Soil Science and Agricultural Chemistry 37 Agricultural chemistry 17 Soil Science 15 Algology 13 Agriculture 11 Phycology 9 Soil science and agricultural chemistry 9 Solid state chemistry 7 Agronomy 6 SCIENCE / Chemistry / Inorganic 6 SCIENCE / Chemistry / Physical & Theoretical 6 TECHNOLOGY & ENGINEERING / Material Science 6 Dissertations, Academic (Ph.D) 5 Thesis (Ph.D)-Physics 5 Department of Soil Science and Agricultural Chemistry 4 Engineering 3 Soil science 3 phycology 3 ALGAE 2 Agricultural entomology 2 Bacterial diseases 2 Digital libraries 2 Fishes 2 Foreign trade regulation 2 German fiction 2 Nanotechnology 2 Soil Science & Agricultural Chemistry 2 Thesis (Ph.D)-Chemistry 2 Thin films 2 (Oryza sativa L.) in the Southern Laterites 1