Weevils fed toxic compounds and examined during a laboratory test in United States. Weevils stored for the tests in the laboratory. Man takes the container out of the store. Men test the poisonous compounds on the Weevils in a field. Glasses on a table contains poisonous compound.
Laboratory test of Weevils fed with toxic compounds in United States. Test glass containers with sand flooring, sprig of tender cotton plant moistened and poisoned. Chemists moisten the sprigs. They put poison on the sprigs. They examine the Weevils and keep a record of the Weevil. Dead Weevils picked and the poison is washed away. Man smokes cigar and picks the dead Weevils. A dead Weevil on a table.
Laboratory test of Weevils fed with toxic compounds, Weevils examined at Edgewood Arsenal in United States. Man smokes cigar and inspects the plants. Plant toxicity test to note the effect of poison on plant. Man examines a poisoned Weevil. He notes down the results. Test tubes on table. Man tests the compounds and Weevils in the test tubes. A cotton farm.
Pests destroy crops and other plants in United States. Close view of Brown Tail, Gypsy Moths, Japanese and the Mexican Bean Beetles.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. Proctor, a farmer reads newspaper with his wife. He reads news about the eradication of Boll Weevils. He shows the news to his wife. He visits the laboratory. He discusses the matter with Mr Owens who is a Government expert and helps the farmers. Samples of calcium arsenate are examined at the Department of Agriculture laboratories in Tallulah, Los Angeles. The samples are then transferred to the laboratory of Washington DC. Men test the sample. Test tubes on tables. The matter discussed in the board room. Chairman says that the material is harmful for the use of farmers. The bad material is seized by the Department of Agriculture.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. Proctor, a farmer discusses the eradication of Boll Weevils matter with Mr Owens, a Government expert who helps farmers. Men spray poison in a farm near a house. The poison is sprayed when the plants are moist.
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