The Dicamba Papers: Key Documents and Analysis

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Dozens of farmers around the United States are suing the former Monsanto Co., purchased in 2018 by Bayer AG, and conglomerate BASF in an effort to hold the companies accountable for millions of acres of crop damage the farmers claim is due to widespread illegal use of the weed killing chemical dicamba, use  promoted by the companies.

The first case to go to trial pitted Missouri’s Bader Farms against the companies and resulted in a $265 million verdict against the companies. The jury awarded $15 million in compensatory damages and $250 million in punitive damages.

The case was filed in the U.S. District Court for the Eastern District of Missouri, Southeastern Division, Civil Docket #1:16-cv-00299-SNLJ. The owners of Bader Farms alleged the companies conspired to create an “ecological disaster” that would induce farmers to buy dicamba-tolerant seeds. Key documents from that case can be found below.

The EPA’s Office of the Inspector General (OIG) plans to investigate the agency’s approvals of new dicamba herbicides to determine whether the EPA adhered to federal requirements and “scientifically sound principles” when it registered the new dicamba herbicides.

FEDERAL ACTION

Separately, on June 3, 2020. the U.S. Court of Appeals for the Ninth Circuit said the Environmental Protection Agency had violated the law in approving dicamba herbicides make by Bayer, BASF and Corteva Agrisciences and overturned the agency’s approval of the popular dicamba-based herbicides made by the three chemical giants. The ruling made it illegal for farmers to continue to use the product.

But the EPA flouted the court ruling, issuing a notice on June 8 that said growers could continue to use the companies’ dicamba herbicides until July 31, despite the fact that the court specifically said in its order that it wanted no delay in vacating those approvals. The court cited damage done by dicamba use in past summers to millions of acres of crops, orchards and vegetable plots across U.S. farm country.

On June 11, 2020, the petitioners in the case filed an emergency motion seeking to enforce the court order and to hold the EPA in contempt. Several farm associations have joined with Corteva, Bayer and BASF in asking the court not to immediately enforce the ban. Documents are found below.

BACKGROUND: Dicamba has been used by farmers since the 1960s but with limits that took into account the chemical’s propensity to drift and volatilize- moving far from where it was sprayed. When Monsanto’s popular glyphosate weed killing products, such as Roundup, started losing effectiveness due to widespread weed resistance, Monsanto decided to launch a dicamba cropping system similar to its popular Roundup Ready system, which paired glyphosate-tolerant seeds with glyphosate herbicides. Farmers buying the new genetically engineered dicamba-tolerant seeds could more easily treat stubborn weeds by spraying  entire fields with dicamba, even during warm growing months, without harming their crops. Monsanto announced a collaboration with BASF in 2011. The companies said their new dicamba herbicides would be less volatile and less prone to drift than old formulations of dicamba.

The Environmental Protection Agency approved the use of Monsanto’s dicamba herbicide “XtendiMax” in 2016. BASF developed its own dicamba herbicide that it calls Engenia. Both XtendiMax and Engenia were first sold in the United States in 2017.

Monsanto started selling its dicamba-tolerant seeds in 2016, and a key claim by the plaintiffs is that selling the seeds before regulatory approval of the new dicamba herbicides encouraged farmers to spray fields with old, highly volatile dicamba formulations. The Bader lawsuit claims: “The cause of such destruction to Plaintiff Bader Farms’ crops is Defendant Monsanto’s willful and negligent release of a defective crop system – namely its genetically modified Roundup Ready 2 Xtend soybeans and Bollgard II Xtend cotton seeds (“Xtend crops”) – without an accompanying, EPA-approved dicamba herbicide.”

Farmers claim that the companies knew and expected that the new seeds would spur such widespread use of dicamba that drift would damage the fields of farmers who did not buy the genetically engineered dicamba-tolerant seeds. The farmers allege this was part of a scheme to expand sales of the genetically engineered dicamba-tolerant seeds. Many allege the new dicamba formulations sold by the companies also drift and cause crop damage just as the old versions have done.

For more information about dicamba, please see our dicamba fact sheet.

Big Ag groups argue court cannot tell EPA when to ban dicamba

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The heaviest of Big Ag’s heavy hitters told a federal court it should not try to stop GMO cotton and soybean farmers from using illegal dicamba weed killers through the end of July, despite the court’s order earlier this month for an immediate ban.

Six national trade associations, all of which have long-standing financial ties to Monsanto and the other companies selling the dicamba products in question,  filed a brief on Wednesday with the U.S. Court of Appeals for the Ninth Circuit urging the court not to try to interfere with the Environmental Protection Agency’s (EPA) announcement that farmers could continue to use the dicamba products through July 31.

They also asked the court not to hold the EPA in contempt as has been requested by the groups that won the June 3 court order issuing the ban.

“America’s soybean and cotton growers would risk severe financial harm if prevented from using Dicamba Products this growing season,” states the brief filed by the American Farm Bureau Federation, American Soybean Association, National Cotton Council of America, National Association of Wheat Growers, National Corn Growers Association, and National Sorghum Producers.

Separately, CropLife America, an influential lobbyist for the agrichemical industry, filed a brief  stating it wanted to provide “Helpful Information to the Court.” CropLife stated in the filing that the court has no authority over how the EPA proceeds to cancel the use of pesticide products such as dicamba weed killers.

The moves are but the latest in a dramatic flurry of events that followed the Ninth Circuit ruling, which found that the EPA violated the law when it approved dicamba products developed by Monsanto – owned by Bayer AG, as well as products sold by BASF, and DuPont, owned by Corteva Inc.

The court ordered an immediate ban on use of each of the companies’ products, finding that the EPA “substantially understated the risks” those products pose to farmers growing crops other than genetically engineered cotton and soy.

The EPA appeared to flout the order, however, when it told the cotton and soy farmers they could continue to spray the herbicides in question through July 31.

The Center for Food Safety (CFS) and other groups that originally took the EPA to court over the matter went back to court last week, demanding that the 9th Circuit hold the EPA in contempt. The court is now considering that motion.

“EPA and the pesticide companies have tried to confuse the issue and try to intimidate the Court,” said George Kimbrell, CFS legal director and counsel for the petitioners. “The Court held the product uses unlawful and EPA’s manipulations cannot change that.”

The order banning the company’s dicamba products has triggered an uproar in farm country because many soybean and cotton farmers planted millions of acres of genetically altered dicamba-tolerant crops developed by Monsanto with the intent of treating weeds in those fields with the dicamba herbicides made by the three companies. The crops tolerate the dicamba while the weeds die.

The farm lobby groups said in their brief that 64 million acres were planted with the dicamba-tolerant seeds this season. They said if those farmers cannot spray over their fields with the dicamba products they will be “largely defenseless against weeds resistant to other herbicides, causing
potentially significant financial consequences from yield losses.”

When Monsanto, BASF and DuPont/Corteva rolled out their dicamba herbicides a few years ago they  claimed the products would not volatize and drift into neighboring fields as older versions of dicamba weed killing products were known to do. But those assurances proved false amid widespread complaints of dicamba drift damage.

More than one million acres of crops not genetically engineered to tolerate dicamba were reported damaged last year in 18 states, the federal court noted in its ruling.

“The EPA’s mission is to protect human health and the environment…” said National Family Farm Coalition board president Jim Goodman. “Their contempt for this mission could not be more clearly expressed than their flagrant disregard of the Ninth Circuit Court of Appeals’ ruling to stop over-the-top applications of dicamba immediately to prevent millions of acres of farmers’ crops from being destroyed.”

In February, a Missouri jury ordered Bayer and BASF to pay a peach farmer $15 million in compensatory damages and $250 million in punitive damages for dicamba damage to the farmer’s orchards. The jury concluded that  Monsanto and BASF conspired in actions they knew would lead to widespread crop damage because they expected it would increase their own profits

Panicked chemical giants seek leeway in court ban on their weed killers

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Citing an “emergency,” chemical giants BASF and DuPont have asked a federal court to allow them to intervene in a case in which the court earlier this month ordered their dicamba herbicides to be immediately banned along with a dicamba product made by Monsanto owner Bayer AG.

The action by the chemical companies follows a June 3 ruling by the U.S. Court of Appeals for the Ninth Circuit that said the Environmental Protection Agency (EPA) had violated the law when it approved the dicamba products developed by Monsanto/Bayer, BASF and DuPont, owned by Corteva Inc.

The court ordered an immediate ban on use of each of the company’s dicamba products, finding that the EPA “substantially understated the risks” of the dicamba herbicides and “failed entirely to acknowledge other risks.”

The EPA flouted that order, however, telling farmers they could continue to spray the herbicides in question through the end of July.

The consortium of farm and consumer groups that originally filed the case against the EPA rushed back to court last week, asking for an emergency order holding the EPA in contempt.  The court gave the EPA until the end of the day Tuesday, June 16, to respond.

Uproar in Farm Country

The order banning the companies’ dicamba products has triggered an uproar in farm country because many soybean and cotton farmers planted millions of acres of dicamba-tolerant crops developed by Monsanto with the intent of treating weeds in those fields with the dicamba herbicides made by the three companies.

The “dicamba crop system” provides for farmers to plant their fields with dicamba-tolerant crops, which they can then spray “over-the-top” with dicamba weed killer. The system has both enriched the companies selling the seeds and chemicals and and helped farmers growing the special dicamba-tolerant cotton and soy deal with stubborn weeds that are resistant to glyphosate-based Roundup products.

But for the large number of farmers who do not plant the genetically engineered dicamba-tolerant crops, widespread use of dicamba herbicides has meant damage and crop losses because dicamba tends to volatize and drift long distances where it can kill crops, trees and shrubs that are not genetically altered to withstand the chemical.

The companies claimed their new versions of dicamba would not volatize and drift as older versions of dicamba weed killing products were known to do. But those assurances proved false amid widespread complaints of dicamba drift damage. More than one million acres of crop damage was reported last year in 18 states, the federal court noted in its ruling.

Many farmers initially celebrated the court ruling and were relieved that their farms and orchards would be spared this summer from the dicamba damage they’ve experienced in prior summers. But the relief was short-lived when the EPA said it would not immediately enforce the court-ordered ban.

In a filing made Friday, BASF pleaded with the court not to enforce an immediate ban and told the court that it will need to close a manufacturing facility in Beaumont, Texas, that currently “operates 24 hours a day nearly continuously through the year” if it is not able to produce its dicamba herbicide brand called Engenia. BASF has spent $370 million in recent years improving the plant and employs 170 people there, the company said.

Noting “significant investments” in its product, BASF also told the court that there is enough of its product currently throughout its “customer channel” to treat 26.7 million acres of soybeans and cotton.  BASF has an additional $44 million worth of the Engenia dicamba product in its possession, enough to treat 6.6 million acres of soybeans and cotton, the company said.

DuPont/Corteva made a similar argument, telling the court in its filing that the ban “directly harms” the company “as well as the many farmers across this country that are in the midst of the growing season.”  It will damage the company’s “reputation” if its herbicide is banned, the company told the court.

Moreover, DuPont/Corteva expects to generate “significant revenues” from the sales of its dicamba herbicide, called FeXapan and will lose that money if the ban is enforced, the company said.

Monsanto was active in the case supporting the EPA approvals prior to the ruling, but both BASF and DuPont asserted wrongly that the court case applied only to Monsanto’s products and not to theirs. The court made it clear, however, that the EPA illegally approved the products made by all three companies.

Led by the Center for Food Safety,  the petition against the EPA was also brought by the National Family Farm Coalition, Center for Biological Diversity, and Pesticide Action Network North America.

In asking the court to find the EPA in contempt, the consortium warned of the crop damage to come if the dicamba products are not banned immediately.

“EPA cannot get away with allowing the spraying of 16 million more pounds of dicamba and resulting damage to millions of acres, as well as significant risks to hundreds of endangered species,” the consortium said in its filing. “Something else is at stake too: the rule of law. The Court must act to prevent injustice and uphold the integrity of the judicial process. And given the blatant
disregard EPA showed for the Court’s decision, Petitioners urge the Court to hold EPA in contempt.”

Dicamba Fact Sheet

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Dicamba (3,6-dichloro-2-methoxybenzoic acid) is a broad-spectrum herbicide first registered in 1967. The herbicide is used on agricultural crops, fallow land, pastures, turfgrass and rangeland. Dicamba is also registered for non-agricultural uses in residential areas and other sites, such as golf courses. At these types of sites, it is primarily used to control broadleaf weeds such as dandelions, chickweed, clover and ground ivy.

Dicamba can be found in liquids, dusts and granule products. There are more than 1,000 products sold in the United States that include dicamba, according to the National Pesticide Information Center.

Dicamba’s mode of action is as an auxin agonist: it produces uncontrollable growth that leads to plant death.

Environmental Concerns 

Older versions of dicamba were known to drift far from where they were applied, and typically were not used widely during warm growing months when they could kill off-target crops or trees.

The Environmental Protection Agency approved the registration of new dicamba formulations in 2016, however, allowing for a new use of – “over-the-top” applications on growing dicamba-tolerant cotton and soybean plants. Scientists warned the new uses would result in dicamba drift damage.

The new uses for dicamba came about because of the development of widespread weed resistance to glyphosate-based herbicides, including the popular Roundup brand, introduced by Monsanto in the 1970s. In the 1990s, Monsanto introduced glyphosate-tolerant crops, and encouraged famers to use its “Roundup Ready” cropping systems. Farmers could plant Monsanto’s genetically engineered glyphosate-tolerant soybeans, corn, cotton and other crops, and then spray glyphosate herbicides such as Roundup directly over the top of the growing crops without killing them. The system made weed management easier for farmers as they could spray the chemicals directly over their entire fields during the growing season, wiping out weeds that competed with the crops for moisture and soil nutrients.

The popularity of the Roundup Ready system led to a surge in weed resistance, however, leaving farmers with fields of hardy weeds that would no longer die when sprayed with glyphosate.

In 2011 Monsanto announced that glyphosate, had been “relied on too long by itself” and said it planned to collaborate with BASF and develop a cropping system of genetically engineered crops that would tolerate being sprayed with dicamba. It said it would introduce a new type of dicamba herbicide that would not drift far from fields where it was sprayed.

Since the introduction of the new system, complaints about dicamba drift damage have surged in several farm states, including hundreds of complaints from Illinois, Indiana, Iowa, Missouri and Arkansas.

In a report dated Nov. 1, 2017, the EPA said it had tallied 2,708 official dicamba-related crop injury investigations (as reported by state departments of agriculture). The agency said there were more than 3.6 million acres of soybeans impacted at that time. Other impacted crops were tomatoes, watermelon, cantaloupe, vineyards, pumpkins, vegetables, tobacco, residential gardens, trees and shrubs

In July 2017, the Missouri Department of Agriculture temporarily issued a “Stop Sale, Use or Removal Order,” on all dicamba products in Missouri.  The state lifted the order in September 2017.

These are some dicamba products:

On Oct. 31, 2018, the U.S. Environmental Protection Agency (EPA) announced an extension of Engenia, XtendiMax and FeXapan registrations through 2020 for “over-the-top” use in dicamba-tolerant cotton and soybean fields. EPA said it had enhanced the previous labels and put in place additional safeguards in an effort to increase the success and safe use of the product in the field.

The two-year registration is valid through Dec. 20, 2020. The EPA has stated the following provisions:

  • Only certified applicators may apply dicamba over-the-top (those working under the supervision of a certified applicator may no longer make applications)
  • Prohibit over-the-top application of dicamba on soybeans 45 days after planting or up until the R1 growth stage (first bloom), whichever comes first
  • Prohibit over-the-top application of dicamba on cotton 60 days after planting
  • For cotton, limit the number of over-the-top applications from four to two
  • For soybeans, the number of over-the-top applications remains at two
  • Applications will be allowed only from one hour after sunrise to two hours before sunset
  • In counties where endangered species may exist, the downwind buffer will remain at 110 feet and there will be a new 57-foot buffer around the other sides of the field (the 110-foot downwind buffer applies to all applications, not just in counties where endangered species may exist)
  • Enhanced tank clean-out instructions for the entire system
  • Enhanced label to improve applicator awareness on the impact of low pH on the potential volatility of dicamba
  • Label clean up and consistency to improve compliance and enforceability

U.S. Court of Appeals 9th Circuit Ruling 

On June 3, 2020. the U.S. Court of Appeals for the Ninth Circuit said the Environmental Protection Agency had violated the law in approving dicamba herbicides make by Bayer, BASF and Corteva Agrisciences. The court overturned the agency’s approval of the popular dicamba-based herbicides made by the three chemical giants. The ruling made it illegal for farmers to continue to use the product.

But the EPA flouted the court ruling, issuing a notice on June 8 that said growers could continue to use the companies’ dicamba herbicides until July 31, despite the fact that the court specifically said in its order that it wanted no delay in vacating those approvals. The court cited damage done by dicamba use in past summers to millions of acres of crops, orchards and vegetable plots across U.S. farm country.

On June 11, 2020, the petitioners in the case filed an emergency motion seeking to enforce the court order and to hold the EPA in contempt.

More details can be found here. 

Food Residues 

Just as glyphosate applications in farm fields have been found to leave residues of glyphosate on and in finished foods, such as oatmeal, breads, cereals, etc., dicamba residues are expected to leave residues in food. Farmers whose produce has been contaminated with dicamba residues via drift have expressed concerns that their products might be rejected or otherwise harmed commercially because of the residue issue.

The EPA has set tolerance levels for dicamba is several grains and for the meat of livestock that consume grains, but not for a variety of fruits and vegetables. A tolerance for dicamba in soybeans is set at 10 parts per million, for instance, in the United States, and a 2 parts per million for wheat grain. Tolerances can be seen here. 

The EPA has issued this statement regarding dicamba residues in food: “EPA performed the analysis required by the Federal Food, Drug and Cosmetic Act (FFDCA) and determined that residues on food are “safe” – meaning that there is a reasonable certainty of no harm to people, including all reasonably identifiable subpopulations, including infants and children, from dietary and all other non-occupational exposure to dicamba.”

Cancer and Hypothyroidism 

The EPA states that dicamba is not likely to be carcinogenic, but some studies have found an increased risk of cancer for users of dicamba.

See these studies regarding the human health effects of dicamba:

Dicamba use and cancer incidence in the agricultural health study: an updated analysis International Journal of Epidemiology (05.01.2020) “Among 49 922 applicators, 26 412 (52.9%) used dicamba. Compared with applicators reporting no dicamba use, those in the highest quartile of exposure had elevated risk of liver and intrahepatic bile duct cancer and chronic lymphocytic leukaemia and decreased risk of myeloid leukaemia.”

Pesticide Use and Incident Hypothyroidism in Pesticide Applicators in the Agricultural Health Study.  Environmental Health Perspectives (9.26.18)
“In this large prospective cohort of farmers that were occupationally exposed to pesticides, we found that ever-use of four organochlorine insecticides (aldrin, chlordane, heptachlor, and lindane), four organophosphate insecticides (coumaphos, diazinon, dichlorvos, and malathion), and three herbicides (dicamba, glyphosate, and 2,4-D) was associated with increased risk of hypothyroidism.”

Hypothyroidism and pesticide use among male private pesticide applicators in the agricultural health study. Journal of Occupational Environmental Medicine (10.1.14)
“The herbicides 2,4-D, 2,4,5-T, 2,4,5-TP, alachlor, dicamba, and petroleum oil were all associated with an increased odds of hypothyroidism”

A review of pesticide exposure and cancer incidence in the Agricultural Health Study cohort.  Environmental Heath Perspectives (8.1.10)
“We reviewed 28 studies; most of the 32 pesticides examined were not strongly associated with cancer incidence in pesticide applicators. Increased rate ratios (or odds ratios) and positive exposure–response patterns were reported for 12 pesticides currently registered in Canada and/or the United States (alachlor, aldicarb, carbaryl, chlorpyrifos, diazinon, dicamba, S-ethyl-N,N-dipropylthiocarbamate, imazethapyr, metolachlor, pendimethalin, permethrin, trifluralin).”

Cancer Incidence among Pesticide Applicators Exposed to Dicamba in the Agricultural Health Study. Environmental Health Perspectives (7.13.06)
“Exposure was not associated with overall cancer incidence nor were there strong associations with any specific type of cancer. When the reference group comprised low-exposed applicators, we observed a positive trend in risk between lifetime exposure days and lung cancer (p = 0.02), but none of the individual point estimates was significantly elevated. We also observed significant trends of increasing risk for colon cancer for both lifetime exposure days and intensity-weighted lifetime days, although these results are largely due to elevated risk at the highest exposure level.”

Non-Hodgkin’s Lymphoma and Specific Pesticide Exposures in Men: Cross-Canada Study of Pesticides and Health.  Cancer Epidemiology, Biomarkers and Prevention (11.01)
“Among individual compounds, in multivariate analyses, the risk of NHL was statistically significantly increased by exposure to the herbicides…dicamba (OR, 1.68; 95% CI, 1.00–2.81); ….In additional multivariate models, which included exposure to other major chemical classes or individual pesticides, personal antecedent cancer, a history of cancer among first-degree relatives, and exposure to mixtures containing dicamba (OR, 1.96; 95% CI, 1.40–2.75)…were significant independent predictors of an increased risk for NHL”

Litigation 

The dicamba drift damage concerns have prompted lawsuits from farmers in many U.S. states. Details on the litigation can be found here.

Dicamba: Farmers fear another season of crop damage; court ruling awaited

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With the turn of the calendar to June, farmers in the U.S. Midwest are wrapping up the planting of new soybean crops and tending to growing fields of young corn plants and vegetable plots. But many are also bracing to be hit by an invisible enemy that has wreaked havoc in farm country the last few summers – the chemical weed killer dicamba.

Jack Geiger, a certified organic farmer in Robinson, Kansas, describes the last few summer growing seasons as characterized by “chaos,” and said he partially lost certification for one field of organic crops due to contamination with dicamba sprayed from afar. Now he is pleading with neighbors who spray the weed killer on their fields to make sure the chemical stays off his property.

“There is dicamba everywhere,” Geiger said.

Geiger is only one of hundreds of farmers around the U.S. Midwest and several southern states who have reported crop damages and losses they claim were caused by drifting dicamba over the last few years.

Farmers have been using dicamba herbicides for more than 50 years but traditionally avoided applying the herbicide during hot summer months, and rarely if ever over large swaths of land due to the well-known propensity of the chemical to drift far from intended target areas.

That restraint was reversed after Monsanto launched dicamba-tolerant soybean and cotton seeds to encourage farmers to spray new formulations of dicamba “over the top” of these genetically engineered crops. Monsanto, which is now owned by Bayer AG, along with BASF and Corteva AgriScience all gained approval from the Environmental Protection Agency (EPA) to market new formulations of dicamba herbicides for spraying over the tops of growing dicamba-tolerant crops. The companies claimed their new versions of dicamba would not volatize and drift as older versions of dicamba weed killing products were known to do.

But those assurances have proven false amid widespread complaints of dicamba drift damage since the introduction of the new dicamba-tolerant crops and the new dicamba herbicides.

A consortium of farmer and consumer groups sued the EPA over its backing of the over-the-top use of the dicamba herbicides and is now awaiting a ruling by the ninth circuit court of appeals in San Francisco regarding their demand that the court overturn the EPA’s approval of the three company’s herbicides. Oral arguments were held in April.

The consumer and environmental groups allege the EPA broke the law by failing to analyze the “significant socioeconomic and agronomic costs to farmers” leading to “catastrophic” levels of crop damage.

The groups say the EPA seems more interested in protecting the business interests of Monsanto and the other companies than in protecting farmers.

Lawyers for Monsanto, representing the company as a unit of Bayer, said the plaintiffs have no credible argument. The company’s new dicamba herbicide, called XtendiMax, “has assisted growers in addressing a significant nationwide weed resistance problem, and soybean and cotton yields have hit record highs nationwide during this litigation,” according to a brief filed by the company’s lawyers on May 29.

“Petitioners’ request for an order immediately halting all sales and uses of the pesticide invites legal error and potentially disastrous real-world impacts,” the company said.

As they await the federal court’s decision, farmers are hoping that new restrictions put in place by some states will protect them. The Illinois Department of Agriculture has advised applicators that they can’t spray after June 20, that they should not spray dicamba products if the temperature is over 45 degrees Fahrenheit, and that they should only apply dicamba when the wind is blowing away from “sensitive” areas. Minnesota, Indiana, North Dakota and South Dakota are among other states putting in place cut-off dates for spraying dicamba.

Steve Smith, director of agriculture at Red Gold Inc, the world’s largest canned tomato processor, said even with the state restrictions he is “extremely concerned” about the upcoming season. More acres of being planting with the dicamba-tolerant soybeans developed by Monsanto so it is likely there will be more dicamba being sprayed, he said.

“We’ve worked hard to keep the message out there of not to get close to us, but someone, sometime, is going to make a mistake that could seriously cost us our business,”  he said.

Smith said he is hopeful the court will overturn the EPA approval and “stop this insanity of a system.”

Separately from the potential dicamba damage to crops, new research was recently published showing that farmers exposed to high levels of dicamba appear to have elevated risks of liver and other types of cancer.  Researchers said the new data showed that an association previously seen in the data between dicamba and lung and colon cancers was “no longer apparent” with the updated data.