Autor
A new look at energy sources Las Vegas, Nevada, Estados Unidos)
1
A spectrum of achievements in agronomy : women fellows of the tri-societies Beltsville, Maryland, Estados Unidos)
1
Aerospace science and agricultural development Detroit, Michigan, Estados Unidos)
1
Agricultural Ammonia Institute
1
Agricultural research in the northeastern United States : critical review and future perspectives University of Connecticut, Estados unidos)
1
Agronomic Industry Committee
1
Agronomic research for food Knoxville, Tennessee, Estados Unidos)
1
Agronomists and food : contributions and challenges Houston, Texas, Estados Unidos)
1
Agronomy & Health Detroit, Michigan, Estados Unidos)
1
Agronomy in a changing world and research needs for the seventies Tucson, Arizona, Estados Unidos)
1
Agronomy in the Americas Denver, Colorado, Estados Unidos)
1
Agronomy in today's society Los Angeles, California, Estados Unidos)
1
Agronomy, science in action Chicago, Illinois, Estados Unidos)
1
Agronomy-solving problems, serving people Fort Collins, Colorado, Estados Unidos)
1
Aiken, Robert,
1
Al-Amoodi, Lisa,
1
All-out food production : strategy and resource implications Chicago, Illinois, Estados Unidos)
1
Allen Black, Charles,
1
Allen, Michael,
1
American Potash Institute
1
American Society for Horticultural Science
1
American Society for Testing and Materials
2
American Society of Agricultural Engineers
1
American Society of Agronomy
American Society of Agronomy International Center for Research in Agroforestry. Divisions S-4
1
American Society of Agronomy. Division A-6
1
American Society of America, Southern Branch
1
Anderson, Bruce E.,
1
Anhydrous ammonia symposium Missouri, Saint Louis, Estados Unidos)
1
Annual Meetings of Soil Science Society of America, Crop Science Society of America, American Society of Agronomy Kansas City, Misuri; Columbus, Ohio)
1
Annual Meetings of the American Society of Agronomy and the Soil Science Society of America Indianapolis, Indiana)
1
Annual meeting Chicago, Illinois, Estados Unidos)
1
Annual meeting of the American Society of Agronomy Kansas, Missouri)
1
Annual meeting of the Soil Science Society of America Minneapolis, Minnesota)
1
Annual meetings Stillwater, Oklahoma, Estados Unidos)
1
Annual meetings of American Society of Agronomy and Soil Science Society of America Detroit, Michigan)
1
Baenziger, P. Stephen,
1
Bandel, D. M.,
1
Barbarick, Kenneth A.,
1
Barber, S. A.,
1
Barnes, D. K.
1
Barnes, Robert F.
1
Barrientos Velázquez, Ana L.,
1
Baumgardner, Marion F.,
1
Beaton, J. D.,
1
Beatty, Marvin,
1
Bertrand, Anson Rabb,
1
Beuselinck, P. R.,
1
Bishop, W. D.,
1
Black, C. A.,
1
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