The use of chemicals to control economic pests has grown in this century both in the amount and the diversity of materials used (Headley and Lewis, 1967). About ten billion pounds of pesticides have been used in the United States since 1945. It is estimated that there are 340 million acres of cultivated lands in the Continental United States. Of this amount, approximately 119 million acres were sprayed with herbicides, 97 million acres were treated with insecticides and 25 million acres were treated with fungicides and other minor pesticides (Matsumura, 1972).
College and Department
Life Sciences; Plant and Wildlife Sciences
BYU ScholarsArchive Citation
Chang, Kuo-Mei, "Fate and metabolism of BAS 290-H in a model ecosystem" (1973). Theses and Dissertations. 7654.
Herbicides; Biodegradation; Food chains (Ecology)