Agriculture

FILE - This April 3, 1980 file photo shows Ron Leibman, from left, his wife Linda Lavin, playwright Neil Simon and Dinah Manoff in New York following the opening of the play "I Ought to be in Pictures." Leibman, who appeared in movies, theater and television in a career that spanned six decades and won a Tony for Tony Kushner's iconic play ”Angels in America," has died after an illness at age 82. Leibman's agent, Robert Attermann, said the actor died Friday, Dec. 6, 2019. (AP Photo/Ray Stubblebine, File)

An unmodified, open-pollinated American chestnut bur grows on a tree at the State University of New York's College of Environmental Science & Forestry Lafayette Road Experiment Station in Syracuse, N.Y., Monday, Sept. 30, 2019. The ESF American Chestnut Research & Restoration Project researchers have been able to add a gene to American chestnuts that give the trees resistance to a blight that decimated the trees in the 20th century. (AP Photo/Adrian Kraus)

This Oct. 15, 2019 photo shows corn fields in Lyons, S.D., which contain areas of water-logged soil preventing harvest. (Erin Bormett/The Argus Leader via AP)

FILE - In this Oct. 11, 2019, file photo, U.S. President Donald Trump, right, shakes hands with Chinese Vice Premier Liu He after being given a letter in the Oval Office of the White House in Washington. China's trade with the United States fell by double digits again in September amid a tariff war that threatens to tip the global economy into recession. (AP Photo/Andrew Harnik, File)

In this 2014 photo provided by Ryan Parker, two pigs consume discarded milk at Nights And Weekends Homestead in Newport, Maine. The state of Maine has recently clarified rules about giving food waste to pig farms. (Photo courtesy Ryan Parker)

In this Oct. 7, 2019 photo, Scott Allen, who runs Pettit Creek Farms in bone-dry Bartow County, Ga., poses for a photo. Allen says the small streams normally used to provide water for his camels, kangaroos, zebras and other animals have dried up so they are forced to rely on other water sources. Allen says the animals are fine, but the dust is relentless since there's been no significant rain during the past two months. (AP Photo/Jeff Martin) (AP Photo/Jeff Martin)

In this Tuesday, Oct. 1, 2019, photo, Aziz Rahman a village elder, who had contracted the farmers to harvest the pine nuts, speaks during an interview to the Associated Press in Jalalabad city east of Kabul, Afghanistan. Anger is mounting over the increasing numbers of civilians dying in misdirected US aerial strikes and heavy- handed tactics of CIA-trained Afghan force. Some Afghans calling for Americans to be tried in Afghan courts. (AP Photo/Rahmat Gul)

FILE - In this July 26, 2013, file photo, a motorist fills up with gasoline containing ethanol in Des Moines. The Trump administration says Friday, Oct. 4, 2019, it plans to implement new rules that will increase demand for ethanol, reversing a decline caused by exemptions given to oil refineries. (AP Photo/Charlie Riedel, File)

Wheels of parmesan cheese are on sale with spirits in a deli in Rome, Thursday, Oct. 3, 2019. The U.S. had prepared for Wednesday's ruling and already drawn up lists of the dozens of goods it would put tariffs on. They include EU cheeses, olives, and whiskey, as well as planes, helicopters and aircraft parts in the case _ though the decision is likely to require fine-tuning of that list if the Trump administration agrees to go for the tariffs. (AP Photo/Alessandra Tarantino)