21. He went on to gain his habilitation in Soil sciences from the Humboldt in 1956. 22. He was also an expert on forest soil science . 23. As webmaster I get a fair number of inquiries from students asking about soil science . 24. Agronomy encompasses work in the areas of plant genetics, plant physiology, meteorology, and soil science . 25. There is a difference in the usage of this term in geology and soil science . 26. I'd explain to the vice president, who understands the dynamics of soil science and hydrology. 27. Every four years, the IUSS holds the World Congress of Soil Science in various countries. 28. In 1923, he was appointed professor of soil science , plant and seed physiology at Jena. 29. Geosciences include environmental geology, environmental soil science , volcanic phenomena and evolution of the Earth's crust. 30. I took my most recent response and adapted it to add it to soil science .