Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. A Government expert addresses the people about the use of different dusting machines at the Deer Park. He says that only the government approved machines should be used for the purpose. Men on engine power machine, the machine not suitable for the purpose of dusting. A cart duster can be used for the purpose. The cart duster is a two mule, two wheel and three nozzle machine. Man on a cart duster. Another man stands nearby. He sprays poison with the cart duster in a large field. Men stand near a one mule machine. Trees in the background. Small fields dusted by the one mule machine. Hand guns can be used where the horse-drawn machines cannot be used. Men dust pesticide on a small field with hand held dusting guns.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. A Government expert addresses the people at the Deer Park. He says that the poisoning is not very costly. It increases the yield. When 10 to 15 percent of the squares are punctured, they should be poisoned. Man examines cotton in the field. Trees in the background.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. A government expert addresses the people at the Deer Park. He says that the poisoning should be done on the correct time to prevent weevils from flying to distant fields. Man poisons the field. Trees in the background. He says that the dust should be sprayed enough to cover the field thoroughly. It will not cost too much. Man sprays the poison.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. A government expert addresses the people at the Deer Park. He says that the poisoning should be done when the poison will spread easily on the plants and not when there is heavy wind to blow away the poison. The applications of poison should be repeated every four days. Man poisons the field. Trees in the background. Hand points calendar. Weevil on cotton square. Men sit on a field and closely observe the weevils.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. A government expert addresses the people at the Deer Park. He says that a portion of the field should always be left untreated. Men work in the field. A one mule cart on the field. A house. The yield from the poisoned and the untreated part compared. Men, women and a child pick the cotton bolls. Men weigh the cotton to compare the difference. The government expert says that the plant should be poisoned correctly. Trees in the background. The meeting ends. People get up from their seats.
Aerial views taken from a biplane at several altitudes over American battleships and other U.S. Navy ships off the west coast of the United States. Guy wires of aircraft wings clearly visible. Low altitude flyby (in order) of the Battleships USS Nevada (BB-36), USS Arizona (BB-39) and USS Idaho (BB-42), then the USS California (BB-44) and USS Pennsylvania (BB-38).