General Information


It is a violation of federal law to use this product in a manner inconsistent with its labeling.

ANY USE OF THIS PRODUCT IN AN AREA WHERE USE IS PROHIBITED IS A VIOLATION OF FEDERAL LAW. Before using this product, you must consult the Atrazine Watershed Information Center (AWIC) to determine whether the use of this product is prohibited in your watershed. AWIC can be accessed through, or 1-866-365-3014. If use of this product is prohibited in your watershed, you may return this product to your point of purchase or contact Real Farm TECHNOLOGIES LLC for a refund.


Note: Not for sale, use, or distribution in Nassau County or Suffolk County, New York.

This product is a selective herbicide recommended before planting, before or after emergence (see directions) for control of most annual grasses and broadleaf weeds in Field corn. This product may also be tank-mixed with other herbicides specified on this label for weed control in conventional, minimum-till, and no-till Corn.

Tank mixtures are permitted only in those states where the tank mix partner is registered. For each tank mix partner used, refer to and follow the label precautionary statements, direction for use, geographic, and other restrictions. Follow the most restrictive language on the PAYBACK ATZ HERBICIDE label, or the label of the tank mix partner. Following many years of continuous use of atrazine (one of the ingredients in this product), and other products chemically related to atrazine, biotypes of some of the weeds listed on this label which are controlled by the atrazine component have been reported to develop resistance to this and other chemically related herbicides. Where this is known or suspected, and weeds controlled by this product are expected to be present along with resistant biotypes, we recommend the use of this product in combination or in sequence with registered herbicides which do not contain triazines. Consult with your State Agricultural Extension Service for specific recommendations.

This product alone or in tank mixture with Atrazine, Balance, Metolachlor, or Simazine may be applied early preplant, preplant surface, preplant incorporated, or preemergence on Corn, in water or fluid fertilizer. Apply postemergence treatments of this product to Corn, alone or in combination, using water only as the carrier. This product may be applied in tank mix combination with Gramoxone Inteon, Landmaster BW, or Glyphosate with or without the above herbicides for preplant surface or preemergence applications to Corn.

This product may be applied in water by aircraft. Applications in fluid fertilizer should be only by ground equipment.

To avoid spray drift, do not apply under windy conditions. Avoid spray overlap, as crop injury may result.

Do not apply this product through any type of irrigation system.

Do not apply under conditions which favor runoff or wind erosion of soil containing this product to non-target areas.

To prevent off-site movement due to runoff or wind erosion,
1) Avoid treating powdery dry or light sand soils when conditions are favorable for wind erosion. Under these conditions, the soil surface should first be settled by rainfall or irrigation.

2) Do not apply to impervious substrates such as paved or highly compacted surfaces.

3) Do not use tailwater from the first flood or furrow irrigation of treated fields to treat non-target crops unless at least one-half inch of rainfall has occurred between application and the first irrigation.

Where reference is made to weeds partially controlled, partial control can either mean erratic control from good to poor or consistent control at a level below that generally considered acceptable for commercial weed control.

Dry weather following preemergence application of this product or a tank mixture may reduce effectiveness. Cultivate if weeds develop in conventional tillage Corn.

Observe all use precautions and limitations on the label of each product used in tank mixtures. Always follow the more restrictive labeling directions when tank-mixing products.

Thoroughly clean sprayer or other application device before using. Dispose of cleaning solution in a responsible manner. Do not use a sprayer or applicator contaminated with other materials, or crop damage or sprayer clogging of the application device may occur.

Shake 2.5 gallon jugs well or thoroughly recirculate larger containers and bulk tanks before using. This product is a liquid that may be mixed with water or fluid fertilizer and applied as a spray. This product may also be sprayed onto dry bulk granular fertilizer and applied with the granular fertilizer.

Dry Bulk Granular Fertilizers
Many dry bulk granular fertilizers may be impregnated or coated with this product and used to control weeds in Corn.

Impregnation of bulk fertilizer is restricted to commercial facilities. On-farm fertilizer impregnation is prohibited. No more than 500 tons of dry bulk fertilizer can be impregnated per day. No single facility may impregnate fertilizer with this product for more than 30 days per calendar year.

No single facility may impregnate fertilizer with this product for more than 30 days per calendar year. The commercial facility impregnating the dry bulk fertilizer must inform, in writing, the user (applicator) of the dry bulk fertilizer that: Applicators must wear long-sleeved shirt, long pants, shoes, and socks; and, the restricted-entry interval is 24 hours.

When applying this product with dry bulk granular fertilizers, follow all directions for use and use precautions on this product label regarding target crops, rates per acre, soil texture, application methods, and rotational crops.

All individual state regulations relating to dry bulk granular fertilizer blending, registration, labeling, and application are the responsibility of the individual and/or company selling the herbicide/fertilizer mixture.

Prepare the herbicide/fertilizer mixture by using any closed drum, belt, ribbon, or other commonly used dry bulk fertilizer blender. Nozzles used to spray this product onto the fertilizer must be placed to provide uniform spray coverage. Care should be taken to aim the spray onto the fertilizer only, avoiding the walls of the blender.

If the herbicide/fertilizer mixture is too wet, add a highly absorptive material, such as Agsorb F.G. or Celatom MP-79, or similar granular clay or diatomaceous earth materials, to obtain a dry, free-flowing mixture. Absorptive materials should be added only after the herbicide has been thoroughly blended into the fertilizer mixture. Best application results will be obtained by using a granule of six/thirtieth particle size or a size similar to that of the fertilizer material being used. Generally, less than 2% by weight of absorptive material will be needed. Avoid using more than 5% absorptive material by weight.

Calculate the amount of this product to be used by the following formula in the label.

Pneumatic (Compressed Air) Application
High humidity, high urea concentrations, low fertilizer use rates, and dusty fertilizer may cause fertilizer mixtures to build up or plug the distributor head, air tubes, or nozzle deflector plates. To minimize buildup, premix this product with Exxon Aromatic 200 at a rate of 2 to 2.5 pts./gal. of this product. Aromatic 200 is a noncombustible/nonflammable petroleum product. Aromatic 200 may be used in either a fertilizer blender or through direct injection systems. Drying agents should not be used when using Aromatic 200.

Notes: (1) Mixtures of this product and Aromatic 200 must be used on dry fertilizer only. Poor results or crop injury may result if these mixtures are used in water or liquid fertilizer solutions for spraying applications. (2) When impregnating this product in a blender before application, a drier mixture can be attained by substituting a drying agent for Aromatic 200. The use of Agsorb F.G. or another drying agent of six/thirtieth particle size is recommended. (3) Drying agents are not recommended for use with On-The-Go impregnation equipment.

Use Precautions: To avoid potential for explosion, (1) Do not impregnate this product on ammonium nitrate, potassium nitrate, or sodium nitrate, either alone or in blends with other fertilizers. (2) Do not combine this product with a single superphosphate (0-20-0) or treble superphosphate (0-46-0). (3) Do not use this product on straight limestone, since absorption will not be achieved. Fertilizer blends containing limestone can be impregnated.

Apply 200 to 700 lbs. of the herbicide/fertilizer mixture per acre. For best results, apply the mixture uniformly to the soil with properly calibrated equipment immediately after blending. Uniform application of the herbicide/fertilizer mixture is essential in order to prevent possible crop injury or injury to subsequent rotational crops. Non-uniform application may also result in unsatisfactory weed control. In areas where conventional tillage is practiced, a shallow incorporation of the mixture into the soil is recommended to obtain satisfactory weed control. On fine- or medium-textured soils in areas where soil incorporation is not planned, i.e., reduced tillage situations or in some conventional till situations, make applications approximately 30 days before planting to allow moisture to move the herbicide/ fertilizer mixture into the soil. On coarse-textured soils, make applications approximately 14 days prior to planting.

Use Precautions: (1) To help avoid rotational crop injury, make applications as early as possible, since this product impregnated onto dry bulk granular fertilizers can be expected to last longer in the soil than when this product is applied as a spray in water or fluid fertilizer. (2) To avoid potential crop injury, do not use the herbicide/fertilizer mixture on crops where planting beds are to be formed.

Application in Water or Fluid Fertilizers
This Product Alone: Fill the spray tank one-half to three-quarters full with water or fluid fertilizer, add the proper amount of this product, then add the rest of the water or fluid fertilizer. Provide sufficient agitation during mixing and application to maintain a uniform suspension.

Application Procedures
Ground Application: Use sprayers that provide accurate and uniform application. Screens in nozzles and in suction and in-line strainers should be no finer than 50-mesh. Use a pump with capacity to: (1) maintain 35 to 40 psi at the nozzles, and (2) provide sufficient agitation in tank to keep mixture in suspension. Unless otherwise specified, use a minimum of 10 gals. of spray mixture per acre. Rinse sprayer thoroughly with clean water immediately after use.

For band applications, calculate amount to be applied per acre (see table in the label for the formula).

Low Carrier Application (Broadcast Ground Application Only): Use sprayers, such as Ag-Chem RoGator, Hagie, John Deere Hi-Cycle, John Deere 4700 Sprayer, Melroe Spra-Coupe, Tyler Patriot, or Willmar Air Ride, that provide accurate and uniform application. Only water may be used as a carrier. Screens in suction and in-line strainers should be 50-mesh. Manufacturers may require that tip screens as fine as 100-mesh be used with some nozzles. Use a pump with capacity to: (1) maintain up to 35 to 40 psi at the nozzles, and (2) provide sufficient agitation in tank to keep mixture in suspension. Use a minimum of 5 gals. of spray mixture per acre. Maximum recommended sprayer speed is 15 mph. Maintain uniform travel speed while spraying. Rinse sprayer thoroughly with clean water immediately after each use.

Note: Low pressure nozzles are recommended to reduce drift and increase application accuracy. Care should be taken when using automatic ratecontrolling devices to spray the material within the rated working pressure and flow ranges of the nozzle selected. Nozzle screens should be used when recommended by the manufacturer. All nozzles should be placed on 20-inch centers, except flooding types which should be placed on 40-inch centers. When Flat Fan-type nozzles are used, angles of 80° or 110° are recommended. Always read and follow the manufacturer’s directions for optimum setup and performance of their nozzles or tips. Aerial Application (for This Product Alone): Use aerial application only where broadcast applications are specified. Apply a minimum of 1 gal. of water for each 1 gal. of this product applied per acre, but for rates below 1 gal./A, use in sufficient water to equal 2 gals./A of total spray. Avoid applications under conditions where uniform coverage cannot be obtained or where excessive spray drift may occur. In order to assure that spray will be controllable within the target area when used according to label directions, make applications at a maximum height of 10 ft., using low-drift nozzles at a maximum pressure of 40 psi, and restrict application to periods when wind speed does not exceed 10 mph. To assure that spray will not adversely affect adjacent sensitive non-target plants, apply this product by aircraft at a minimum upwind distance of 400 ft. from sensitive plants. Avoid application to humans or animals. Flagmen and loaders should avoid inhalation of spray mist and prolonged contact with skin.

Avoiding spray drift at the application site is the responsibility of the applicator. The interaction of many equipment and weather-related factors determine the potential for spray drift. The applicator and the grower are responsible for considering all these factors when making decisions. The following drift management requirements must be followed to avoid off-tar- get drift movement from aerial applications to agricultural field crops. These requirements do not apply to forestry applications, public health uses or to applications using dry formulations.

1) The distance of the outermost nozzles on the boom must not exceed three- fourths the length of the wingspan or rotor.
2) Nozzles must always point backward parallel with the air stream and never be pointed downward more than 45 degrees.

Where states have more stringent regulations, they must be observed.

The applicator must be familiar with and take into account the information covered in the Aerial Drift Reduction Advisory Information section below.

Early Preplant, Preplant Surface-Applied, Preplant Incorporated, or Preemergence
Weeds Controlled
Cocklebur; Giant Ragweed; Signalgrass (Brachiaria); Velvetleaf; Yellow nutsedge - Control of these weeds can be erratic, especially under dry weather conditions. Control escaped weeds with cultivation or application of an appropriate EPA registered postemergence herbicide. On fine textured soils, only partial control can be expected.

Weeds Partially Controlled - Control may be improved by following these suggested procedures:
1) Apply up to the maximum single application rate in Table 1 for your given soil texture and rate limitation based on your soil conservation practices.
2) Thoroughly till moist soil to destroy germinating and emerged weeds. If this product is to be applied preplant incorporated, this tillage may be used to incorporate this product if uniform 2-inch incorporation is achieved as recommended under Application Procedures.
3) Plant crop into moist soil immediately after tillage. If this product is to be used preemergence, apply at planting or immediately after planting.
4) If available, sprinkler irrigate within 2 days after application. Apply one-half to 1 inch of water. Use lower water volume (one-half inch) on coarsetextured soils and higher volume (1 inch) on fine-textured soils.
5) If irrigation is not possible and rain does not occur within 2 days after planting and application, weed control may be decreased. Under these conditions, a uniform, shallow cultivation is recommended as soon as weeds emerge.

Application and Seasonal Rate Limitations For Atrazine and Metolachlor
When tank mixing or sequentially applying Atrazine or products containing Atrazine to Corn, do not exceed an application rate of 2.0 pounds active ingredient of Atrazine for any single application, and the total pounds of Atrazine applied (lbs. a.i./A) must not exceed 2.5 pounds of the active ingredient Atrazine per acre per year.

Where there are state/local requirements regarding atrazine use (including lower maximum rates and/or greater setbacks) which are different from the label, the more restrictive/protective requirements must be followed.

Certain states may have established rate limitations within specific geographical areas. Consult your state lead pesticide control agency for additional information. It is a violation of this label to deviate from state use regulations.

For metolachlor, do not exceed a maximum seasonal application rate of 3.0 lbs ai metolachlor/acre/crop year from PAYBACK ATZ HERBICIDE, and all tank containing metolachlor or S-metolachlor.

Note: For purposes of calculating total atrazine active ingredient applied, this product contains 3.1 lbs. of the active ingredient Atrazine per gallon (0.775 lb. a.i./qt.). The amount of metalachlor active ingredient in this product is 2.4 lbs ai gallon (0.6 lb ai/quart).


- On Highly Erodible Land (as defined by the Natural Resource Conservation Service) If conservation tillage is practiced, leaving at least 30% of the soil covered with plant residues at planting, apply a maximum of 2.5 qts. of this product /A as a single broadcast spray. Refer to “B” in tables following. If the soil coverage with plant residue is less than 30% at planting, a maximum of 2.0 qts. of this product /A may be applied as a single preemergence application. Refer to “A” in tables following.
- On Land Not Highly Erodible Apply a maximum of 2.5 qts. of this product /A as a single broadcast spray. Refer to “B” in tables following.

If no atrazine was applied prior to Corn emergence, apply a maximum of 2.5 qts. of this product /A broadcast. If a postemergence treatment is required following an earlier herbicide application, the total atrazine applied may not exceed 2.5 lbs. of the active ingredient atrazine per acre per calendar year.

Limitations, Restrictions, and Exceptions

Application Timings and Procedures
Early Preplant: Use on medium- and fine-textured soils with minimum-tillage or no-tillage systems in CO, IA, IL, IN, KS, KY, MN, MO, MT, ND, NE, SD, TN, WI, and WY. Apply two-thirds the recommended rate of this product as a split treatment 30 to 45 days before planting and the remainder at planting, using the rates in Table 1. Applications made less than 30 days prior to planting may be as either a split or single treatment. Use the lower rate for light expected weed infestations and the higher rate for heavy expected weed infestations. On coarse-textured soils, apply 2.0 qts. of this product/A not more than 2 weeks prior to planting. The above procedure may be followed if Atrazine, Metolachlor, or Simazine is used in tank mixtures with this product. Tank mixtures with Balance may be applied up to 14 days before planting field Corn. Substitute a fluid fertilizer for some or all of the water carrier for burndown of existing annual weeds listed on this label up to the 2-leaf stage of development. The addition of crop oil concentrate to the spray mixture will enhance the burndown activity. If larger weeds are present at the time of treatment, apply in a tank-mixture combination with a contact herbicide (for example, Gramoxone Inteon or Glyphosate). Observe directions for use, use precautions, and restrictions on the label of the contact herbicide.

On medium and fine textured soils with minimum or no-tillage systems in DE, MD, MI, NY, OH, PA, VA, and WV, early preplant applications may be applied following the directions for use above. If the amount of rainfall results in unsatisfactory length of weed control following the earlier treatment, a postemergence application of an appropriately labeled broadleaf and/or grass weed herbicide may be used, i.e., Atrazine, Beacon®, Banvel, Basagran, bromoxynil (Brominal or Buctril), Exceed, Marksman, or 2,4-D. If the postemergence treatment includes the herbicide used early preplant, do not exceed the labeled rate for Corn on a given soil texture. Observe all directions for use, use precautions, and limitations on the label of the postemergent herbicide.

This product may be used according to the above directions to control Winter Wheat planted as a cover crop in IN, KY, and OH, in addition to providing residual weed control. The Wheat must be less than 6 inches tall (preferably still in a dormant or semi-dormant state coming out of Winter) at the time of application. Depending on rainfall, 10 to 20 days may be required to completely kill the Wheat. In the event that adequate rainfall does not occur, control of the Winter Wheat may be unsatisfactory and the application of a contact herbicide (i.e., Gramoxone Inteon, Touchdown or Glyphosate) may be required before planting the crop.

This product may be applied in the Fall, as a single application, for control of the Winter weeds listed on this label within the eco-fallow (no-till) production areas of NE and KS, where Wheat (or other small grain cereals) will be rotated to Corn. The application must be made to untilled Wheat stubble in the Fall following Wheat harvest, but before soil freeze-up. The ground must remain untilled through the establishment of the Corn crop. Fall application should not be applied to frozen ground, and this is restricted to IA, MN, ND, SD, WI and portions of NE and IL.

On medium and fine textured soils following final seedbed preparation in the Blacklands and Gulf Coast areas of TX, an early preplant application of this product at 1.6 to 1.9 qts./A may be made 30 to 45 days before planting. Grass suppression of 2 to 3 weeks after planting can be expected as a result of this application. Do not incorporate or disturb the soil before planting, and avoid moving the soil during the planting operation. A follow-up application of Metolachlor may be needed in fields with a history of heavy grass pressure. Apply after planting, but before Corn and grass weeds emerge.

(1) If a follow-up application of Metolachlor is needed, do not exceed a total of 1.6 lbs. of Metolachlor per acre, including the preplant application of this product on medium- or fine-textured soils. On fine-textured soils with more than 3% organic matter, do not exceed 1.9 lbs. of Metolachlor.

To determine the total pounds of Metolachlor per acre, use the following 2-step method:
A. Determine the pounds of Metolachlor applied as this product (1 qt. = 0.6 lb. of metolachlor); then,
B. If a tank mix partner containing metolachlor or S-metolachor will be used, add the pounds of active ingredient in tank mix partners to the pounds in Step A above. The sum shall not exceed 1.6 lbs metolachlor and S-metolachlor on medium or fine-textured soils containing up to 3% organic matter, or 1.9 lbs metolachlor and S-metolachlor on fine-textured soils containing more than 3% organic matter.

(2) To the extent possible, do not move treated soil out of the row or move untreated soil to the surface during planting, or weed control will be diminished.

(3) These limitations apply to PAYBACK-ATZ HERBICIDE plus all tank mix partners containing metolachlor or S-metolachlor.

- Use these rates for all other applications.
- Split applications can be made less than 30 days before planting

Use Precaution: Do not graze or feed forage from treated areas for 60 days following application.

Soil Texture - Do not use on peat or muck soils.

Restricted Entry Interval

24 hours

Exception: If the product is soil-incorporated, the Worker Protection Standard, under certain circumstances, allows workers to enter the treated area if there will be no contact with anything that has been treated.