Atrazine is one of the most widely used herbicides in the U.S., and is found in 94% of U.S drinking water tested by the USDA — more often than any other pesticide. An estimated 7 million people were exposed to atrazine in their drinking water between 1998 and 2003.
How much atrazine is used in the US?
Currently 70 million pounds of atrazine are used in the United States each year, contaminating ground, surface and drinking water.
How often can I apply atrazine?
How often can you apply atrazine? You should only apply atrazine twice a year. If you live in a warmer area, most experts recommend that you put the first application on in January, so the weeds do not have time to recover from winter.
How many pounds is atrazine per gallon?
4 pounds
Atrazine 4L herbicide contains 4 pounds active ingredient per gallon and 90DF contains 90 percent active ingredient by weight.
How much does atrazine cost an acre?
Apply a maximum of 1.6 pounds of atrazine a.i. per acre on fields where less than 30 percent of the soil is covered with plant residue at planting. Apply a maximum of 2.0 pounds of atrazine a.i. per acre to all soils that are not highly erodible.
How much atrazine is used per year?
Approximately 64 to 75 million pounds of atrazine are applied per year in the U.S., much of which is used in the “Corn Belt” region that includes the upper midwest surrounding Lake Michigan. Atrazine is generally applied to soil pre-planting or pre-emergence, but is sometimes also applied to the foliage post-emergence.
How fast does atrazine work?
How long it takes to see results from an application of Atrazine can vary somewhat, depending on what type of weeds you are targeting. Typically, Atrazine is a very slow-acting herbicide, and it can take up to 4 to 6 weeks after application to see desired results and death of the target weed.
How do you mix Atrazine 4L?
Atrazine 4L’s label recommends applying the product at a rate of 1.5 fl. ozs. per 1,000 square feet in a gallon of water or 4 pints per acre in 15 gallons of water. For example, if you have a 3,000 square foot area to be treated, you would need 4.5 ozs of Atrazine mixed with 3 gallons of water.
What is the maximum rate of Atrazine active ingredient that can be applied per acre per calendar year?
2.5 pounds
*Atrazine applications for corn are restricted to a maximum of 2.5 pounds active ingredient per acre (lb. ai/A) per calendar year.
What crops can Atrazine be used on?
What is atrazine? Atrazine is an herbicide widely used for control of broadleaf and grassy weeds. It is sprayed on row crops such as corn, sorghum and sugarcane, and in some areas is used on residential lawns. It has also been used on highway and railroad rights-of-way.
How does atrazine kill weeds?
Atrazine works to kill broadleaf and grassy weeds by absorbing through the weed’s roots in liquid form. It travels up to the actively growing leaves and tips and inhibits photosynthesis.
Will atrazine kill grass?
It doesn’t kill Bermuda grass, however. Atrazine stuns the grass by inhibiting photosynthesis, preventing its growth temporarily — for a couple of weeks, usually — giving your existing grass time to take back areas claimed by the Bermuda grass.
What weeds does atrazine kill?
Atrazine Uses. Atrazine kills emerged weeds by absorption of the chemical into the plants’ leaves and stems and absorption through its roots of chemical that seeps into the ground. In the soil, atrazine is an effective preemergence herbicide , preventing weeds from sprouting.
How long does it take for atrazine to work?
Atrazine is mainly absorbed through the roots of weeds and then transported to the actively growing tips and leaves. Some absorption through leaves does occur. Atrazine kills the weed by inhibiting photosynthesis. This takes between 14 and 21 days.
