Herbicide Tank Mix Calculator
Table: Herbicide Tank Mix Recommendations
No. | Target Weed/Crop | Recommended Herbicides | Mixing Rates (per acre) | Notes/Precautions |
---|---|---|---|---|
1 | Broadleaf Weeds in Corn | Glyphosate + Atrazine | Glyphosate: 32 oz, Atrazine: 1 qt | Avoid in sandy soils; check local regulations on atrazine use |
2 | Grassy Weeds in Soybeans | Clethodim + Glyphosate | Clethodim: 6-8 oz, Glyphosate: 32 oz | Ensure good coverage; add a non-ionic surfactant |
3 | Annual Broadleaf Weeds | 2,4-D + Dicamba | 2,4-D: 1 qt, Dicamba: 8 oz | Do not use near sensitive crops; follow buffer zone requirements |
4 | Perennial Weeds in Wheat | MCPA + Clopyralid | MCPA: 1 qt, Clopyralid: 8 oz | Best applied during active growth; avoid application near water bodies |
5 | Nutsedge in Rice | Halosulfuron + Propanil | Halosulfuron: 1.33 oz, Propanil: 3 qt | Apply when nutsedge is actively growing; water management is crucial |
6 | Weeds in Pasture | Triclopyr + 2,4-D | Triclopyr: 2 pt, 2,4-D: 1 qt | Ideal for woody and broadleaf weeds; avoid during windy conditions |
7 | Dandelion in Turfgrass | 2,4-D + MCPP + Dicamba | 2,4-D: 1 qt, MCPP: 1 pt, Dicamba: 8 oz | Suitable for cool-season grasses; avoid application to drought-stressed lawns |
8 | Waterhemp in Soybeans | Fomesafen + Glyphosate | Fomesafen: 1 pt, Glyphosate: 32 oz | Apply to small, actively growing weeds; add AMS to improve effectiveness |
9 | Kochia in Wheat | Bromoxynil + MCPA | Bromoxynil: 1 pt, MCPA: 1 qt | Apply during early growth stages of kochia; rotate with other herbicides to prevent resistance |
10 | Johnson Grass in Sorghum | Nicosulfuron + Atrazine | Nicosulfuron: 1 oz, Atrazine: 1 qt | Avoid application under drought conditions; observe pre-harvest intervals |
11 | Pigweed in Cotton | Pyrithiobac + Glyphosate | Pyrithiobac: 1.6 oz, Glyphosate: 32 oz | Target weeds less than 4 inches tall; avoid overlap in spray coverage |
12 | Lambsquarters in Vegetables | Metolachlor + Clopyralid | Metolachlor: 1 pt, Clopyralid: 8 oz | Suitable for pre-emergence use; check crop sensitivity |
13 | Sedges in Peanuts | Bentazon + Imazapic | Bentazon: 1 qt, Imazapic: 4 oz | Apply when sedges are small and actively growing; observe crop safety |
14 | Broadleaf Weeds in Grapes | Glyphosate + Flumioxazin | Glyphosate: 32 oz, Flumioxazin: 3 oz | Apply as a directed spray to avoid contact with green grape tissue |
15 | Wild Oats in Barley | Fenoxaprop + Bromoxynil | Fenoxaprop: 4 oz, Bromoxynil: 1 pt | Use adjuvant for improved control; apply early post-emergence |
16 | Foxtail in Corn | Mesotrione + Glyphosate | Mesotrione: 3 oz, Glyphosate: 32 oz | Apply when foxtail is small; add AMS or UAN for improved uptake |
17 | Ragweed in Sunflowers | Imazamox + Bentazon | Imazamox: 4 oz, Bentazon: 1 qt | Target small, actively growing weeds; check sunflower variety tolerance |
18 | Horsetail in Non-Crop Areas | Glyphosate + Triclopyr | Glyphosate: 64 oz, Triclopyr: 2 pt | Multiple applications may be necessary; follow up with mechanical control if needed |
19 | Milkweed in Alfalfa | Imazethapyr + 2,4-DB | Imazethapyr: 4 oz, 2,4-DB: 1 qt | Apply early post-emergence; ensure alfalfa is actively growing |
20 | Resistant Weeds in Cotton | Dicamba + Glufosinate | Dicamba: 12 oz, Glufosinate: 29 oz | Apply to small weeds; check compatibility of tank mix partners |
21 | Giant Ragweed in Corn | Isoxaflutole + Mesotrione | Isoxaflutole: 2.5 oz, Mesotrione: 3 oz | Early post-emergence application recommended; add adjuvants for better control |
22 | Barnyardgrass in Rice | Propanil + Quinclorac | Propanil: 3 qt, Quinclorac: 8 oz | Apply to actively growing weeds; maintain good water management |
23 | Chickweed in Wheat | Bromoxynil + MCPA | Bromoxynil: 1 pt, MCPA: 1 qt | Best applied during early growth stages; avoid application near sensitive crops |
24 | Wild Mustard in Canola | Ethametsulfuron + Quizalofop | Ethametsulfuron: 0.2 oz, Quizalofop: 4 oz | Apply during early post-emergence; avoid overlap to prevent crop injury |
25 | Black Nightshade in Tomatoes | Metolachlor + Metamifop | Metolachlor: 1 pt, Metamifop: 4 oz | Suitable for pre- and post-emergence use; check crop tolerance |
Tank mixing helps with herbicide mixing, weed control strategy, and tank mixing herbicides. It means putting several products together in one tank. This step saves on time and cuts down on ground damage. Mixing herbicides with various methods fights off weed resistance and stops new weed challenges.
Key Takeaways
- Tank-mixing herbicides is vital for strong weed control and efficient machine use.
- More products in the mix mean a higher chance of not working together.
- A set order to mix based on the herbicide’s type can avoid mix-up errors.
- Doing a jar test before using the spray can show if the mix will work well.
- The use of AMS (ammonium sulfate) in mixes depends on its role in the mix.
Understanding Herbicide Tank Mixing
A herbicide tank mix is when two or more herbicides are combined in the same spray tank. Farmers and landscapers often use this to better control weeds. It allows them to apply several products at once, in one go.
What is a Herbicide Tank Mix?
Tank mixing is a time-saving method used especially in corn fields for a process like “weed-and-feed”. If the herbicides don’t mix well, they might harm crops or not work as needed. Clogs, foaming, and other mix issues are also possible.
Benefits of Tank Mixing Herbicides
Tank mixing herbicides allows for a wider control of weed types. It’s also better at fighting weeds that are hard to control. Mixing herbicides this way saves time and can save money over using them one by one. The mix can also help prevent weeds from resisting the herbicides.
In 2023, Canada made its tank mixing rules more flexible under the Pest Control Products Act. This lets users mix more freely, but they still need to follow label rules. Health Canada gave users until December 2024 to make sure they meet the new requirements by doing jar tests.
From the “Herbicide Tank Mix: Enhance Your Weed Control Strategy” article, we learned bad mixes can cause tank issues, like clogs or gelling. It’s essential to follow the maker’s mixing instructions to avoid these problems. And, don’t forget to clean the tanks first to avoid leftover chemicals harming the crops.
When mixing, use the WALES method to put products in the tank in the right order to reduce issues. (First are wettable powders and granules, then liquids, and finally surfactants). Be careful when mixing different kinds of products, like glyphosates, to prevent bad reactions. Always check the labels or ask for advice when unsure.
Herbicide Tank Mix Compatibility
When you mix more products, the risk of them not working together goes up. The mix’s type, like dry or liquid, water quality, and how the chemicals interact matter.
Factors Affecting Compatibility
Most of what’s in the tank is water, so its quality is vital to prevent issues. If you add four or more products, they might not mix well. This could clog your tools, wasting time and money fixing them. Bad water, with a high pH for instance, can spoil some pesticides and make some herbicides less effective. This could lower your plant’s health or harvest.
Conducting a Jar Test
To avoid problems, do a jar test. Mix your products in a small jar and watch what happens. Always test before putting everything in your sprayer. It’s a good idea, especially with new combinations, to check for issues early.
Proper Mixing Order
When mixing herbicides in a tank, doing it in the right order is key. It ensures they work well together. By adding products the right way, you avoid problems like clumping.
Generalized Mixing Order
The best order for your tank mix is: 1) powders, 2) liquid herbicides, 3) suspensions, 4) concentrates, 5) other liquids, and 6) oils or surfactants. Following this step-by-step method means everything gets mixed right before you add more.
Role of AMS in Tank Mixes
Ammonium sulfate (AMS) is important, especially when using glyphosate. If it’s for softening water and making it better for the herbicide (by binding calcium), put it in first. But, if you’re using AMS for a nitrogen boost, add it whenever, not necessarily first.
Mixing your herbicides in the right order and using AMS wisely can stop issues. Your tank mix will work just as it should.
Enhancing Herbicide Efficacy
Adding urea or ammonium sulfate to herbicides speeds up how fast they work. This happens because nitrogen helps the herbicide move through the weed more quickly and effectively. Nitrogen also fights any harm the herbicide might do to the plant.
Adding Nitrogen Sources
Nitrogen from fertilizer improves the way herbicides work. It makes some herbicides better, especially those that are weak acids. Nitrogen also helps when water is hard. Many farmers and experts agree that adding nitrogen to herbicides boosts their power. They talk about it a lot online. Growers have found success using nitrogen with herbicides like Monument, Princep 4L, and Celsius. This mix helps control weeds better.
Using Surfactants and Adjuvants
Surfactants and adjuvants make herbicides work better by spreading them more evenly and helping them stick to plants. Additionally, they help herbicides get through the hard outer layer of plants. Farmers use adjuvants a lot to make pesticides work better. There are different types of adjuvants for different needs, like making mixtures safer, better at reducing drift, or improving spread and power. Some adjuvants help herbicides work better after they’ve already been applied. They do this by making the herbicide stick and work well, even in the rain.
Some herbicides need surfactants to work best, usually between ½ and 2 pt per acre or 0.25% volume/volume. Oils from crops make herbicides penetrate better and reduce the tension on the plant’s surface. They are often used with herbicides on grass and atrazine, at rates between 1 and 3 pt per acre or 1% volume/volume. It’s important to choose the right one based on the herbicide used and the plants it’ll target. When picking an adjuvant, look at the herbicide instructions to see which one is best, considering its strength and cost.
Adding an activator adjuvant often makes herbicides work better, especially the ones you apply after the plants have started to grow. Some adjuvants, like crop oil or specific types of surfactants, might work better than simple nonionic surfactants. Results sometimes vary depending on the herbicide and adjuvant used, as shown in Table 2.
Adjuvant Type | Application Rate | Herbicide Effectiveness |
---|---|---|
Nonionic Surfactant | 0.25% v/v | Less effective in some trials |
Crop Oil Concentrate | 1-3 pt/acre or 1% v/v | Increased penetration and reduced surface tension |
Specific Surfactants | Varies | More effective than nonionic surfactants in some trials |
Herbicide Tank Mix: Enhance Your Weed Control Strategy
Using herbicide tank mixing can really boost your weed control game. This method helps achieve a better and more productive crop or landscape. Herbicide tank mix combines products with different ways to fight weeds. This means you can take on more types of weeds, even the tough ones. It’s key to know how to mix them right and when to add things like nitrogen sources and surfactants. This knowledge boosts the herbicides’ power, making your weed control plan more successful.,
Thinking and tank-mixing herbicides carefully is crucial. It helps with better weed control and makes the most of your time in the field. Using several products together in one spray pass is efficient. This method can save time and avoid compacting the soil, as seen in the “weed-and-feed” method for corn. Adding various weed-killing approaches in your mixes also slows down weed resistance and tackles current problems.
Yet, not all mixes work well together. This can cause problems, like lower yields or needing more treatments later. Some mixes can even hurt the crop, while others just won’t work as intended. Mixing problems may slow you down or create technical issues. These include clogged equipment or mixtures separating. To help, Canada updated its rules in January 2023. They provide clear instructions to avoid such mix problems and stay legal.
Herbicide Resistance Management
Many growers and landscapers face the challenge of herbicide resistance. Using herbicide tank mixes can help. Mixing herbicides with different actions can stop resistant weed growth.
Rotating Modes of Action
Changing herbicides often is crucial for herbicide resistance management. When growers use different herbicides, they don’t put too much pressure on one weed type. This way, resistance to herbicides is slowed down. It also means the herbicides stay effective for longer, giving a broad range of weed-fighting tools to growers.
Integrated Weed Management Approach
Using a mix of methods beyond just herbicides helps lower resistance risk even more. This approach, called integrated weed management, uses various methods. These methods include cover crops, mechanical weeding, and growing plants that fight weeds naturally. With different tactics, it’s easier to control weeds and avoid creating resistant weed types.
Best Practices for Tank Mixing
When mixing herbicides, carefully read and follow the labels. They tell you what mixes well together and how to do it right. You’ll learn about the best rates and any safety tips. This is key to avoiding damage to crops or lowering the herbicide’s effectiveness.
Reading and Following Label Instructions
Always check the labels and follow what they say for a good mix. This ensures the herbicides will work well together. It also means using the right amount and order. Talking to experts can really help you get the most out of your mix.
Proper Mixing Techniques
Getting the mix right is crucial for good results. Make sure each product dissolves or suspends fully before adding more. Use the right amount of water and pay attention to its quality and pH. If you have hard water, adding Ammonium sulfate (AMS) might help. Also, the MixTank App is a great tool for making sure you mix things up right.
Follow label instructions and mix your herbicides right to make a great tank mix. Doing this means you use practices that work, stick to safety rules, and get the best out of your herbicides.
Conclusion
Using herbicide tank mixing can boost weed control. It helps get better results in growing crops and managing landscapes. When we know how to mix tanks right, it improves our herbicide plans.
Adding tank mixes to a full weed management plan is smart. It can help keep plants strong and areas looking good. A good amount of water for some herbicides is 10 to 15 gallons per acre. Tests by Bayer® show that Roundup® and Enlist One® work well together.
Doing mixing right, like reading and following labels, makes herbicides work better. This can lead to great success in controlling weeds. By mixing tanks the right way, farmers and gardeners can plan better and reach their goals.
FAQ
What is a Herbicide Tank Mix?
A herbicide tank mix is a mix of two or more herbicides in a single tank. People like farmers and landscapers use it. They do this to fight weeds better.
What are the benefits of Tank Mixing Herbicides?
Tank mixing herbicides has several perks. It helps control a wider variety of weeds. It makes handling tough weeds easier. Plus, it saves time and money over using products separately.
What factors affect Tank Mix Compatibility?
Compatibility in a tank mix depends on the herbicide’s form, water quality, and chemical reactions. A jar test can show if there might be mixing problems before you fill the whole tank.
What is the recommended order for adding products to a Spray Tank?
When putting things in a spray tank, start with dry types. Next is liquid flowables, then suspensions. After those, add emulsifiable concentrates, soluble liquids, and finally, surfactants or oils.
What is the role of Ammonium Sulfate (AMS) in Tank Mixes?
AMS makes the water better for herbicide by stopping calcium from ruining it. Add it first if it’s for this reason. If it’s just for the nitrogen boost, you can add it later.
How can Nitrogen Sources and Surfactants/Adjuvants improve Herbicide Efficacy?
Nitrogen sources help herbicide work inside plants better. Surfactants and adjuvants make sure the spray spreads well and sticks on leaves. This makes the herbicide work better too.
How can Tank Mixing Herbicides help with Resistance Management?
Mixing up herbicides with different ways of working can stop weeds from getting used to one method. Adding other ways to control weeds can also help keep them from becoming resistant.
What are the best practices for Tank Mixing Herbicides?
Start by reading the labels on herbicide products very carefully. They tell you what mixes well and how to use them. Following mixing and application advice is crucial for a good result. Make sure everything dissolves smoothly and follow the right spraying amounts.
Source Links
- https://www.striptillfarmer.com/articles/5442-avoid-a-tank-mix-mishap-when-applying-herbicides
- https://sprayers101.com/tankmix/
- https://www.topcropmanager.com/tips-for-herbicide-tank-mixing-16907/
- https://www.exactoinc.com/blog/2021/11/09/pesticide-tank-mix-incompatibility/
- https://extension.okstate.edu/fact-sheets/herbicide-mixing-order.html