Synthetic proponents base their recommendations on the theory that German scientist Justus von Liebig delivered to the British Association for the Advancement of Science, where he said, “Plants ...

German Chemist, Justus Von Liebig, ... Yara International is the world's largest producer of nitrogen-based fertilizers and continues to provide sustainable and environmentally friendly crop ...

How the innovation of 19th century chemist, Baron von Liebig, led to the first fertilizer, gravy, and mirrored Christmas baubles. ... Justus von Liebig (1803-1873), chemist.

Later in the 19th century, von Liebig’s last student, Oscar Loew, also studied hippuric acid. In 1879, Loew wrote about the source of the acid in herbivores’ urine. According to an account of the ...