Halm, Christopher (2020) 'Enquiries on Plaister of Paris': a material history of early agrochemical knowledge in the United States of America, 1785-1812. ANNALS OF SCIENCE, 77 (2). pp. 169-188. ISSN 0003-3790, 1464-505X
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Key figures in the founding years of the United States of America were part of the first American learned agricultural society, known as the Philadelphia Society for Promoting Agriculture (PSPA). Its members were georgic farmers who set out to describe, explore and explain agricultural processes by practical experiences, observations, and theories written in British books. Those theories, however, did not provide any reason for the widespread agricultural practice in Pennsylvania of using plaster as fertilizer, which was German in origin. Although imports were heavily tariffed and later even banned, plaster became, and remained, a top commodity in America. In order to keep agricultural businesses and investments afloat, several members of the PSPA began to scientifically justify the application of plaster fertilization. In so doing, they incorporated chemical theories and methods to both their agricultural practices and investigations. Thus, I argue, they acquired and developed an agrochemical knowledge that was mainly determined by a material history of plaster. Their knowledge was new, unique and more practicable in comparison to the British knowledge in this sector. Eventually, it was through the newly developed knowledge by PSPA members that contributed to the formation of agricultural chemistry as a science in its own respect.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; |
| Subjects: | 100 Philosophy & psychology > 100 Philosophy |
| Divisions: | Philosophy, Art History, History, and Humanities > Institut für Philosophie > Lehrstuhl für Wissenschaftsgeschichte (Prof. Dr. rer. nat. Christoph Meinel |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 29 Mar 2021 04:05 |
| Last Modified: | 29 Mar 2021 04:05 |
| URI: | https://pred.uni-regensburg.de/id/eprint/44774 |
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