Subchapter I. Findings, Purposes, and Definitions 7 U.S. Code §3101. Purposes of agricultural research, extension, and education 7 U.S. Code §3102. Additional purposes of agricultural research and extension 7 U.S. Code §3103. Definitions 7 U.S. Code §3104. Agriculture research; declaration of policy; duties of Secretary of Agriculture; use of existing facilities 7 U.S. Code §3105. Agricultural research; authorization of additional appropriations; administrative expenses; availability of special research fund