nozzle type is essential for proper pesticide application. The nozzle is a major factor in:

  • Determining the amount of spray applied
  • Uniform application
  • Coverage reaching its target surface

Nozzles break the liquid into droplets, form the spray pattern, and propel the droplets in the proper direction. They also determine the amount of spray volume at a given operating pressure, travel speed and spacing. Drift can be minimized by selecting nozzles that produce the largest droplet size while providing adequate coverage at the intended application rate and pressure.

We want to help you find the perfect nozzle for your application, so we’ve researched each type to give you a better idea about the pros, cons and overall differences.

Download our Nozzle Selection 101 Cheat Sheet

Even Flat-Fan Sprayer Nozzle

“Even flat-fan nozzles are utilized in banding applications (as opposed to broadcast spraying),” said TeeJet Technologies Manufacturer Representative, Bryan Fowler. “These tips will deliver an equal amount of spray across the entire width of the spray pattern to ensure even distribution.”

These nozzles do not produce a tapered edge and do not require overlap. The nozzle height and the spray angle both control the spray pattern width. Extended range flat-fan nozzles are designed to work under a much larger range of pressure compared to a regular flat-fan nozzle. This nozzle is recommended for the grower who is looking for uniform distribution and wants more drift control at lower pressures.

“We’ve recommended growers use the TurboDrop Venturi in combination with even flat-fan nozzles for over 20 years to provide a low-drift version of the even flat-fan,” said Greenleaf Technologies Regional Sales Manager, William Smart. “When combining the two, the even flat-fan should be double the size of the TurboDrop Venturi. The Venturi will control the flow rate, and the larger pattern tip will allow the air injection to work properly.”

Twin-Orifice Flat-Fan Sprayer Nozzle

Twin-orifice flat-fan nozzles produce two spray patterns with one orifice angled 30 degrees forward and the other orifice angled 30 degrees backward. This nozzle is noted for spraying smaller droplets in both spray patterns providing more penetration and coverage.

“Twin pattern tips are designed to deliver two inline patterns, roughly 60 degrees apart,” Fowler said. “This enables the spray to approach the surface area of the target from two angles and improve the chances of thorough coverage.”

Off-Center Flat-Fan Sprayer Nozzle

Another new fan design is the off-center fan, which is used for boom-end nozzles so the swath is uniform from end-to-end and not tapered at the edges.

“The off-center (OC) nozzle will distribute the spray laterally, away from the end of the boom,” Fowler said. “This will help it to reach an area beyond the length of the boom. This could be used as a boom-end nozzle, delivering herbicide to spray fence rows or ditches.”

“Off-center nozzles are also often used in orchards and vineyards to spray along the tree trunk line or strip spray under a grape vine,” Smart said. “This is another situation where using Greenleaf Tech Venturis to convert conventional off-center nozzles to air-injected OC nozzles would help prevent drift from affecting trees and vines or prevent overspray along a fence row.”

Air-Induction Flat-Fan Sprayer Nozzle

The air-induction nozzle is noted for producing large drops through the use of a venturi air aspirator. The venturi draws the air into the nozzle, and then the air is mixed with the solution to create larger spray droplets, which reduces drift potential.

“Air-induction (AI) spray tips are ideal for situations that involve spraying solutions that have little tolerance for drift,” Fowler said. “Typically, this will involve herbicides that could possibly harm non-target plants. Although air induction spray tips vary in style and pattern, the primary characteristic is that they have a greatly reduced quantity of drift prone droplets compared to the non-AI versions of the same tip. Many are available in both single and twin patterns.”

Flood Sprayer Nozzle

Flood nozzles are similar to full-cone nozzles in that they produce large droplets and their ideal overlap is 100 percent. The flood nozzle produces a spray pattern that is similar to the even flat-fan nozzle but emits larger droplets.

“Flood style tips have large open passages and will not easily plug,” Fowler said. “Many times, this tip is utilized as a pre-emerge application tip. The large droplets are very good for soil applied products in broadcast applications.”

Hollow-Cone Sprayer Nozzle

Hollow cone nozzles provide more complete coverage of plants due to the smaller droplets it emits. Looking at the spray pattern, the hollow cone is formed by a circular orifice that creates a cone shape pattern with an open center.

“This style of tip is typically utilized in fruit and vegetable spraying,” Fowler said. “In these applications, insecticide and fungicide application are very common and the requirement for thorough coverage dictates the need for smaller droplets. These applications are either directed over the top and sides of the target (vegetables) or sprayed into a wind current to carry the spray into the canopy; this would be typical of an air blast sprayer in fruit trees.”

“Hollow cones are often misused in broadcast applications,” Smart said. “They were designed for spraying over the row in combinations of two to three nozzles. They can also be used for banding applications like an even flat-fan.”

Full-Cone Sprayer Nozzle

The full-cone nozzle utilizes the same circular-shaped orifice as the hollow cone except this nozzle produces output through the entire cone spray pattern, as opposed to the hollow cone. The full-cone nozzle produces

larger droplets making this nozzle more drift resistant.

“Full-cone nozzles are frequently used in tobacco spraying,” Fowler said. “This is typically for applying chemicals in a directed pattern for sucker control. The full-cone nozzle creates a coarse spray over the top of the plant so that it will run down the plant to the buds.”

Check out our white paper for more information about nozzle selection or contact your local Apache Sprayer Dealer.

 


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Employee Spotlight: Meet Jeremy Hurt

Twenty years is a long time, especially in terms of employment with one company. However, for Jeremy Hurt, Senior Application Specialist at ET Works, it seems like just yesterday that he was starting his first role with the company.

Employee Spotlight: Jeremy Hurt

“It was May 1997, when I first started at ET Works,” Hurt recalled. “The first Apache Sprayer prototype was done, so they were working on completing the first machine — it was maybe half done at the time. My first job was doing a little testing with the prototype and then I helped finish the first sold unit.”

He has come a long way since then. In the 20 years Hurt has been with ET, he’s taken five different positions within the company.

“My first two positions were all about building Apache Sprayers and getting to know the product firsthand,” Hurt said. “After a few years, I helped with technical service and warranty claims. Once we started incorporating more precision ag technology, I helped train dealers and customers. Now I have more of a product support role.”

Hurt’s current role changes with the seasons. In the spring, he focuses on the Sprayer Clinic program, hosted by Apache dealerships throughout the Midwest, but once the busy season hits (around April-July) he functions more as a technical support resource for dealers and customers.

“I do a lot of training in the busy season for technical support,” Hurt said. “Once the summer calms down we hit the road again for the ‘show season’ to help connect with new customers and spread the word. We talk about the product as a whole with our current customers and try to visit with new ones too.”

As a former farm kid, Hurt has a deep appreciation for agriculture. Though he no longer farms, he enjoys being able to see the variety of farming styles while traveling for Apache.

“We get to see all types of farms and landscapes,” Hurt said. “We’ve traveled to Washington, Oregon, of course down South and out East. I’ve been to Nova Scotia, Eastern and Western Canada — we’ve just been everywhere. It’s a big bonus to get to go out and see all of the different types of farming.”

In the winter, Hurt mostly stays put to help with in-house dealer training sessions.

“During dealer trainings, we go over how the electrical and hydraulic systems work and how to better service customers in the field,” Hurt explained.

When asked why he’s stayed so long, Hurt says it’s a combination of the people and his history with the Apache Sprayer.

“We’re a pretty close-knit group here, so you kind of feel like a family, but really it’s the Apache itself,” Hurt explained. “I love the sprayer and it’s been a big part of my life — helping to develop it and watch it grow, that’s what has really kept me here.”

Hurt looks forward to the continued growth of the Apache brand and his future work with new ET products.

“I kind of joke with everyone; I say I’ve had about every job here except writing the paychecks,” Hurt said. “It’s pretty fun looking back on all of it — being a part of Apache from the start — I get a sense of accomplishment from it all.”

Check out the Apache Blog for more articles and up-to-date industry news.


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Customer Spotlight: Meet the Brorman Family

It takes a lot of determination and passion to be a successful farmer in the Texas panhandle, and we’ve found these qualities to be true in the Brorman household. Greg Brorman and his family live in Deaf Smith County where conditions are extreme and neighbors are scarce. The county area is 1,500 square miles (a little larger than the state of Rhode Island) with an average of five people per square kilometer. The area typically sees less than 19 inches of annual rainfall and temperatures ranging from -22 to 115 degrees Fahrenheit so it’s no surprise there’s usually more beef production than crops.

But, for the farmers that commit to planting, equipment shopping is about getting the most for their dollar and care less about the color of their machine. Greg Brorman purchased his first Apache in 2009 and has owned one ever since. His family and neighbors immediately took notice. To date, there are now five members of the Brorman family who own an Apache and a total of 13 Apache sprayers in the county. In fact, they fit right in — 1,200 gallon tanks and 132 foot booms are normal where fields are sometimes 1.5 miles long.

“There are still guys running Deere and Case, but a lot of guys around here have gone to Apache because of the economics of it – the price – you can get an Apache much easier than a Deere or Case and they all do the same job,” Brorman said. “Plus, the mechanics of the Apache are really simple.”

So, to the Brorman’s we salute you. We are thankful and proud to be able to call you Apache customers and we look forward to keeping you in economical, red iron for the years to come.

– Matt Hays, Equipment Technologies CEO

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Ask the Specialists: What is Raven Hawkeye™?

What Is Raven Hawkeye blog graphic

We work continuously to create programs and form partnerships to ensure all Apache sprayer owners have access to the latest precision technology. As a trusted and celebrated brand in the precision farming industry, Raven Applied Technology has created yet another game-changing solution with the invention of the Raven Hawkeye™ pressure-based spray nozzle control system.

“With the Hawkeye™ system our customers are able to spray more acres per day, by adjusting pressure and droplet size to compensate for wind speed and other weather conditions,” said Gary Grant, Parts Manager for Ohio Valley Ag., LLC.

Hawkeye is available as an option for all new Apache sprayers. The system is integrated with Raven’s Viper® 4 field computer and other ISOBUS-compatible terminals to provide more precise droplet sizes and consistent spray patterns from the boom to the field, thereby reducing spray drift. Hawkeye comes with turn compensation technology, adding even more precision to spray operations, individual valve diagnostics and sectional shutoff. The system is designed for easy installation and operation.

“We love this technology,” Grant said. “This system can provide a much wider window of opportunity for eliminating weed pressure at a stage when weeds are more susceptible to chemical eradication.”

Advantages:

  • Turn Compensation — Automated nozzle-by-nozzle adjustment provides even distribution along the entire boom through turns.
  • Pressure Adjustments — Adjustable pressure on the fly, including two preset pressures.
  • Full Integration — Raven Hawkeye is fully integrated with machine application control systems.
  • Simplicity — Setup and calibration is simple and clean.

With Hawkeye, operators can maximize their investment in application products and eliminate over-application by controlling distribution rates down to individual spray nozzles.

Contact your Apache dealer for more information about adding Hawkeye to your sprayer!


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What to Do When Pressure Drops

What To Do When Pressure Drops Blog Graphic

A pressure drop in your Apache sprayer can really put a kink in proper spray coverage. When this happens, it’s likely due to a chemical sediment build up clogging the strainers in the nozzle tips. Apache sprayers are equipped with the solution. To help keep nozzle tips from becoming blocked, each boom section includes a 1-inch strainer with a 50-mesh screen and a 2-inch full-port Banjo® main product strainer with a 50-mesh screen.

“If the 2-inch strainers become clogged the boom pressure could drop, if the 1-inch section strainers become clogged the boom pressure could increase,” said Gary Grant, Ohio Valley Ag Equipment Specialist. “Both could result in poor spray pattern and inaccurate application rate problems. Anytime you recognize a pressure change in your normal operating range, strainer clogs or other blockage factors need to be addressed immediately.”

If chemical build up still occurs, it’s time to remove the strainers and clean them. This is done by soaking the strainers in a large bucket filled with water and a small amount of dishwashing liquid for around 20 minutes. Most of the sediment will dissolve. What doesn’t dissolve can be scrubbed away with a cleaning brush. To prevent this problem from happening in the future, run the rinse tank on the sprayer to clean out the booms if you think the sprayer will be sitting idle for two (or more) days. If your sprayer is parked for a longer period of time, run the agitation in the tank to keep the tank mix stirred.

Quick Tips for Nozzle Care

  • Run the rinse tank to clean booms if there has been significant downtime between sprays.
  • Run the tank agitation function if the sprayer has been idle for several days.
  • Remove and clean strainers with dishwashing liquid and water if clogs persist.

For questions and concerns about your Apache sprayer pressure, please do not hesitate to contact your Apache dealer for assistance. Want to learn more about nozzle selection for your Apache? Read more.

Find Your Dealer

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Simpson Farm Enterprises, Inc. Expands with Fifth Apache Dealer Location

New Location Grand Island, Nebraska

Simpson Farm Enterprises, Inc. has announced it will be opening a fifth Apache Sprayers dealership location in Grand Island, Nebraska, to provide service and sales to the surrounding region. The new dealership is set to open in the spring of 2017.

“Simpson Farm has been representing Apache Sprayers for years, so when we saw the opportunity to serve a large base of existing Apache owners in Nebraska we jumped at the chance,” said Jed Simpson, company president. “Our goal is to provide outstanding sales and service support to the state’s agriculture community.”

“The Simpson Farm team has been a trusted Apache dealer and service provider for nearly 20 years,” said Equipment Technologies CEO, Matt Hays. “We could not be more confident in their decision to expand. We’re eager to see what is in store for the new Grand Island dealership.”

Simpson Farm has been in the agricultural applications business for over 35 years. Company founder, Virgil Simpson became interested in no-till farming in the early 1970s and designed a special pull-type sprayer to improve the practice. Soon his neighbors were asking him to build sprayers for their operation and Simpson Farm Enterprises, Inc. was born.

“My brother Jay and I are the third generation to run the business,” Simpson said. “Throughout the years, Simpson Farm Enterprises has grown from selling one pull-type sprayer in our Ransom, Kansas, dealership to becoming a world-renowned dealer for several top-name brands.”

The Simpson Farm Enterprises team has been selling and servicing the Apache Sprayer line since 1998 in their four Kansas dealerships located in Ransom, Great Bend, Hays and Beloit.

“With our already knowledgeable and established team, we will be able to provide enhanced service and support at the Grand Island dealership,” Simpson said.

For more information on Simpson Farm Enterprises products and services, visit www.SimpsonFarm.com.

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Avoid Spray Drift — 5 Things To Consider

Apache Sprayers Avoid Spray Drift

Avoiding spray drift to ensure a more efficient application is a constant battle — but it’s a battle worth fighting. Controlling spray drift not only saves the environment, but your pocketbook too. After all, those plumes of wasted herbicide bring more problems than increased input costs including government fines and crop damage.

“Spray drift needs to be minimized to avoid any crop injury and adverse effects on areas outside the spray target area,” said Dallas Peterson, Department of Agronomy professor at Kansas State University. “Minimizing spray drift is not only important from an economic and legal standpoint, but also from a public relations standpoint.”

To get the most out of your applications this spring, here are five tips to help lower your risk of spray drift:

1. SELECT THE RIGHT NOZZLE FOR YOUR APPLICATION

One of the most important tips includes choosing the right nozzle based on your application, rate of application and speed. Refer to your spray nozzle’s manufacturer chart to help with the selection and read the label of each chemical to learn proper resistance specifications.

(To learn more about selecting the best nozzle for your application, refer to our white paper, Make Your Application Count: Sprayer Nozzle Selection.)

2. USE AN APPROPRIATE AMOUNT OF PRESSURE FOR YOUR NOZZLE SELECTION

The smaller the droplet, the greater odds of creating drift. In addition, smaller droplets are created by higher spray pressures. Pressure shouldn’t exceed 40 psi.

“Smaller spray droplets are more susceptible to movement by wind, especially the very fine droplets that can stay suspended longer and moved longer distances,” Peterson said. “The appropriate spray pressure is critical to produce a good spray pattern and droplet size. Increasing spray pressure reduces spray droplet size and increases the number of fine spray droplet particles that are most susceptible to spray drift. The appropriate spray pressure to optimize performance and minimize drift will depend on the type of spray tip being utilized.”

3. DRIVE AT THE SPEED YOU ARE CALIBRATED FOR

After selecting the nozzle you want to use and the best pressure for your desired application rate, be aware of your speed. By slowing down or speeding up, you will change the application rate if you don’t adjust your pressure. To maintain application rate per acre, you need to increase your pressure if you increase your speed.

For more information about speed while spraying, read “Speed + Spraying — What Growers Need to Know.”

4. BE AWARE OF BOOM HEIGHT

A boom too high off the soil can contribute to drifting, especially in windy conditions. The higher your booms are set, the longer the distance each droplet has to fall, which gives your application more time to travel off path before reaching the desired location.

Ideally, boom height and row spacing should be a 1:1 ratio. So, for example if you have 20-inch row spacing, then booms should be set at 20 inches.

5. WATCH FOR CHANGES IN WEATHER

High winds can increase your chances for spray drift, but you should also try to avoid humid conditions as well. According to Iowa State University, warmer temperatures paired with low humidity levels will cause droplets to evaporate faster and contribute to vapor drift.

“There is no absolute right answer to the question regarding when is it too windy to spray,” Peterson said. “Labels will provide maximum wind speeds that can’t be exceeded to remain in compliance with the label. However, it still may be too windy to safely spray at lower wind speeds if a highly susceptible crop is downwind of the application. In that situation, the only safe time to spray is when the wind is in the opposite direction.”

Check out the Apache Blog for more up-to-date application tips and information.

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