Agriculture and the quality of our environment / editor. Nyle C. Brady Brady, Nyle C. American Association for the Advancement of Science. Section on Agriculture. American Society of Agronomy. Agriculture. Pollution. S405 .A47 630.973 BRA "A symposium presented at the 133rd meeting of the American Association for the Advancement of Science, December, 1966 ... organized by ... [its] Section on Agriculture ... [and] cosponsored by the American Society of Agronomy [and others]" Includes bibliographies. Washington : AAAS, 1967. 1967. 1967 Text xv, 460 p. ; eng AAAS publication 85