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Agronomy in a changing world and research needs for the seventies
Symposium Agronomy in a Changing World (1970 : Tucson, Ariz.)
The Politics Of Agronomics -- Land Labor And Machines -- Society's Needs For The Seventies -- Food Fiber And Shelter -- Keeping American Farmers Competitive -- U.S. Land And Water Resources -- Research Needs -- The Role Of The Agronomist In The Seventies -- Critique -- World Agronomy In The World Economy -- Front Matter
editors, C.A. Black, G.E. Van Riper, W.C. Burrows, R.F. Holland ; coordinating editor, M. Stelly ; managing editors, H. Hamilton, T. McCaffry.
"The two symposia were held at the meetings of the American Society of Agronomy, the Crop Science Society of America, and the Soil Science Society of America meeting in Tucson, Arizona, in August, 1970. Agronomy in a Changing World was organized by C.A. Black, President-Elect of the American Society of Agronomy. The title of this symposium was used as the theme of the meetings. Research Needs for the Seventies was organized by G.E. Van Riper on behalf of the Agronomic Industry Committee"--Foreword.
Symposium Research Needs for the Seventies (1970 : Tucson, Ariz.).
Madison, Wis. : American Society of Agronomy, 1971