In 1924 a concrete fumigation chamber was built to fumigate infected imports. Ecuador growers requested the government to fumigate all containers. Cypress was used to fumigate the air during cremations. Flewett ordered his staff to fumigate the laboratory with formaldehyde. Southern pine nurseries fumigate the soil every four years and hardwood nurseries fumigate yearly. In an attempt to discourage disease tobacco was also used to fumigate buildings. Meanwhile she hires a ratcatcher to fumigate the house in order to catch the Borrowers. This is the main reason growers fumigate their fields in this region. Tar barrels were left burning in the streets in an effort to fumigate the air. He wants to fumigate the whole town.