American Society of Agronomy
The American Society of Agronomy (ASA) is a scientific and professional society of agronomists and scientists of related disciplines, principally in the United States but with many non-U.S. members as well. == About == It was founded December 13, 1907 with the objective of 'the increase and dissemination of knowledge concerning soils, crops, and the conditions affecting them.
Source: Wikipedia — American Society of Agronomy (CC BY-SA 4.0)