Julius Adolph Stöckhardt
Encyclopedia
Julius Adolph Stöckhardt (4 January 1809 – 1 June 1886) was a German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 agricultural chemist. He is mostly recognized for his work on fertilizers, fume damage of plants and his book Die Schule der Chemie (School of Chemistry), which was translated into 14 languages. His 500 lectures and over 500 publications helped to establish agricultural chemistry in Germany.

Life

Stöckhardt was born in Röhrsdorf
Klipphausen
Klipphausen is a municipality in the district of Meißen, in Saxony, Germany.In today's locality Röhrsdorf, Julius Adolph Stöckhardt was born, who helped to establish agricultural chemistry in Germany, initiated the establishment of agricultural experiment stations and was a pioneer of environmental...

 near Meißen on 4 January 1809 as son of a preacher. He was apprentice in a pharmacy from 1824 to 1828, studied at the University of Berlin, and obtained his Ph.D. from the University of Leipzig
University of Leipzig
The University of Leipzig , located in Leipzig in the Free State of Saxony, Germany, is one of the oldest universities in the world and the second-oldest university in Germany...

 in 1837.

He worked at a mineral water factory from 1835 till he received a position at the Königlichen Gewerbeschule in Chemnitz
Chemnitz
Chemnitz is the third-largest city of the Free State of Saxony, Germany. Chemnitz is an independent city which is not part of any county and seat of the government region Direktionsbezirk Chemnitz. Located in the northern foothills of the Ore Mountains, it is a part of the Saxon triangle...

 (Royal Saxon Industrial School) in 1838. In 1846 he became member of Dresden's scientific society ISIS, led by Ludwig Reichenbach
Ludwig Reichenbach
Heinrich Gottlieb Ludwig Reichenbach was a German botanist and ornithologist.He was the son of Johann Friedrich Jakob Reichenbach, the author in 1818 of the first Greek-German dictionary. He was the father of Heinrich Gustav Reichenbach, equally a botanist and an eminent orchid...

.
From 1847 to 1883, Stöckhardt worked at the Königliche Forstakademie (Royal Academy of Forestry) in Tharandt
Tharandt
Tharandt is a municipality in Saxony, Germany, situated on the Weißeritz, 9 miles southwest of Dresden, on the Dresden-Reichenbach railway.It has a Protestant Church, a hydropathic establishment, and the oldest academy of forestry in Germany, founded by Heinrich Cotta in 1811 together with its...

, where a building was named after him. In 1866, he was elected Fellow of the Leopoldina.

He died in Tharandt on 1 June 1886 three years after he retired from the Forstakademie. One of his sons, Carl Georg Stöckhardt, emigrated to the United States and taught exegesis
Exegesis
Exegesis is a critical explanation or interpretation of a text, especially a religious text. Traditionally the term was used primarily for exegesis of the Bible; however, in contemporary usage it has broadened to mean a critical explanation of any text, and the term "Biblical exegesis" is used...

 at the Concordia Seminary
Concordia Seminary
Concordia Seminary is located in Clayton, Missouri, an inner-ring suburb on the western border of St. Louis, Missouri. The institution's primary mission is to train pastors, deaconesses, missionaries, chaplains, and church leaders for the Lutheran Church–Missouri Synod . The current president of...

 of the Lutheran Church St. Louis.

Work

After the book of Justus von Liebig
Justus von Liebig
Justus von Liebig was a German chemist who made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry. As a professor, he devised the modern laboratory-oriented teaching method, and for such innovations, he is regarded as one of the...

, Organic Chemistry in its Application to Agriculture and Physiology was published in 1840, Stöckhardt recognized the importance of fertilization for farmers and invested most of his time in popularizing scientific knowledge. In 1843 he started to give chemical lectures for farmers. In 1850 he and Hugo Schober started to publish the Zeitschrift für deutsche Landwirthe (Journal for German farmers). One year later, Germany's first large agricultural experiment station
Agricultural experiment station
An agricultural experiment station is a research center that conducts scientific investigations to solve problems and suggest improvements in the food and agriculture industry...

 opened in Leipzig-Möckern
Leipzig
Leipzig Leipzig has always been a trade city, situated during the time of the Holy Roman Empire at the intersection of the Via Regia and Via Imperii, two important trade routes. At one time, Leipzig was one of the major European centres of learning and culture in fields such as music and publishing...

, initiated by Stöckhardt.

His research on fertilizers was influenced by the work of Liebig, but Stöckhardt included nitrogen compounds into his fertilizers. Liebig denied the need to include nitrogen because it was available as gas from air. This conflict escalated into an academic fight between him and the nitrogen advocates which also ended the friendship between Stöckhardt and Liebig. Eventually, nitrogen containing fertilizers became a great success.

His research in fume damage on plants especially by industrial exhaust was ground breaking. He fumigated plants with known amount of several chemical compounds, for example sulfur dioxide
Sulfur dioxide
Sulfur dioxide is the chemical compound with the formula . It is released by volcanoes and in various industrial processes. Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel...

, to detect the minimal concentration at which damages occurs. A Commission for the detection of the damage caused by smelters was introduced and the state parliament of Saxony also dealt with damage caused by smelters after his results were published.

Publications

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