Biotechnology 1 173 Plant biotechnology 141 Plant Biotechnology 116 Genetic engineering 100 BIOTECHNOLOGY 93 Molecular biology 61 Microbial biotechnology 60 Agricultural biotechnology 52 Bioremediation 49 Enzymes 49 Microbiology 47 Agriculture 44 Industrial microbiology 43 Biochemistry 42 Nanotechnology 42 Genetics 41 Genetic Engineering 38 Plant breeding 37 Chemical engineering 36 Plant Biotechnology and Molecular Biology 36 Environmental biotechnology 34 Biotechnology (General), (Revised June 2002) 29 Pharmaceutical biotechnology 29 biotechnology 29 Dissertations, Academic (Ph.D) 27 Transgenic plants 26 Fermentation 23 Food 23 Medicinal plants 23 Biotechnology industries 22