In order to aid in diffusing among the people of the United States useful and practical information on subjects relating to agriculture, uses of solar energy with respect to agriculture, home economics, and rural energy, and to encourage the application of the same, there may be continued or inaugurated in connection with the college or colleges in each State, Territory, or possession, now receiving, or which may hereafter receive, the benefits of subchapters I and II of this chapter, agricultural extension work which shall be carried on in cooperation with the United States Department of Agriculture: Provided, That in any State, Territory, or possession in which two or more such colleges have been or hereafter may be established, the appropriations hereinafter made to such State, Territory, or possession shall be administered by such college or colleges as the legislature of such State, Territory, or possession may direct. For the purposes of this subchapter, the term “solar energy” means energy derived from sources (other than fossil fuels) and technologies included in the Federal Non-Nuclear  Energy Research and Development Act of 1974, as amended [42 U.S.C. 5901 et seq.].
7 U.S. Code § 341 - Cooperative extension work by colleges
 So in original. Probably should be “Nonnuclear”.
The Federal Nonnuclear Energy Research and Development Act of 1974, as amended, referred to in text, is Pub. L. 93–577, Dec. 31, 1974, 88 Stat. 1878, which is classified generally to chapter 74 (§ 5901 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under section 5901 of Title 42 and Tables.
1980—Pub. L. 96–294 inserted reference to rural energy.
1953—Act June 26, 1953, inserted “continued or” before “inaugurated” near beginning of section, inserted references to “territory, or possession” after “State,” wherever the latter term appeared, and struck out a second proviso which continued farm management work and farmers’ cooperative demonstration work as conducted May 8, 1914, pending inauguration and development of cooperative extension work under sections 341–343 and 344–348 of this title.
Act May 8, 1914, as amended, is also popularly known as the “Agricultural Extension Work Act”.