Alexander Petzholdt
Alexander Petzholdt (full name: Alexander Georg Paul Petzholdt ; born January 29, 1810 in Dresden , † April 23, 1889 in Freiburg im Breisgau ) was a German agricultural scientist .
Life
Petzholdt studied medicine at the University of Leipzig and worked as a general practitioner in Dresden since 1838. At the same time he gave scientific lectures there at events of scientific societies. In those years he was particularly interested in agricultural chemistry . He was in close contact with Justus von Liebig and vehemently supported his doctrine of the mineral nutrition of plants.
From 1846 to 1872 Petzholdt worked as a professor of agriculture and agricultural technology at the University of Dorpat (today: Tartu, Estonia). The university, newly founded by Baltic Germans in 1802, was at that time the only German-speaking university in the Russian Empire . On behalf of the Russian government, Petzholdt undertook extensive research trips. His numerous books made him an important stimulus for improvements in Russian agriculture. From 1873 Petzhold lived in Freiburg / Breisgau.
Fonts (selection)
- Popular lectures on agricultural chemistry held in the Economic Society for the Kingdom of Saxony during the winter of 1843/44 . Leipzig 1844; 2nd revised edition under the title Agricultural chemistry in popular lectures . Leipzig 1846.
- Geologie , Verlag Carl B. Lorck, 1845 Leipzig, 2nd thoroughly revised and greatly increased edition.
- The newly invented patent fertilizer of Prof. Dr. Justus Liebig in Giessen. Translated from English and accompanied by explanatory additions . Leipzig and Dresden 1846; 2nd edition, ibid. 1847.
- The Caucasus, a natural history, as well as agricultural and forestry study (carried out in the years 1863 and 1864) . 2 volumes, Leipzig 1866 and 1867.
literature
- Herbert Pönicke : Georg Paul Alexander Petzholdt. A Central German naturalist and teacher in Russia (1810-1889) . In: Hamburg Central and East German Research . Volume 2, 1960, pp. 47-70 (with picture and bibliography).
Web links
- Heinrich Kaak: Petzholdt, Georg Paul Alexander . In: Institute for Saxon History and Folklore (Ed.): Saxon Biography .
| personal data | |
|---|---|
| SURNAME | Petzholdt, Alexander |
| ALTERNATIVE NAMES | Petzholdt, Alexander Georg Paul (full name) |
| BRIEF DESCRIPTION | German agricultural scientist |
| DATE OF BIRTH | January 29, 1810 |
| PLACE OF BIRTH | Dresden |
| DATE OF DEATH | April 23, 1889 |
| Place of death | Freiburg in Breisgau |