The Invesco DB Agriculture Fund (DBA) invests in a diversified basket of agricultural natural resources, such as wheat, corn, and soybeans, and can be a useful diversifying agent or inflation hedge. Last week, rice reached a nine-year high of $500 a tonne in Vietnam and Thailand thanks to a deficit of containers. In recent years, commodity producers and futures traders realized that investors and traders must monitor diseases that infect not only human populations, but birds, bats, cattle, hogs, and many types of plants including other major crops.